2wsf

Improved Model of Plant Photosystem I

Method: X-RAY DIFFRACTION

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

AT3G54890

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9C5R7_ARATH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain 1； PDBConstruct 1–241； UniProt 1–241

TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I

OrganismNot specified

UniProt Q41038

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q41038_PEA
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain 2； PDBConstruct 1–252； UniProt 1–252 Author chain 2； PDBConstruct 254–258； UniProt 253–257 Author chain 2； PDBConstruct 259–269； UniProt 259–269

CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC

OrganismNot specified

UniProt Q9SQL2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CB24_PEA
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain 4； PDBConstruct 1–210； UniProt 1–210 Author chain 4； PDBConstruct 211–251； UniProt 212–252

PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1

OrganismNot specified

UniProt P05310

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAA_PEA
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain A； PDBConstruct 1–758； UniProt 1–758

PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2

OrganismNot specified

UniProt P05311

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAB_PEA
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain B； PDBConstruct 1–734； UniProt 1–734

PHOTOSYSTEM I IRON-SULFUR CENTER

OrganismNot specified

UniProt P10793

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAC_PEA
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain C； PDBConstruct 1–81； UniProt 1–81

PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC

OrganismNot specified

UniProt P12353

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAD_SPIOL
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain D； PDBConstruct 1–212； UniProt 1–212

PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC

OrganismNot specified

UniProt Q9S831

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAE1_ARATH
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain E； PDBConstruct 1–143； UniProt 1–143

PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC

OrganismNot specified

UniProt P12355

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAF_SPIOL
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain F； PDBConstruct 1–231； UniProt 1–231

PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC

OrganismNot specified

UniProt P12357

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAG_SPIOL
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain G； PDBConstruct 1–167； UniProt 1–167

PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC

OrganismNot specified

UniProt P22179

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAH_SPIOL
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain H； PDBConstruct 1–144； UniProt 1–144

PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII

OrganismNot specified

UniProt P17227

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAI_PEA
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain I； PDBConstruct 1–40； UniProt 1–40

PHOTOSYSTEM I REACTION CENTER SUBUNIT IX

OrganismNot specified

UniProt P17230

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAJ_SPIOL
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain J； PDBConstruct 1–44； UniProt 1–44

PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC

OrganismNot specified

UniProt P36886

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAK_HORVU
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain K； PDBConstruct 1–131； UniProt 1–131

PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC

OrganismNot specified

UniProt Q41385

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I-N SUBUNIT × 1 （Q84U30） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAL_SPIOL
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain L； PDBConstruct 1–216； UniProt 1–216

PHOTOSYSTEM I-N SUBUNIT

OrganismNot specified

UniProt Q84U30

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 18 其他Polymer 13	AT3G54890 × 1 （Q9C5R7） TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I × 1 （Q41038） LHCA3 × 1 CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC × 1 （Q9SQL2） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1 × 1 （P05310） PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2 × 1 （P05311） PHOTOSYSTEM I IRON-SULFUR CENTER × 1 （P10793） PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC × 1 （P12353） PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC × 1 （Q9S831） PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC × 1 （P12355） PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC × 1 （P12357） PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC × 1 （P22179） PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII × 1 （P17227） PHOTOSYSTEM I REACTION CENTER SUBUNIT IX × 1 （P17230） PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC × 1 （P36886） PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC × 1 （Q41385） PHOTOSYSTEM I-N SUBUNIT × 1 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 13 CHLOROPHYLL A × 173 DODECYL-ALPHA-D-MALTOSIDE × 48 BETA-CAROTENE × 16 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 1 UNKNOWN LIGAND × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q84U30_PHAVU
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain N； PDBConstruct 1–170； UniProt 1–170

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	2wsf
Deposition date deposition_date	2009-09-05
Structure title title	Improved Model of Plant Photosystem I
Keywords keywords	PHOTOSYNTHESIS, ELECTRON TRANSFER, MEMBRANE PROTEINS, LARGE COMPLEXES; PHOTOSYNTHESIS
Experimental Method method	X-RAY DIFFRACTION

▼

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.

2wsf__assembly_1__model_1

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

Download this curve (.dat)

2wsf__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2wsf__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	55.87 Å
Rg (electron density)	55.37 Å
Total Rg	55.95 Å
Atom count	36033
Residues	3181
Excluded volume	666260 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2wsf__assembly_1__model_1`	octadecameric （18）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (26)

Entity 1 Entity 1 polymer

Description description	AT3G54890
Molecular weight formula_weight	26021.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	1
Atom count atom_count	36033

MASNSLMSCGIAAVYPSLLSSSKSKFVSAGVPLPNAGNVGRIRMAAHWMPGEPRPAYLDGSAPGDFGFDPLGLGEVPANLERYKESELIHCRWAMLAVPGILVPEALGYGNWVKAQEWAALPGGQATYLGNPVPWGTLPTILAIEFLAIAFVEHQRSMEKDPEKKKYPGGAFDPLGYSKDPKKLEELKVKEIKNGRLALLAFVGFCVQQSAYPGTGPLENLATHLADPWHNNIGDIVIPFN

Entity 2 Entity 2 polymer

Description description	TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I
Molecular weight formula_weight	28926.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	2

MASACASSAIAAVAISTPSSQKNGSPSGTSKAFLGRKLKVNSSTASPSRVRSTSTVCTVAEPDRPLWFPGSTPPPWLDGSLPGDFGFDPLGLGSDPESLRWNVQAELVHSRWAMLGAAGIFIPEFLTKLGILNTPSWYTAGEQEYFTDTTTLFIVELVFIGWAEGRRWADILNPGCVNTDPIFPNNKLTGTDVGYPGGLWFDPLGWGSASPQKLKELRTKEIKNGRLAMLAVMGAWFQHIYTGTGPIDNLFAAHLADPHATIFAAFTPK

Entity 3 Entity 3 polymer

Description description	LHCA3
Molecular weight formula_weight	29852.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3

MAAQALVSSSSLTFSAEAARQSLGPRSLQSPFGFSRKASFLVKAAATPPVKQGSDRPLWFASKQSLSYLDGSLPGDYGFDPLGLSDPEGTGGFIEPKWLAYGEIINGRYAMLGAVGAIAPEILGKAGLIPQETALPWFRTGFIPPAGTYNYWADSYTLFVFEMALMGFAEHRRFQDWAKPGSMGKQYFLGLEKGLGGSGEPAYPGGPFFNPLGFGKDEKSLKDLKLKEVKNGRLAMLAILGYFVQALVTGVGPYQNLLDHLTDPVHNNILTSLKFH

Entity 4 Entity 4 polymer

Description description	CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC
Molecular weight formula_weight	27182.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	4

MATVTTQASAAIFGPCGLKSRFLGGSSGKLNRGVAFRPVGCSPSASFKVEAKKGEWLPGLASPGYLTGSLPGDNGFDPLGLAEDPENLRWFVQAELVNGRWAMLGVAGMLLPEVFTSIGIINVPKWYAAGKEEYFASSSTLFVIEFILSHYVEIRRWQDIKNPGSVNQDPIFKQYSLPAGEVGYPGGIFNPLNFAPTLEAKEKEIANGRLMLAFLGFIIQHNVTGKGPFDNLLQHISDPWHNTIVQTLGGN

Entity 5 Entity 5 polymer

Description description	PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1
Molecular weight formula_weight	84284.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

MIIRSPEPKVQILADPEVKILVDRDPIKTSFEQWAKPGHFSRTIAKGPDTTTWIWNLHADAHDFDSHTSDLEEISRKVFSAHFGQLSIIFLWLSGMYFHGARFSNYEAWLNDPTHIGPSAQVVWPIVGQEILNGDVGGGFRGIQITSGFFQIWRASGITSELQLYCTAIGALVFAGLMLFAGWFHYHKAAPKLAWFQDVESMLNHHLAGLLGLGSLSWARHQVHVSLPINQFLNAGVDPKEIPLPHEFILNRDLLAQLYPSFAEGATPFFTLNWSKYADFLTFRGGLDPLTGGLWLTDIAHHHLAIAILFLIAGHMYRTNWGIGHGIKDILEAHKGPFTGQGHKGLYEILTTSWHAQLSINLAMLGSLTIVVAQHMYSMPPYPYLATDYATQLSLFTHHMWIGGFLIVGAAAHAAIFMVRDYDPTTRYNDLLDRVLRHRDAIISHLNWVCIFLGFHSFGLYIHNDTMSALGRPQDMFSDTAIQLQPVFAQWIQNTHALAPGTTAPGATASTSLTWGGGDLVAVGNKVALLPIPLGTADFLVHHIHAFTIHVTVLILLKGVLFARSSRLIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSISVVIFHFSWKMQSDVWGTINDQGVVTHITAGNFAQSSITINGWLRDFLWAQASQVIQSYGSSLSAYGLFFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPATQPRALSIVQGRAVGVTHYLLGGIATTWAFFLARIIAVG

Entity 6 Entity 6 polymer

Description description	PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2
Molecular weight formula_weight	82491.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MALRIPRFSQGIAQDPTTRRIWFGIATAHDFESHDDITEGRLYQNIFASHFGQLAIIFLWTSGNLFHVAWQGNFEAWVQDPFHVRPIAHAIWDPHFGQPAVEAFTRGGALGPVNNAYSGVYQWWYTIGLRTNEDLYTGAIFLLFLSFISLLAGWLHLQPKWKPSVSWFKNAESRLNHHLSGLFGVSSLAWAGHLVHVAIPGSRGEYVRWNNFLDVLPYPQGLGPLLTGQWNLYAQNPSSSNHLFGTTQGAGTAILTILGGFHPQTQSLWLTDVAHHHLAIAFLFLIGGLMYRTNFGIGHSIKYILEAHIPPGGRLGRGHKGLYDTINNSIHFQLGLALASLGVITSLVAQHMYSLPAYAFIAQDFTTQAALYTHHQYIAGFIMTGAFAHGPIFFIRDYNPEQNADNVLARMLEHKEAIISHLSWASLFLGFHTLGLYVHNDVMLAFGTPEKQILIEPIFAQWIQSAHGKTTYGFDIPLSSTNGPALNAGRNIWLPGWLNAINENSNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKDFGYSFPCDGPGRGGTCDISAWDDFYLAVFWMLNTIGWVTFYWHWKHITLWRGNVSQFNESSTYLMGWLRDYLWLNSSQLINGITPLVCNSLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETLAWAHERTPLANLIRWRDKPVALSIVQARLVGLVHFSVGYIFTYAAFLIASTSGKFG

Entity 7 Entity 7 polymer

Description description	PHOTOSYSTEM I IRON-SULFUR CENTER
Molecular weight formula_weight	8991.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWGGCKAKQIASAPRTEDCVGCKRCESACPTDFLSVRVYLWHETTRSMGLAY

Entity 8 Entity 8 polymer

Description description	PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC
Molecular weight formula_weight	23170.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MAMGTPATLFSRSSLSSAKPIETRLTTSFKQPSAVTFASKPASRLHTIRAAAAAEGKAAAATETKEATKAFTPPELDPNTPSPIFAGSTGGLLRKAQVEEFYVITWESPKEQIFEMPTGGAAIMREGPNLLKLARKEQCLALGTRLRSKYKIKYQFYRVFPSGEVQYLHPKDGVYPEKVNPGRQGVGLNMRSIGKNVSPIEVKFTGKQPYDL

Entity 9 Entity 9 polymer

Description description	PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC
Molecular weight formula_weight	14985.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MAMTTASTVFVLPANVTSVAGASSSRSSVSFLPMRNAGSRLVVRAAEDPAPASSSSKDSPAAAAAPDGATATKPKPPPIGPKRGSKVKILRRESYWFKNVGSVVAVDQDPKTRYPVVVRFAKVNYANISTNNYALDEVEEVAA

Entity 10 Entity 10 polymer

Description description	PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC
Molecular weight formula_weight	25445.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MSFTIPTNLYKPLATKPKHLSSSSFAPRSKIVCQQENDQQQPKKLELAKVGANAAAALALSSVLLSSWSVAPDAAMADIAGLTPCKESKQFAKREKQALKKLQASLKLYADDSAPALAIKATMEKTKKRFDNYGKYGLLCGSDGLPHLIVSGDQRHWGEFITPGILFLYIAGWIGWVGRSYLIAIRDEKKPTQKEIIIDVPLASSLLFRGFSWPVAAYRELLNGELVDNNF

Entity 11 Entity 11 polymer

Description description	PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC
Molecular weight formula_weight	18232.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MAAATASLSSTLLAPCSSKQPQPQQQHQHQQLKCKSFSGLRPLKLNISSNNSSSSLSMSSARRSMTCRAELSPSLVISLSTGLSLFLGRFVFFNFQRENMAKQVPEQNGMSHFEAGDTRAKEYVSLLKSNDPVGFNIVDVLAWGSIGHIVAYYILATASNGYDPSFF

Entity 12 Entity 12 polymer

Description description	PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTIC
Molecular weight formula_weight	15341.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MASLATLAAVQPTTLKGLAGSSIAGTKLHIKPARQSFKLNNVRSGAIVAKYGDKSVYFDLEDIANTTGQWDVYGSDAPSPYNSLQSKFFETFAAPFTKRGLLLKFLILGGGSLLTYVSANAPQDVLPITRGPQQPPKLGPRGKI

Entity 13 Entity 13 polymer

Description description	PHOTOSYSTEM I REACTION CENTER SUBUNIT VIII
Molecular weight formula_weight	4474.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MINLPSLFVPLVGLLFPAVAMASLFLHVEKRLLFSTKKIN

Entity 14 Entity 14 polymer

Description description	PHOTOSYSTEM I REACTION CENTER SUBUNIT IX
Molecular weight formula_weight	5079.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MRDFKTYLSVAPVLSTLWFGSLAGLLIEINRFFPDALTFPFFSF

Entity 15 Entity 15 polymer

Description description	PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTIC
Molecular weight formula_weight	13742.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MASQLSAMTSVPQFHGLRTYSSPRSMATLPSLRRRRSQGIRCDYIGSSTNLIMVTTTTLMLFAGRFGLAPSANRKATAGLKLEARESGLQTGDPAGFTLADTLACGAVGHIMGVGIVLGLKNTGVLDQIIG

Entity 16 Entity 16 polymer

Description description	PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTIC
Molecular weight formula_weight	22957.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MAATTSPMASQLKSGFTTKALVVPKGISGPALRGFPSPRRHTSFTVRAIKTEKPTYQVIQPLNGDPFIGGLETPVTSSPLIAWYLSNLPAYRTAVNPLLRGVEVGLAHGFLLVGPFVKAGPLRNTEYAGAAGSLAAAGLVVILSMCLTMYGIASFKEGEPSIAPALTLTGRKKQPDQLQSADGWAKFTGGFFFGGVSGVTWACFLMYVLDLPYYFK

Entity 17 Entity 17 polymer

Description description	PHOTOSYSTEM I-N SUBUNIT
Molecular weight formula_weight	18461.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	N

MSAMNSTVLACNYARSGCSDLNAKLTSMPSVASPQLSALKLPLIKAHQAKVTESKSDQGRRSALVYLAATLFTAAAAASNSSANAGVIEEYLEKSKTNKELNDKKRLATTGANFARAYTVEFGSCKFPENFTGCQDLAKQKKVPFLSDDLDLECEGKDKYKCGSNVFWKW

Entity 18 Entity 18 polymer

Description description	PHOTOSYSTEM I-N SUBUNIT
Molecular weight formula_weight	4528.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Entity 19 Entity 19 branched

Description description	beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose
Molecular weight formula_weight	342.3 kDa
Source method src_method	man
Copy count entity_count	13

Entity 20 Entity 20 non-polymer

Description description	CHLOROPHYLL A
Molecular weight formula_weight	893.5 kDa
Source method src_method	syn
Copy count entity_count	173

Entity 21 Entity 21 non-polymer

Description description	DODECYL-ALPHA-D-MALTOSIDE
Molecular weight formula_weight	510.6 kDa
Source method src_method	syn
Copy count entity_count	48

Entity 22 Entity 22 non-polymer

Description description	BETA-CAROTENE
Molecular weight formula_weight	536.9 kDa
Source method src_method	syn
Copy count entity_count	16

Entity 23 Entity 23 non-polymer

Description description	PHYLLOQUINONE
Molecular weight formula_weight	450.7 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 24 Entity 24 non-polymer

Description description	IRON/SULFUR CLUSTER
Molecular weight formula_weight	351.6 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 25 Entity 25 non-polymer

Description description	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE
Molecular weight formula_weight	787.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 26 Entity 26 non-polymer

Description description	UNKNOWN LIGAND
Source method src_method	syn
Copy count entity_count	1

▼

6. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

Domain ID domain_id	2wsfA00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1130 — Photosystem I p700 chlorophyll A apoprotein A1
Homologous superfamily homologous superfamily	10 — Photosystem I PsaA/PsaB

Domain ID domain_id	2wsfB00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1130 — Photosystem I p700 chlorophyll A apoprotein A1
Homologous superfamily homologous superfamily	10 — Photosystem I PsaA/PsaB

Domain ID domain_id	2wsfC00
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	2wsfD00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1470 — Photosystem 1 Reaction Centre Subunit Ii; Chain: D;
Homologous superfamily homologous superfamily	10 — Photosystem I PsaD, reaction center subunit II

Domain ID domain_id	2wsfE00
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	30 — SH3 type barrels.
Homologous superfamily homologous superfamily	50 —

Domain ID domain_id	2wsfF00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	110 — Photosystem I, reaction centre, subunit PsaF

Domain ID domain_id	2wsfG00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	286 — GTP Cyclohydrolase I; Chain A, domain 1
Homologous superfamily homologous superfamily	40 — Chlorophyll a-b binding protein like

Domain ID domain_id	2wsfH01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	220 —

Domain ID domain_id	2wsfJ00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	510 — Single helix bin

Domain ID domain_id	2wsfK00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	286 — GTP Cyclohydrolase I; Chain A, domain 1
Homologous superfamily homologous superfamily	40 — Chlorophyll a-b binding protein like

Domain ID domain_id	2wsfL00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1240 — Photosystem 1 Reaction Centre Subunit Xi; Chain: L;
Homologous superfamily homologous superfamily	10 — Photosystem I PsaL, reaction centre subunit XI

Domain ID domain_id	2wsfN00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	1190 — Chlorophyll A-B binding protein fold
Homologous superfamily homologous superfamily	10 — Chlorophyll A-B binding protein

▶

Unit-cell length a length_a	120.200 Å
Unit-cell length b length_b	190.200 Å
Unit-cell length c length_c	130.300 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	91.53 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	2

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	3.480 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.3919
R_work r_work	0.3912
R_free r_free	0.4252

Improved Model of Plant Photosystem I

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

AT3G54890

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM I

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTIC

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PHOTOSYSTEM I IRON-SULFUR CENTER

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTIC

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTIC

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTIC

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTIC

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer