2gmj

Structure of Porcine Electron Transfer Flavoprotein-Ubiquinone Oxidoreductase

Method: X-RAY DIFFRACTION

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

Electron transfer flavoprotein-ubiquinone oxidoreductase

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	IRON/SULFUR CLUSTER × 1 FLAVIN-ADENINE DINUCLEOTIDE × 1 TERTIARY-BUTYL ALCOHOL × 4 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	IRON/SULFUR CLUSTER × 1 FLAVIN-ADENINE DINUCLEOTIDE × 1 TERTIARY-BUTYL ALCOHOL × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ETFD_PIG
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–584； UniProt 24–607 Author chain B； PDBConstruct 1–584； UniProt 24–607

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	2gmj
Deposition date deposition_date	2006-04-06
Structure title title	Structure of Porcine Electron Transfer Flavoprotein-Ubiquinone Oxidoreductase
Keywords keywords	Electron Transfer, Flavoprotein, Oxidoreductase, Ubiquinone; OXIDOREDUCTASE
Experimental Method method	X-RAY DIFFRACTION

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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.

2gmj__assembly_1__model_1

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

Download this curve (.dat)

2gmj__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2gmj__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.48 Å
Rg (electron density)	23.58 Å
Total Rg	24.36 Å
Atom count	4634
Residues	581
Excluded volume	82306 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2gmj__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2gmj__assembly_2__model_1`	monomeric （1）	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 (5)

Entity 1 Entity 1 polymer

Description description	Electron transfer flavoprotein-ubiquinone oxidoreductase
Molecular weight formula_weight	64926.6 kDa
EC 编号 ec_number	1.5.5.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	9345

SSTCKVPRITTHYTIYPRDQDKRWEGVNMERFAEEADVVIVGAGPAGLSAATRLKQLAAQHEKDLRVCLVEKAAHIGAHTLSGACLDPRAFEELFPDWKEKGAPLNTPVTEDRFGILTEKYRIPVPILPGLPMNNHGNYVVRLGHLVSWMGEQAEALGVEVYPGYAAAEILFHEDGSVKGIATNDVGIQKDGAPKTTFERGLELHAKVTIFAEGCHGHLAKQLYKKFDLRANCEPQTYGIGLKELWVIDEKKWKPGRVDHTVGWPLDRHTYGGSFLYHLNEGEPLLALGFVVGLDYQNPYLSPFREFQRWKHHPSIKPTLEGGKRIAYGARALNEGGFQSIPKLTFPGGLLIGCSPGFMNVPKIKGTHTAMKSGTLAAESIFNQLTSENLQSKTIGLHVTEYEDNLKNSWVWKELYSVRNIRPSCHGILGVYGGMIYTGIFYWIFRGMEPWTLKHKGSDSDQLKPAKDCTPIEYPKPDGQISFDLLSSVALSGTNHEHDQPAHLTLKDDSVPVNRNLSIYDGPEQRFCPAGVYEFVPLEQGDGFRLQINAQNCVHCKTCDIKDPSQNINWVVPEGGGGPAYNGM

Entity 2 Entity 2 non-polymer

Description description	IRON/SULFUR CLUSTER
Molecular weight formula_weight	351.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	FLAVIN-ADENINE DINUCLEOTIDE
Molecular weight formula_weight	785.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	TERTIARY-BUTYL ALCOHOL
Molecular weight formula_weight	74.1 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	109

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6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d2gmja1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.3 — FAD/NAD(P)-binding domain
Superfamily Superfamily superfamily	c.3.1 — FAD/NAD(P)-binding domain
Family Family family	c.3.1.2 — FAD-linked reductases, N-terminal domain

Domain ID domain_id	d2gmja2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.16 — FAD-linked reductases, C-terminal domain
Superfamily Superfamily superfamily	d.16.1 — FAD-linked reductases, C-terminal domain
Family Family family	d.16.1.8 — Electron transfer flavoprotein-ubiquinone oxidoreductase-like

Domain ID domain_id	d2gmja3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.1 — 4Fe-4S ferredoxins
Family Family family	d.58.1.6 — ETF-QO domain-like

Domain ID domain_id	d2gmjb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.3 — FAD/NAD(P)-binding domain
Superfamily Superfamily superfamily	c.3.1 — FAD/NAD(P)-binding domain
Family Family family	c.3.1.2 — FAD-linked reductases, N-terminal domain

Domain ID domain_id	d2gmjb2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.16 — FAD-linked reductases, C-terminal domain
Superfamily Superfamily superfamily	d.16.1 — FAD-linked reductases, C-terminal domain
Family Family family	d.16.1.8 — Electron transfer flavoprotein-ubiquinone oxidoreductase-like

Domain ID domain_id	d2gmjb3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.1 — 4Fe-4S ferredoxins
Family Family family	d.58.1.6 — ETF-QO domain-like

CATH v4.4 (6 domains)

Domain ID domain_id	2gmjA01
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	50 — FAD/NAD(P)-binding domain
Homologous superfamily homologous superfamily	60 — FAD/NAD(P)-binding domain

Domain ID domain_id	2gmjA02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	9 — D-Amino Acid Oxidase; Chain A, domain 2
Homologous superfamily homologous superfamily	90 —

Domain ID domain_id	2gmjA03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	2gmjB01
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	50 — FAD/NAD(P)-binding domain
Homologous superfamily homologous superfamily	60 — FAD/NAD(P)-binding domain

Domain ID domain_id	2gmjB02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	9 — D-Amino Acid Oxidase; Chain A, domain 2
Homologous superfamily homologous superfamily	90 —

Domain ID domain_id	2gmjB03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	20 —

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Unit-cell length a length_a	154.839 Å
Unit-cell length b length_b	154.839 Å
Unit-cell length c length_c	130.199 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	16

Space group space_group	P 4 21 2
Space-group number int_tables_number	90
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	28.750 Å
R factor r_factor	0.2280
R_work r_work	0.2280
R_free r_free	0.2550

Structure of Porcine Electron Transfer Flavoprotein-Ubiquinone Oxidoreductase

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

Electron transfer flavoprotein-ubiquinone oxidoreductase

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

2gmj__assembly_1__model_1

2gmj__assembly_1__model_1 | I(q)

2gmj__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Structure of Porcine Electron Transfer Flavoprotein-Ubiquinone Oxidoreductase

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

Electron transfer flavoprotein-ubiquinone oxidoreductase

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

2gmj__assembly_1__model_1

2gmj__assembly_1__model_1 | I(q)

2gmj__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

CATH v4.4 (6 domains)

7. Citations (1)