7zdj

Complex I from Ovis aries at pH5.5, Open state

Method: ELECTRON MICROSCOPY

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Complex I-49kD

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A7M4DUF9_SHEEP
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain 4； PDBConstruct 1–463； UniProt 1–463

NADH-ubiquinone oxidoreductase chain 3

OrganismNot specified

UniProt O78753

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NU3M_SHEEP
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain A； PDBConstruct 1–115； UniProt 1–115

NADH-ubiquinone oxidoreductase chain 1

OrganismNot specified

UniProt O78747

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NU1M_SHEEP
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain H； PDBConstruct 1–318； UniProt 1–318

NADH-ubiquinone oxidoreductase chain 6

OrganismNot specified

UniProt O78757

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NU6M_SHEEP
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain J； PDBConstruct 1–175； UniProt 1–175

NADH-ubiquinone oxidoreductase chain 4L

OrganismNot specified

UniProt O78754

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NU4LM_SHEEP
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain K； PDBConstruct 1–98； UniProt 1–98

NADH-ubiquinone oxidoreductase chain 5

OrganismNot specified

UniProt O78756

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NU5M_SHEEP
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain L； PDBConstruct 1–606； UniProt 1–606

NADH-ubiquinone oxidoreductase chain 4

OrganismNot specified

UniProt O78755

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NU4M_SHEEP
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain M； PDBConstruct 1–459； UniProt 1–459

NADH-ubiquinone oxidoreductase chain 2

OrganismNot specified

UniProt O78748

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NU2M_SHEEP
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain N； PDBConstruct 1–347； UniProt 1–347

Complex I-B14.7

OrganismNot specified

UniProt A0A6P3E4K7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3E4K7_SHEEP
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain V； PDBConstruct 1–140； UniProt 2–141

Complex I-SGDH

OrganismNot specified

UniProt A0A6P3E6Y9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3E6Y9_SHEEP
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain W； PDBConstruct 1–139； UniProt 51–189

Acyl carrier protein

OrganismNot specified

UniProt W5NQT7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5NQT7_SHEEP
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain X； PDBConstruct 1–157； UniProt 1–157 Author chain j； PDBConstruct 1–157； UniProt 1–157

NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8

OrganismNot specified

UniProt A0A6P3EAP5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3EAP5_SHEEP
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain Y； PDBConstruct 1–171； UniProt 2–172

Complex I-PDSW

OrganismNot specified

UniProt A0A6P3EI17

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3EI17_SHEEP
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain Z； PDBConstruct 1–171； UniProt 4–174

NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial

OrganismNot specified

UniProt W5QBF5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5QBF5_SHEEP
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain k； PDBConstruct 1–320； UniProt 36–355

NADH dehydrogenase [ubiquinone] iron-sulfur protein 5

OrganismNot specified

UniProt A0A836D7R1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A836D7R1_SHEEP
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain l； PDBConstruct 1–105； UniProt 192–296

Complex I-B9

OrganismNot specified

UniProt W5NYM7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5NYM7_SHEEP
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain m； PDBConstruct 1–80； UniProt 5–84

Complex I-B12

OrganismNot specified

UniProt A0A6P3E8V0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3E8V0_SHEEP
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain n； PDBConstruct 1–79； UniProt 12–90

NADH dehydrogenase [ubiquinone] 1 subunit C2

OrganismNot specified

UniProt W5P9Q8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5P9Q8_SHEEP
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain o； PDBConstruct 1–120； UniProt 3–122

NADH:ubiquinone oxidoreductase subunit B4

OrganismNot specified

UniProt W5QF73

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5QF73_SHEEP
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain p； PDBConstruct 1–128； UniProt 3–130

NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13

OrganismNot specified

UniProt A0A6P3E975

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3E975_SHEEP
Isoform	—
PDB entities	20
Chains and sequence ranges	Author chain q； PDBConstruct 1–144； UniProt 1–144

Mitochondrial complex I, B17 subunit

OrganismNot specified

UniProt W5PZE3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5PZE3_SHEEP
Isoform	—
PDB entities	21
Chains and sequence ranges	Author chain r； PDBConstruct 1–128； UniProt 1–128

Complex I-B18

OrganismNot specified

UniProt W5P5V3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5P5V3_SHEEP
Isoform	—
PDB entities	22
Chains and sequence ranges	Author chain s； PDBConstruct 1–122； UniProt 2–123

Complex I-B22

OrganismNot specified

UniProt W5PGA3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5PGA3_SHEEP
Isoform	—
PDB entities	23
Chains and sequence ranges	Author chain t； PDBConstruct 1–177； UniProt 2–178

Complex I-AGGG

OrganismNot specified

UniProt W5PVD7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5PVD7_SHEEP
Isoform	—
PDB entities	24
Chains and sequence ranges	Author chain u； PDBConstruct 1–65； UniProt 41–105

NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial

OrganismNot specified

UniProt W5Q1B0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5Q1B0_SHEEP
Isoform	—
PDB entities	25
Chains and sequence ranges	Author chain v； PDBConstruct 1–155； UniProt 32–186

Complex I-ESSS

OrganismNot specified

UniProt A0A836CQA7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A836CQA7_SHEEP
Isoform	—
PDB entities	26
Chains and sequence ranges	Author chain w； PDBConstruct 1–101； UniProt 48–148

Complex I-KFYI

OrganismNot specified

UniProt A0A6P3EDV0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3EDV0_SHEEP
Isoform	—
PDB entities	27
Chains and sequence ranges	Author chain x； PDBConstruct 1–49； UniProt 28–76

Complex I-MNLL

OrganismNot specified

UniProt A0A7M4DUG1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A7M4DUG1_SHEEP
Isoform	—
PDB entities	28
Chains and sequence ranges	Author chain y； PDBConstruct 1–50； UniProt 9–58

Complex I-MWFE

OrganismNot specified

UniProt A0A7M4DUG2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A7M4DUG2_SHEEP
Isoform	—
PDB entities	29
Chains and sequence ranges	Author chain z； PDBConstruct 1–70； UniProt 1–70

NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial

OrganismNot specified

UniProt A0A835ZPN7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A835ZPN7_SHEEP
Isoform	—
PDB entities	30
Chains and sequence ranges	Author chain 1； PDBConstruct 1–430； UniProt 29–458

NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial

OrganismNot specified

UniProt W5NRY1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5NRY1_SHEEP
Isoform	—
PDB entities	31
Chains and sequence ranges	Author chain 2； PDBConstruct 1–213； UniProt 34–246

NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial

OrganismNot specified

UniProt W5QB34

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5QB34_SHEEP
Isoform	—
PDB entities	32
Chains and sequence ranges	Author chain 3； PDBConstruct 1–688； UniProt 29–716

Complex I-30kD

OrganismNot specified

UniProt A0A6P3EKX5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3EKX5_SHEEP
Isoform	—
PDB entities	33
Chains and sequence ranges	Author chain 5； PDBConstruct 1–208； UniProt 42–249

Complex I-20kD

OrganismNot specified

UniProt A0A6P7E4I4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P7E4I4_SHEEP
Isoform	—
PDB entities	34
Chains and sequence ranges	Author chain 6； PDBConstruct 1–156； UniProt 97–252

Complex I-23kD

OrganismNot specified

UniProt A0A6P3TFB2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3TFB2_SHEEP
Isoform	—
PDB entities	35
Chains and sequence ranges	Author chain 9； PDBConstruct 1–176； UniProt 42–217

Complex I-9kD

OrganismNot specified

UniProt A0A836AFZ8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A836AFZ8_SHEEP
Isoform	—
PDB entities	36
Chains and sequence ranges	Author chain a； PDBConstruct 1–44； UniProt 431–474

NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial

OrganismNot specified

UniProt A0A6P7EX23

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P7EX23_SHEEP
Isoform	—
PDB entities	37
Chains and sequence ranges	Author chain b； PDBConstruct 1–95； UniProt 29–123

NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial

OrganismNot specified

UniProt W5PE07

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5PE07_SHEEP
Isoform	—
PDB entities	38
Chains and sequence ranges	Author chain c； PDBConstruct 1–126； UniProt 45–170

NADH:ubiquinone oxidoreductase subunit A9

OrganismNot specified

UniProt W5PI58

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5PI58_SHEEP
Isoform	—
PDB entities	39
Chains and sequence ranges	Author chain d； PDBConstruct 1–380； UniProt 1–380

NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2

OrganismNot specified

UniProt A0A6P3E5Z9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3E5Z9_SHEEP
Isoform	—
PDB entities	40
Chains and sequence ranges	Author chain e； PDBConstruct 1–86； UniProt 14–99

Complex I subunit B13

OrganismNot specified

UniProt W5PNX7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5PNX7_SHEEP
Isoform	—
PDB entities	41
Chains and sequence ranges	Author chain f； PDBConstruct 1–113； UniProt 4–116

Complex I-B14

OrganismNot specified

UniProt W5QC06

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5QC06_SHEEP
Isoform	—
PDB entities	42
Chains and sequence ranges	Author chain g； PDBConstruct 1–114； UniProt 27–140

Mitochondrial complex I, B14.5a subunit

OrganismNot specified

UniProt W5P0I2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 × 1 （A0A6P3CXE3） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	W5P0I2_SHEEP
Isoform	—
PDB entities	43
Chains and sequence ranges	Author chain h； PDBConstruct 1–114； UniProt 1–114

NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12

OrganismNot specified

UniProt A0A6P3CXE3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 45	Complex I-49kD × 1 （A0A7M4DUF9） NADH-ubiquinone oxidoreductase chain 3 × 1 （O78753） NADH-ubiquinone oxidoreductase chain 1 × 1 （O78747） NADH-ubiquinone oxidoreductase chain 6 × 1 （O78757） NADH-ubiquinone oxidoreductase chain 4L × 1 （O78754） NADH-ubiquinone oxidoreductase chain 5 × 1 （O78756） NADH-ubiquinone oxidoreductase chain 4 × 1 （O78755） NADH-ubiquinone oxidoreductase chain 2 × 1 （O78748） Complex I-B14.7 × 1 （A0A6P3E4K7） Complex I-SGDH × 1 （A0A6P3E6Y9） Acyl carrier protein × 2 （W5NQT7） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8 × 1 （A0A6P3EAP5） Complex I-PDSW × 1 （A0A6P3EI17） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial × 1 （W5QBF5） NADH dehydrogenase [ubiquinone] iron-sulfur protein 5 × 1 （A0A836D7R1） Complex I-B9 × 1 （W5NYM7） Complex I-B12 × 1 （A0A6P3E8V0） NADH dehydrogenase [ubiquinone] 1 subunit C2 × 1 （W5P9Q8） NADH:ubiquinone oxidoreductase subunit B4 × 1 （W5QF73） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13 × 1 （A0A6P3E975） Mitochondrial complex I, B17 subunit × 1 （W5PZE3） Complex I-B18 × 1 （W5P5V3） Complex I-B22 × 1 （W5PGA3） Complex I-AGGG × 1 （W5PVD7） NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial × 1 （W5Q1B0） Complex I-ESSS × 1 （A0A836CQA7） Complex I-KFYI × 1 （A0A6P3EDV0） Complex I-MNLL × 1 （A0A7M4DUG1） Complex I-MWFE × 1 （A0A7M4DUG2） NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial × 1 （A0A835ZPN7） NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial × 1 （W5NRY1） NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial × 1 （W5QB34） Complex I-30kD × 1 （A0A6P3EKX5） Complex I-20kD × 1 （A0A6P7E4I4） Complex I-23kD × 1 （A0A6P3TFB2） Complex I-9kD × 1 （A0A836AFZ8） NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial × 1 （A0A6P7EX23） NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial × 1 （W5PE07） NADH:ubiquinone oxidoreductase subunit A9 × 1 （W5PI58） NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 × 1 （A0A6P3E5Z9） Complex I subunit B13 × 1 （W5PNX7） Complex I-B14 × 1 （W5QC06） Mitochondrial complex I, B14.5a subunit × 1 （W5P0I2） S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate × 2 MYRISTIC ACID × 1 IRON/SULFUR CLUSTER × 6 FLAVIN MONONUCLEOTIDE × 1 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 2 POTASSIUM ION × 1 ZINC ION × 1 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6P3CXE3_SHEEP
Isoform	—
PDB entities	44
Chains and sequence ranges	Author chain i； PDBConstruct 1–145； UniProt 1–145

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	7zdj
Deposition date deposition_date	2022-03-29
Structure title title	Complex I from Ovis aries at pH5.5, Open state
Keywords keywords	;Complex I, respiration, NADH, proton pump, mitochondria, iron-sulphur cluster, oxidoreductase, membrane protein, Quinone, PROTON TRANSPORT ;; PROTON TRANSPORT
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

7zdj__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

7zdj__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7zdj__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	81.82 Å
Rg (electron density)	81.97 Å
Total Rg	81.78 Å
Atom count	65812
Residues	8153
Excluded volume	1184100 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7zdj__assembly_1__model_1`	45-meric （45）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (53)

Entity 1 Entity 1 polymer

Description description	Complex I-49kD
Molecular weight formula_weight	52661.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	4
Atom count atom_count	65812

MAALRALRRLRGAAAQVLRPGAGARLPIQPSRGARQWQPDVEWAEQYGGAVMYPTKETAHWKPPPWNDVDPPKDTLVSNLTLNFGPQHPAAHGVLRLVMELSGEMVRKCDPHIGLLHRGTEKLIEYKTYLQALPYFDRLDYVSMMCNEQAYSLAVEKLLNIQPPPRAQWIRVLFGEITRLLNHIMAVTTHALDIGAMTPFFWMFEEREKMFEFYERVSGARMHAAYVRPGGVHQDLPLGLMDDIYEFSKNFSLRIDELEEMLTNNRIWRNRTVDIGVVTAEDALNYGFSGVMLRGSGIQWDLRKTQPYDVYDQVEFDVPIGSRGDCYDRYLCRVEEMRQSIRIISQCLNKMPPGEIKVDDAKVSPPKRAEMKTSMESLIHHFKLYTEGYQVPPGATYTAIEAPKGEFGVYLVSDGSSRPYRCKIKAPGFAHLAGLDKMSKGHMLADVVAIIGTQDIVFGEVDR

Entity 2 Entity 2 polymer

Description description	NADH-ubiquinone oxidoreductase chain 3
Molecular weight formula_weight	13106.5 kDa
EC 编号 ec_number	7.1.1.2
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

MNLMITLLTNFTLATLLVTIAFWLPQLNVYSEKTSPYECGFDPMGSARLPFSMKFFLVAITFLLFDLEIALLLPLPWASQTTNLNTMLTMALLLIFLLAVSLAYEWTQKGLEWTE

Entity 3 Entity 3 polymer

Description description	NADH-ubiquinone oxidoreductase chain 1
Molecular weight formula_weight	35884.9 kDa
EC 编号 ec_number	7.1.1.2
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MFMINVLTLIIPILLAVAFLTLVERKVLGYMQFRKGPNVVGPYGLLQPIADAIKLFIKEPLRPATSSISMFILAPILALTLALTMWIPLPMPYPLINMNLGVLFMLAMSSLAVYSILWSGWASNSKYALIGALRAVAQTISYEVTLAIILLSVLLMNGSFTLSTLIITQEQVWLIFPAWPLAMMWFISTLAETNRAPFDLTEGESELVSGFNVEYAAGPFALFFMAEYANIIMMNIFTTTLFLGAFHNPYMPELYTINFTIKSLLLSITFLWIRASYPRFRYDQLMHLLWKNFLPLTLALCMWHVSLPILLSSIPPQT

Entity 4 Entity 4 polymer

Description description	NADH-ubiquinone oxidoreductase chain 6
Molecular weight formula_weight	19126.6 kDa
EC 编号 ec_number	7.1.1.2
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MMTYIVFILSIIFVMGFVGFSSKPSPIYGGLGLIVSGGVGCGIVLNFGGSFLGLMVFLIYLGGMMVVFGYTTAMATEQYPEVWVSNKVVLGTFITGLLMEFLMVYYVLKDKEVEIVFKFNGMGDWVIYDTGDSGFFSEEAMGIAALYSYGTWLVIVTGWSLLIGVVVIMEITRGN

Entity 5 Entity 5 polymer

Description description	NADH-ubiquinone oxidoreductase chain 4L
Molecular weight formula_weight	10868.2 kDa
EC 编号 ec_number	7.1.1.2
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MSLVYMNIMMAFTVSLTGLLMYRSHLMSSLLCLEGMMLSLFILATLMILNSHFTLASMMPIILLVFAACEAALGLSLLVMVSNTYGTDYVQNLNLLQC

Entity 6 Entity 6 polymer

Description description	NADH-ubiquinone oxidoreductase chain 5
Molecular weight formula_weight	68438.9 kDa
EC 编号 ec_number	7.1.1.2
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MNLFSSLTLVTLILLTMPIAAINFNTHKFTNYPLYVKTTISCAFITSMIPTMMFIHTGQEMIISNWHWLTIQTLKLSLSFKMDFFSMMFVPVALFVTWSIMEFSMWYMHSDPNINQFFKYLLLFLITMLILVTANNLFQLFIGWEGVGIMSFLLIGWWYGRTDANTAALQAILYNRIGDIGFILAMAWFLINLNTWDLQQIFMLNPNDSNLPLMGLILAATGKSAQFGLHPWLPSAMEGPTPVSALLHSSTMVVAGIFLLIRFYPLTENNKFGQSIMLCLGAMTTLFTAMCALTQNDIKKIIAFSTSSQLGLMMVTIGINQPHLAFLHICTHAFFKAMLFMCSGSIIHSLNDEQDIRKMGGLFKAMPFTTTALIIGSLALTGMPFLTGFYSKDLIIESANTSYTNAWALLMTLVATSFTAIYSTRIIFFALLGQPRFPTLININENNPFLINSIKRLLIGSLFAGFIISNNIPPMTIPQMTMPHYLKMTALTVTILGFILALEISNTTHYLKFNYPSNTFKFSNLLGYYPTIMHRLTPYMNLTMSQKSASSLLDLIWLETILPKTISLAQMKMSTTITSQKGLIKLYFLSFLITILISTTLLNFHE

Entity 7 Entity 7 polymer

Description description	NADH-ubiquinone oxidoreductase chain 4
Molecular weight formula_weight	52086.7 kDa
EC 编号 ec_number	7.1.1.2
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MLKYIIPTMMLMPLTWLSKNSMIWINTTLHSLLISLTSLLLLNQFGDNSLNFSLTFFSDSLSTPLLILTMWLLPLMLMASQHHLSKENLARKKLFISMLILLQLFLIMTFTATELIFFYIMFEATLVPTLIIITRWGNQTERLNAGLYFLFYTLAGSLPLLVALIYIQNTMGSLNFLILQYWVQPMPNSWSNTFMWLACMMAFMVKMPLYGLHLWLPKAHVEAPIAGSMVLAAILLKLGGYGMMRITLLLNPITDFMAYPFIMLSLWGMIMTSSICLRQTDLKSLIAYSSVSHMALVIVAILIQTPWSYMGATALMIAHGLTSSMLFCLANSNYERVHSRTMILARGLQTLLPLMAAWWLLASLTNLALPPSINLIGELFVVMSTFSWSNITIILMGLNMVITALYSLYMLITTQRGKHTHHINNILPSFTRENALMSLHMLPLLLLSLNPKIILGPLY

Entity 8 Entity 8 polymer

Description description	NADH-ubiquinone oxidoreductase chain 2
Molecular weight formula_weight	39149.8 kDa
EC 编号 ec_number	7.1.1.2
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	N

MNPIILIIILMTVMLGTIIVMISTHWLLIWIGFEMNMLAIIPIMMKKHNPRATEASTKYFLTQSTASMLLMMAIIINLMFSGQWTVMKLFNPMASMLMTMALAMKLGMAPFHFWVPEVTQGIPLSSGLILLTWQKLAPMSVLYQILPSINLDLILTLSILSITIGGWGGLNQTQLRKIMAYSSIAHMGWMTAVLLYNPTMTLLNLIIYIIMTSTMFTLFMANSTTTTLSLSHTWNKAPIMTILVLITLLSMGGLPPLSGFMPKWMIIQEMTKNDSIILPTLMAITALLNLYFYMRLTYSTALTMFPSTNNMKMKWQFPTTKRMTLLPTMTVLSTMLLPLTPILSILE

Entity 9 Entity 9 polymer

Description description	Complex I-B14.7
Molecular weight formula_weight	14652.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	V

AKTLLHQYWDIPEGTECHRKTYAATSIGGASGLVVSAYSVALKTPTSFLEGVARTGRYTFTAAAIGAIFGLTSCISAQVREKPDDPLNYLIGGCAGGLTLGARTRSYGIGAAACAYMGLTAALVKMGQLEGWKVFAEPKV

Entity 10 Entity 10 polymer

Description description	Complex I-SGDH
Molecular weight formula_weight	16317.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	W

GKRLFIIKPSGFYDKRFLKLLRFYILLTGIPVVIGITLINVFIGEAELAEIPEGYVPEHWEYFKHPISRWIARTFFDAPEKNYERTMAILQIESEKAELRLKELEVRRLMRAKGDGPWFQYPTIDKALIDHSPKATPDN

Entity 11 Entity 11 polymer

Description description	Acyl carrier protein
Molecular weight formula_weight	17608.2 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	X,j

VEVKDFYTTNYQTAVSFSPLGPMPSMALMAVSLSGANVPKSGGRPEESRVPVLTQRKVPGRVTPLCRQYSDAPPLTLEGIKDRVLYVLKLYDKIDPEKLSVNSHFMKDLGLDSLDQVEIIMAMEDEFGFEIPDIDAEKLMCPQEIVDYIADKKDVYE

Entity 12 Entity 12 polymer

Description description	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8
Molecular weight formula_weight	20008.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Y

PGIVELPSLEDLKVQEVKVSSSVLKAAAHHYGAQCDKPNKEFMLCRWEEKDPRRCLEEGKLVNQCALEFFRQIKRHCAEPFTEYWTCIDYSGLQLFRRCRKEQAQFDKCVLDKLGWVRPDLGELSKVTKVKTDRPLPENPYHSRARPEPNPEVEGDLKPARHGSRLFFWTM

Entity 13 Entity 13 polymer

Description description	Complex I-PDSW
Molecular weight formula_weight	20526.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Z

SWDKDVYPEPPRRTPAPSPQTSLPNPITYLTKAFDLLVDRPVTLVREFIERQHAKNKYYYYHREFRRVPDITECHEKDVLCMFEAEMQWKRDYKVDQEIVNIIQERLKACQQREGESHRQNCAKELQQFTQVVKAYQDRYHDLGAHYSARKCLAKQKQRMLAERKATKEAA

Entity 14 Entity 14 polymer

Description description	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial
Molecular weight formula_weight	36883.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	k

LQYGPLAYILGEKTTKKMTENSKLITVDGNICSGKSKLAKEVAEKLGLKHFPEAGIHYADSTTGDGKPLPVRFSGNCSLEKFYDDPKSNDGNSYRLQAWLYASRLLQYADALEHLLSTGQGVVLERSIYSDFVFLEAMYRQGFIRKQCVDHYNQVKKVTVCEYLPPHVVIYVDVPVSEVQSRIQKKGNPHEMKITSAYLQDIENVYKGTFLPEMSEKCEVLQYSAWEAEDAEKVVEDIQYLKYDKGPWLDQDDRKLHNLRMLVQDKLEVLNYTSIPVFLPEVTIGAHQSDRVFQEFTELPGRKYRAGYNEDVGDKWIWLK

Entity 15 Entity 15 polymer

Description description	NADH dehydrogenase [ubiquinone] iron-sulfur protein 5
Molecular weight formula_weight	12474.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	l

PFFDVQKKLGVDLDHWMTIQSAEQPHRIPARCHAFEKEWIECAHGIGSIRAEKECKIEFEDFRECLLRQKTMKRLNAIKRQRDKLIKEGKYTPPPHHSGQEDLRP

Entity 16 Entity 16 polymer

Description description	Complex I-B9
Molecular weight formula_weight	8869.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	m

VAAFLKNVWAKEPVLVASFAIAGLAVILPTLSPYTKYSLMINRATPYNYPVPLRDDGNMPDVPSHPQDPQGPSLEWLKRL

Entity 17 Entity 17 polymer

Description description	Complex I-B12
Molecular weight formula_weight	8958.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	n

SKMELPDYKQWKIEGTPLETVQEKLAARGLRDPWGRNEAWRYMGGFANNVSFVGALLKGFKWGFAAFVVAVGAEYYLES

Entity 18 Entity 18 polymer

Description description	NADH dehydrogenase [ubiquinone] 1 subunit C2
Molecular weight formula_weight	14231.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	o

MMTGRQARAPLQFLPDEARSLPPPKLTDPRLAYIGFLGYCSGLIDNAIRRRPVLSAGLHRQFLYITSFVFVGYYLLKRQDYMYAVRDHDMFSYIKSHPEDFPEKDKKTYREVFEEFHPVR

Entity 19 Entity 19 polymer

Description description	NADH:ubiquinone oxidoreductase subunit B4
Molecular weight formula_weight	14976.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	p

SFPKYEPSRLASLPTTLDPAEYDISSETRKAQAERLAIRSRLKREYQLQYNDPSRRGVVEDPALIRWTCARSANVYPNFRPNTKTSLLGALFGIGPLIFWYYVFKTDRDRKEKLIQEGKLDRTFNISY

Entity 20 Entity 20 polymer

Description description	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 13
Molecular weight formula_weight	16766.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	q

MAASKVKQDMPPVGGYGPIDYKRNLPRRGLSGYSMFAVGIGALLFGYWSMMRWNRERRRLQIEDFEARIALMPLLQAEKDRRVLQMLRENLEEEATIMKDVPGWKVGESVFHTTRWVTPMMGELYGLRTGEEILSSTYGFIWYT

Entity 21 Entity 21 polymer

Description description	Mitochondrial complex I, B17 subunit
Molecular weight formula_weight	15565.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	r

MSGYTPDEKLRLQQLRELRRRWLKDQELSPREPVLPPRRVSPVERFWNKFLQDGALWKNVIYKTYRHSIFAFTHVLIPVWIIHYYLKYHVTTKPYTIVEKKPRIFPGDTILETGEVIPPMKEFPDQHH

Entity 22 Entity 22 polymer

Description description	Complex I-B18
Molecular weight formula_weight	14963.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	s

GAHLARRYLGDASVEPEPLRMPTFPPDYGFPERKEREMVATQQEMNDAQLVLQQRDYCAHYLIRFLKCKRDSFPNFLACKHEQHDWDYCEHLDYVKRMKEFERERRLLQRKKRREQREADMA

Entity 23 Entity 23 polymer

Description description	Complex I-B22
Molecular weight formula_weight	21517.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	t

AFLPSAAYLTHQQKVLQLYKRALRHLESRCVHRDKYRYFACLLRARFDEHKNEKDMVKATQLLREAEKEFWHGQHPQPYIFPESPGGTSYERYECYKVPEWCLDDWHPSEKAMYPDYFAKREQWKKLRRESWEREVKQLQEETPVGGPRTEALPPARKQGDLPPLWWHIVTRPRERP

Entity 24 Entity 24 polymer

Description description	Complex I-AGGG
Molecular weight formula_weight	7898.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	u

AHIEPRYRQFPQLTRSQVIQAEFFSATMWFWILWRFWHDSDAVLGHFPYPDPSQWTDEELGIPPD

Entity 25 Entity 25 polymer

Description description	NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial
Molecular weight formula_weight	18521.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	v

ITKDMLPGPYPKTPEERAAAAKKYNMRVEDYEPYPDDGMGYGDYPKLPDRSQQERDPWYDWDHPDLRLNWGEPMHWDLDMYIRNRVDTSPTPVNWNLMCKHLFGFVAFMLFMFWVGETYPTYQPVGPKQYPYNNLYLERGGDPNKEPEPVVHYEI

Entity 26 Entity 26 polymer

Description description	Complex I-ESSS
Molecular weight formula_weight	11998.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	w

TLRWQEDPEPEDENLYEKNPDSHGYDKDPAVDVWNMRVVFFFGFSIVLVLGSTFVAYLPDYRMQEWARREAERLVKYREAHGLPLMESNCFDPSKIQLPED

Entity 27 Entity 27 polymer

Description description	Complex I-KFYI
Molecular weight formula_weight	5808.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	x

KFYIQEPPHGSPNWLKVGLTLGTSAFLWIYLIKQHNEDVLEYKRRNGLE

Entity 28 Entity 28 polymer

Description description	Complex I-MNLL
Molecular weight formula_weight	6146.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	y

RDHWIHVLVPVGFVFGYYLDRKNDEKLAAFRNKSLLYKRELKPQEEVTWK

Entity 29 Entity 29 polymer

Description description	Complex I-MWFE
Molecular weight formula_weight	8211.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	z

MWFEVLPGIAVMGVCLFIPGMATARIHRFSNGGREKRVAHYSYQWYLMERDRRVSGVNRYYVSKGLENID

Entity 30 Entity 30 polymer

Description description	NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial
Molecular weight formula_weight	47186.7 kDa
EC 编号 ec_number	7.1.1.2
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	1

KTSFGSLKDEDRIFTNLYGRHDWRLKGAQSRGDWYKTKEILLKGPDWILGEVKTSGLRGRGGAGFPTGLKWSFMNKPSDGRPKYLVVNADEGEPGTCKDREIIRHDPHKLVEGCLVGGRAMGARAAYIYIRGEFYNEASNLQVAIREAYEAGLIGKNACGSGYDFDVFVVRGAGAYICGEETALIESIEGKQGKPRLKPPFPADVGVFGCPTTVANVETVAVSPTICRRGGAWFASFGRERNSGTKLFNISGHVNNPCTVEEEMSVPLKELIEKHAGGVTGGWDNLLAVIPGGSSTPLIPKSVCETVLMDFDALIQAQTGLGTAAVIVMDRSTDIVKAIARLIEFYKHESCGQCTPCREGVDWMNKVMARFVRGDARPAEIDSLWEISKQIEGHTICALGDGAAWPVQGLIRHFRPELEERMQRFAQQHQ

Entity 31 Entity 31 polymer

Description description	NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial
Molecular weight formula_weight	23598.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	2

ALFVHRDTPKNNPETPFDFTPENYKRIEAIVKNYPEGHKAAAVLPVLDLAQRQNGWLPISAMNKVAEILQVPPMRVYEVATFYTMYNRKPVGKYHIQVCTTTPCMLRNSDSILEAIQKKLGIKVGETTPDKLFTLIEVECLGACVNAPMVQINDNYYEDLTPKDIEEIIDELKAGKIPKPGPRSGRFSCEPAGGLTSLTEPPKGPGFGVQAGL

Entity 32 Entity 32 polymer

Description description	NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial
Molecular weight formula_weight	75520.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3

SNLIEVFVDGQSVMVEPGTTVLQACEKVGMQIPRFCYHERLSVAGNCRMCLVEIEKAPKVVAACAMPVMKGWNILTNSEKTKKAREGVMEFLLANHPLDCPICDQGGECDLQDQSMMFGSDRSRFLEGKRAVEDKNIGPLVKTIMTRCIQCTRCIRFASEIAGVDDLGTTGRGNDMQVGTYIEKMFMSELSGNIIDICPVGALTSKPYAFTARPWETRKTESIDVMDAVGSNIVVSTRTGEVMRILPRMHEDINEEWISDKTRFAYDGLKRQRLTEPMVRNEKGLLTHTTWEDALSRVAGMLQSCQGNDVAAIAGGLVDAEALIALKDLLNRVDSDTLCTEEVFPTAGAGTDLRSNYLLNTTIAGVEEADVVLLVGTNPRFEAPLFNARIRKSWLHNDLKVALIGSPVDLTYRYDHLGDSPKILQDIASGSHPFSQVLQEAKKPMVVLGSSALQRNDGAAILAAVSNIAQKIRTSSGVTGDWKVMNILHRIASQVAALDLGYKPGVEAIRKNPPKMLFLLGADGGCVTRQDLPKDCFIVYQGHHGDVGAPIADVILPGAAYTEKSATYVNTEGRAQQTKVAVMPPGLAREDWKIIRALSEIAGMTLPYDTLDQVRNRLEEVSPNLVRYDDVEGANYFQQASELSKLVNQQLLADPLVPPQLTIKDFYMTDSISRASQTMAKCVKAVTE

Entity 33 Entity 33 polymer

Description description	Complex I-30kD
Molecular weight formula_weight	24381.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	5

TRPTVRPRNDVAHKQLSAFGEYVAEILPKYVQQVQVSCFSELEICIHPDGVIPVLTFLRDHSNAQFKSLADLTAVDIPTRQNRFEIVYNLLSLRFNSRIRVKTYTDELTPVESSVSVYKAANWYEREIWDMFGVFFANHPDLRRILTDYGFEGHPFRKDFPLSGYVELRYDDEVKRVVAEPVELAQEFRKFDLNSPWEAFPAYRQPPE

Entity 34 Entity 34 polymer

Description description	Complex I-20kD
Molecular weight formula_weight	17861.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	6

SRGEYVVAKLDDLINWARRSSLWPMTFGLACCAVEMMHMAAPRYDMDRFGVVFRASPRQSDVMIVAGTLTNKMAPALRKVYDQMPEPRYVVSMGSCANGGGYYHYSYSVVRGCDRIVPVDIYVPGCPPTAEALLYGILQLQKKIKREKRLRIWYRR

Entity 35 Entity 35 polymer

Description description	Complex I-23kD
Molecular weight formula_weight	20219.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	9

TYKYVNLREPSMDMKSVTDRAAQTLLWTELIRGLGMTLSYLFREPATINYPFEKGPLSPRFRGEHALRRYPSGEERCIACKLCEAVCPAQAITIEAEPRADGSRRTTRYDIDMTKCIYCGFCQEACPVDAIVEGPNFEFSTETHEELLYNKEKLLNNGDKWEAEIAANIQADYLYR

Entity 36 Entity 36 polymer

Description description	Complex I-9kD
Molecular weight formula_weight	5263.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	a

PFDNTTYKNLQHHDYSTYTFLDLNLDLSKFRMPQPSSGRESPRH

Entity 37 Entity 37 polymer

Description description	NADH dehydrogenase [ubiquinone] iron-sulfur protein 6, mitochondrial
Molecular weight formula_weight	10513.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	b

GVRTSPTGEKVTHTGQVYDDEDYRRVRFVGRQKEVNENFAIDLIAEQPVSQVGSRVISCDGGGGALGHPRVYINLDKETKTGTCGYCGLQFRQQH

Entity 38 Entity 38 polymer

Description description	NADH dehydrogenase [ubiquinone] iron-sulfur protein 4, mitochondrial
Molecular weight formula_weight	14559.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	c

TQLITVDEKLDITTLTGVPEEHIKTRKARIFVPARNNMQSGVNNTKKWKMEFDTRERWENPLMGWASTADPLSNLVLTFSTKEDAIAFAEKNGWSYDVEERKVPKPKSKSYGANFSWNKRTRVSTK

Entity 39 Entity 39 polymer

Description description	NADH:ubiquinone oxidoreductase subunit A9
Molecular weight formula_weight	43025.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	d

MAAAVHLRVVRVLPMSRSSVPALAASVFHSPPQRQLHHAVIPHGKGGRSSVSGIVATVFGATGFLGRYLVNHLGRMGSQVIVPYRCEPYDTMHLRPMGDLGQIIFMDWNGRDKDSIRRAVEHSNVVINLVGREWETKNFDFEDVFVKIPQAIAQVSKEAGVEKFIHISHLNADIKSSSKYLRNKAVGEKEVRETFPEATIIKPADIFGREDRFLNYFANIRWFGGVPLISLGKKTVKQPVYIVDVTKGIINAIKDPDARGKTFAFVGPNRYLLFDLVQYVFAVAHRPFLPYPMPHFAYRWIGRLFEISPFEPWTTRDKVERIHTTDRTLPHLPGLEDLGVQATPLELKAIEVLRRHRTYRWLSSEIEDVQPAKTVPASGP

Entity 40 Entity 40 polymer

Description description	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2
Molecular weight formula_weight	9841.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	e

LGLREIRIHLCQRSPGSQGVRDFIEKRYVELKKANPDLPILIRECSDVQPKLWARYAFGQEKNVSLNNFSADQVTRALENVLSSKA

Entity 41 Entity 41 polymer

Description description	Complex I subunit B13
Molecular weight formula_weight	13028.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	f

LLKKTTGLVGLAVCETPHERLKILYTKILDVLGHIPKNAAYRKYTEQITNEKLSIVKAEPDVKKLEEQLQGGQIEEVILQAENELSLARKMIQWKPWEPLVEEPPASQWKWPI

Entity 42 Entity 42 polymer

Description description	Complex I-B14
Molecular weight formula_weight	13768.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	g

TSVKPIFSRDMNEAKRRVRELYRAWYREVPNTVHLFQLDISVKQGRDKVREMFKKNAHVTDPRVVDLLVIKGKMELEETINVWKQRTHVMRFFHETEAPRPKDFLSKFYVGHDP

Entity 43 Entity 43 polymer

Description description	Mitochondrial complex I, B14.5a subunit
Molecular weight formula_weight	12701.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	h

KMASATRLIQGLRNWASGRDLQAKLQLRYQEISKRTQPPPKLPVGPSHRLSNNYYCARDGRREAMPPSIVMSSQKVLVAGKPAESSAVAASEKKAVSPAPPIKRWELSQDEPYL

Entity 44 Entity 44 polymer

Description description	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12
Molecular weight formula_weight	17115.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	i

MELLQVLKRGLQQVSGHGGLRGYLRVLFRANDVRVGTLVGEDKYGNKYYEDNKQFFGRHRWVIYTTEMNGKNTFWDVDGSMVPPEWHRWLHCMTDDPPTVKPPTARKFIWTNHKFNLSGTPQQYVPYSTTRKKIQEWVPPSTPYK

Entity 45 Entity 45 non-polymer

Description description	S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioate
Molecular weight formula_weight	568.7 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 46 Entity 46 non-polymer

Description description	MYRISTIC ACID
Molecular weight formula_weight	228.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 47 Entity 47 non-polymer

Description description	IRON/SULFUR CLUSTER
Molecular weight formula_weight	351.6 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 48 Entity 48 non-polymer

Description description	FLAVIN MONONUCLEOTIDE
Molecular weight formula_weight	456.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 49 Entity 49 non-polymer

Description description	1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE
Molecular weight formula_weight	665.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 50 Entity 50 non-polymer

Description description	FE2/S2 (INORGANIC) CLUSTER
Molecular weight formula_weight	175.8 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 51 Entity 51 non-polymer

Description description	POTASSIUM ION
Molecular weight formula_weight	39.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 52 Entity 52 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 53 Entity 53 non-polymer

Description description	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
Molecular weight formula_weight	745.4 kDa
Source method src_method	syn
Copy count entity_count	1

▼

6. Fold Classification (SCOP + CATH) 10 domains

CATH v4.4 (10 domains)

Domain ID domain_id	7zdj101
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	11540 — NADH-ubiquinone oxidoreductase 51kDa subunit

Domain ID domain_id	7zdj102
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	600 —

Domain ID domain_id	7zdj103
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1440 — de novo design (two linked rop proteins)
Homologous superfamily homologous superfamily	230 — NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain

Domain ID domain_id	7zdj201
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily	1590 — NADH-quinone oxidoreductase subunit E

Domain ID domain_id	7zdj601
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	12280 —

Domain ID domain_id	7zdj901
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	3270 —

Domain ID domain_id	7zdjA01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1610 — NADH:ubiquinone/plastoquinone oxidoreductase, chain 3

Domain ID domain_id	7zdjJ01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily	1200 — NADH-ubiquinone/plastoquinone oxidoreductase chain 6, subunit NuoJ

Domain ID domain_id	7zdjb01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	260 — HSP40/DNAj peptide-binding domain
Homologous superfamily homologous superfamily	40 — q5lls5 like domains

Domain ID domain_id	7zdjc01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	160 — Double Stranded RNA Binding Domain
Homologous superfamily homologous superfamily	190 — atu1810 like domain

▶

Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	3.25 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	97548

Complex I from Ovis aries at pH5.5, Open state

1. Protein Identity and Related Structures Protein Identity & Related Structures

Complex I-49kD

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

NADH-ubiquinone oxidoreductase chain 3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

NADH-ubiquinone oxidoreductase chain 1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

NADH-ubiquinone oxidoreductase chain 6

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

NADH-ubiquinone oxidoreductase chain 4L

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

NADH-ubiquinone oxidoreductase chain 5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

NADH-ubiquinone oxidoreductase chain 4

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

NADH-ubiquinone oxidoreductase chain 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Complex I-B14.7

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Complex I-SGDH

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer