8j6z

Cryo-EM structure of the Arabidopsis thaliana photosystem I(PSI-LHCII-ST2)

Method: ELECTRON MICROSCOPY

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

Chlorophyll a-b binding protein 6, chloroplastic

Arabidopsis thaliana

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CAB6_ARATH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain 1； PDBConstruct 1–241； UniProt 1–241

Photosystem I chlorophyll a/b-binding protein 2, chloroplastic

Arabidopsis thaliana

UniProt Q9SYW8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LHCA2_ARATH
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain 2； PDBConstruct 1–257； UniProt 1–257

Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic

Arabidopsis thaliana

UniProt Q9SY97

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LHCA3_ARATH
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain 3； PDBConstruct 1–273； UniProt 1–273

Chlorophyll a-b binding protein 4, chloroplastic

Arabidopsis thaliana

UniProt P27521

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CA4_ARATH
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain 4； PDBConstruct 1–251； UniProt 1–251

Photosystem I P700 chlorophyll a apoprotein A1

Arabidopsis thaliana

UniProt P56766

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAA_ARATH
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain A； PDBConstruct 1–750； UniProt 1–750

Photosystem I P700 chlorophyll a apoprotein A2

Arabidopsis thaliana

UniProt P56767

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

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

Photosystem I iron-sulfur center

Arabidopsis thaliana

UniProt P62090

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

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

Photosystem I reaction center subunit II-2, chloroplastic

Arabidopsis thaliana

UniProt Q9SA56

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAD2_ARATH
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain D； PDBConstruct 1–204； UniProt 1–204

Photosystem I reaction center subunit IV A, chloroplastic

Arabidopsis thaliana

UniProt Q9S831

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	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

Arabidopsis thaliana

UniProt Q9SHE8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAF_ARATH
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain F； PDBConstruct 1–221； UniProt 1–221

Photosystem I reaction center subunit V, chloroplastic

Arabidopsis thaliana

UniProt Q9S7N7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAG_ARATH
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain G； PDBConstruct 1–160； UniProt 1–160

Photosystem I reaction center subunit VI-2, chloroplastic

Arabidopsis thaliana

UniProt Q9SUI6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAH2_ARATH
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain H； PDBConstruct 1–145； UniProt 1–145

Photosystem I reaction center subunit VIII

Arabidopsis thaliana

UniProt P56768

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAI_ARATH
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain I； PDBConstruct 1–37； UniProt 1–37

Photosystem I reaction center subunit IX

Arabidopsis thaliana

UniProt P56769

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

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

Photosystem I reaction center subunit psaK, chloroplastic

Arabidopsis thaliana

UniProt Q9SUI5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAK_ARATH
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain K； PDBConstruct 1–130； UniProt 1–130

Photosystem I reaction center subunit XI, chloroplastic

Arabidopsis thaliana

UniProt Q9SUI4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAL_ARATH
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain L； PDBConstruct 1–219； UniProt 1–219

Photosystem I subunit O

Arabidopsis thaliana

UniProt Q949Q5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAO_ARATH
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain O； PDBConstruct 1–140； UniProt 1–140

Chlorophyll a-b binding protein 2, chloroplastic

Arabidopsis thaliana

UniProt P0CJ48

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2.1, chloroplastic × 1 （Q9SHR7） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CB1A_ARATH
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain x； PDBConstruct 1–267； UniProt 1–267 Author chain y； PDBConstruct 1–267； UniProt 1–267

Chlorophyll a-b binding protein 2.1, chloroplastic

Arabidopsis thaliana

UniProt Q9SHR7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 20	Chlorophyll a-b binding protein 6, chloroplastic × 1 （Q01667） Photosystem I chlorophyll a/b-binding protein 2, chloroplastic × 1 （Q9SYW8） Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic × 1 （Q9SY97） Chlorophyll a-b binding protein 4, chloroplastic × 1 （P27521） Photosystem I P700 chlorophyll a apoprotein A1 × 1 （P56766） Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P56767） Photosystem I iron-sulfur center × 1 （P62090） Photosystem I reaction center subunit II-2, chloroplastic × 1 （Q9SA56） Photosystem I reaction center subunit IV A, chloroplastic × 1 （Q9S831） Photosystem I reaction center subunit III, chloroplastic × 1 （Q9SHE8） Photosystem I reaction center subunit V, chloroplastic × 1 （Q9S7N7） Photosystem I reaction center subunit VI-2, chloroplastic × 1 （Q9SUI6） Photosystem I reaction center subunit VIII × 1 （P56768） Photosystem I reaction center subunit IX × 1 （P56769） Photosystem I reaction center subunit psaK, chloroplastic × 1 （Q9SUI5） Photosystem I reaction center subunit XI, chloroplastic × 1 （Q9SUI4） Photosystem I subunit O × 1 （Q949Q5） Chlorophyll a-b binding protein 2, chloroplastic × 2 （P0CJ48） CHLOROPHYLL B × 30 CHLOROPHYLL A × 168 ;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ; × 6 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 9 (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL × 11 BETA-CAROTENE × 27 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 2 CHLOROPHYLL A ISOMER × 1 IRON/SULFUR CLUSTER × 3 PHYLLOQUINONE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 ;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CB21_ARATH
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain z； PDBConstruct 1–265； UniProt 1–265

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	8j6z
Deposition date deposition_date	2023-04-26
Structure title title	Cryo-EM structure of the Arabidopsis thaliana photosystem I(PSI-LHCII-ST2)
Keywords keywords	photosystem I, PSI, CELL CYCLE, PHOTOSYNTHESIS; PHOTOSYNTHESIS
Experimental Method method	ELECTRON MICROSCOPY

▼

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.

8j6z__assembly_1__model_1

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

Download this curve (.dat)

8j6z__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8j6z__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	63.15 Å
Rg (electron density)	63.25 Å
Total Rg	62.95 Å
Atom count	43924
Residues	3963
Excluded volume	815560 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8j6z__assembly_1__model_1`	eicosameric （20）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (31)

Entity 1 Entity 1 polymer

Description description	Chlorophyll a-b binding protein 6, chloroplastic
Molecular weight formula_weight	26021.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	1
Atom count atom_count	43924

MASNSLMSCGIAAVYPSLLSSSKSKFVSAGVPLPNAGNVGRIRMAAHWMPGEPRPAYLDGSAPGDFGFDPLGLGEVPANLERYKESELIHCRWAMLAVPGILVPEALGYGNWVKAQEWAALPGGQATYLGNPVPWGTLPTILAIEFLAIAFVEHQRSMEKDPEKKKYPGGAFDPLGYSKDPKKLEELKVKEIKNGRLALLAFVGFCVQQSAYPGTGPLENLATHLADPWHNNIGDIVIPFN

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 2 Entity 2 polymer

Description description	Photosystem I chlorophyll a/b-binding protein 2, chloroplastic
Molecular weight formula_weight	27782.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	2

MASSLCASSAIAAISSPSFLGGKKLRLKKKLTVPAVSRPDASVRAVAADPDRPIWFPGSTPPEWLDGSLPGDFGFDPLGLSSDPDSLKWNVQAEIVHCRWAMLGAAGIFIPEFLTKIGILNTPSWYTAGEQEYFTDKTTLFVVELILIGWAEGRRWADIIKPGSVNTDPVFPNNKLTGTDVGYPGGLWFDPLGWGSGSPAKLKELRTKEIKNGRLAMLAVMGAWFQHIYTGTGPIDNLFAHLADPGHATIFAAFTPK

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 3 Entity 3 polymer

Description description	Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic
Molecular weight formula_weight	29206.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3

MAAQALVSSSLTSSVQTARQIFGSKPVASASQKKSSFVVKAAATPPVKQGANRPLWFASSQSLSYLDGSLPGDYGFDPLGLSDPEGTGGFIEPRWLAYGEIINGRFAMLGAAGAIAPEILGKAGLIPAETALPWFQTGVIPPAGTYTYWADNYTLFVLEMALMGFAEHRRLQDWYNPGSMGKQYFLGLEKGLAGSGNPAYPGGPFFNPLGFGKDEKSLKELKLKEVKNGRLAMLAILGYFIQGLVTGVGPYQNLLDHLADPVNNNVLTSLKFH

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 4 Entity 4 polymer

Description description	Chlorophyll a-b binding protein 4, chloroplastic
Molecular weight formula_weight	27760.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	4

MATVTTHASASIFRPCTSKPRFLTGSSGRLNRDLSFTSIGSSAKTSSFKVEAKKGEWLPGLASPDYLTGSLAGDNGFDPLGLAEDPENLKWFVQAELVNGRWAMLGVAGMLLPEVFTKIGIINVPEWYDAGKEQYFASSSTLFVIEFILFHYVEIRRWQDIKNPGSVNQDPIFKQYSLPKGEVGYPGGIFNPLNFAPTQEAKEKELANGRLAMLAFLGFVVQHNVTGKGPFENLLQHLSDPWHNTIVQTFN

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 5 Entity 5 polymer

Description description	Photosystem I P700 chlorophyll a apoprotein A1
Molecular weight formula_weight	83315.4 kDa
EC 编号 ec_number	1.97.1.12
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

MIIRSPEPEVKILVDRDPIKTSFEEWAKPGHFSRTIAKGPDTTTWIWNLHADAHDFDSHTSDLEEISRKVFSAHFGQLSIIFLWLSGMYFHGARFSNYEAWLSDPTHIGPSAQVVWPIVGQEILNGDVGGGFRGIQITSGFFQIWRASGITSELQLYCTAIGALVFAALMLFAGWFHYHKAAPKLAWFQDVESMLNHHLAGLLGLGSLSWAGHQVHVSLPINQFLNAGVDPKEIPLPHEFILNRDLLAQLYPSFAEGATPFFTLNWSKYSEFLTFRGGLDPVTGGLWLTDIAHHHLAIAILFLIAGHMYRTNWGIGHGIKDILEAHKGPFTGQGHKGLYEILTTSWHAQLSLNLAMLGSLTIIVAHHMYSMPPYPYLATDYATQLSLFTHHMWIGGFLIVGAAAHAAIFMVRDYDPTNRYNDLLDRVLRHRDAIISHLNWVCIFLGFHSFGLYIHNDTMSALGRPQDMFSDTAIQLQPVFAQWIQNTHALAPGVTAPGETASTSLTWGGGELVAVGGKVALLPIPLGTADFLVHHIHAFTIHVTVLILLKGVLFARSSRLIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNAISVVIFHFSWKMQSDVWGSISDQGVVTHITGGNFAQSSITINGWLRDFLWAQASQVIQSYGSSLSAYGLFFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPATQPRALSIIQGRAVGVTHYLLGGIATTWAFFLARIIAVG

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 6 Entity 6 polymer

Description description	Photosystem I P700 chlorophyll a apoprotein A2
Molecular weight formula_weight	82555.9 kDa
EC 编号 ec_number	1.97.1.12
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MALRFPRFSQGLAQDPTTRRIWFGIATAHDFESHDDITEERLYQNIFASHFGQLAIIFLWTSGNLFHVAWQGNFETWVQDPLHVRPIAHAIWDPHFGQPAVEAFTRGGALGPVNIAYSGVYQWWYTIGLRTNEDLYTGALFLLFLSALSLIGGWLHLQPKWKPRVSWFKNAESRLNHHLSGLFGVSSLAWTGHLVHVAIPASRGEYVRWNNFLNVLPHPQGLGPLFTGQWNLYAQNPDSSSHLFGTSQGSGTAILTLLGGFHPQTQSLWLTDMAHHHLAIAILFLIAGHMYRTNFGIGHSIKDLLEAHIPPGGRLGRGHKGLYDTINNSIHFQLGLALASLGVITSLVAQHMYSLPAYAFIAQDFTTQAALYTHHQYIAGFIMTGAFAHGAIFFIRDYNPEQNEDNVLARMLDHKEAIISHLSWASLFLGFHTLGLYVHNDVMLAFGTPEKQILIEPIFAQWIQSAHGKTSYGFDVLLSSTSGPAFNAGRSIWLPGWLNAINENSNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKDFGYSFPCDGPGRGGTCDISAWDAFYLAVFWMLNTIGWVTFYWHWKHITLWQGNVSQFNESSTYLMGWLRDYLWLNSSQLINGYNPFGMNSLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETLAWAHERTPLANLIRWKDKPVALSIVQARLVGLAHFSVGYIFTYAAFLIASTSGKFG

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 7 Entity 7 polymer

Description description	Photosystem I iron-sulfur center
Molecular weight formula_weight	9049.5 kDa
EC 编号 ec_number	1.97.1.12
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPTDFLSVRVYLWHETTRSMGLAY

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 8 Entity 8 polymer

Description description	Photosystem I reaction center subunit II-2, chloroplastic
Molecular weight formula_weight	22336.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MATQAAGIFSPAITTTTSAVKKLHLFSSSHRPKSLSFTKTAIRAEKTESSSAAPAVKEAPVGFTPPQLDPNTPSPIFAGSTGGLLRKAQVEEFYVITWNSPKEQIFEMPTGGAAIMREGPNLLKLARKEQCLALGTRLRSKYKITYQFYRVFPNGEVQYLHPKDGVYPEKANPGREGVGLNMRSIGKNVSPIEVKFTGKQSYDL

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

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	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MAMTTASTVFVLPANVTSVAGASSSRSSVSFLPMRNAGSRLVVRAAEDPAPASSSSKDSPAAAAAPDGATATKPKPPPIGPKRGSKVKILRRESYWFKNVGSVVAVDQDPKTRYPVVVRFAKVNYANISTNNYALDEVEEVAA

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 10 Entity 10 polymer

Description description	Photosystem I reaction center subunit III, chloroplastic
Molecular weight formula_weight	24203.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MSLTIPANLVLNPRSNKSLTQSVPKSSARFVCSDDKSSSSTPQSMKAFSAAVALSSILLSAPMPAVADISGLTPCKDSKQFAKREKQQIKKLESSLKLYAPESAPALALNAQIEKTKRRFDNYGKYGLLCGSDGLPHLIVNGDQRHWGEFITPGILFLYIAGWIGWVGRSYLIAISGEKKPAMKEIIIDVPLASRIIFRGFIWPVAAYREFLNGDLIAKDV

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 11 Entity 11 polymer

Description description	Photosystem I reaction center subunit V, chloroplastic
Molecular weight formula_weight	17103.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MATSASALLSPTTFSTAISHKNPNSISFHGLRPLRLGGSSSALPKLSTTGRKSSSAVVRAELSPSIVISLSTGLSLFLGRFVFFNFQRENVAKQGLPEQNGKTHFEAGDDRAKEYVSLLKSNDPIGFNIVDVLAWGSIGHIVAYYILATSSNGYDPSFFG

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 12 Entity 12 polymer

Description description	Photosystem I reaction center subunit VI-2, chloroplastic
Molecular weight formula_weight	15291.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MASFATIAAVQPSAAVKGLGGSSLAGAKLFIKPSRQSFKTKSTRAGAVVAKYGDKSVYFDLEDLGNTTGQWDVYGSDAPSPYNPLQSKFFETFAAPFTKRGLLLKFLILGGGSLLTYVSANSTGDVLPIKRGPQEPPKLGPRGKL

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 13 Entity 13 polymer

Description description	Photosystem I reaction center subunit VIII
Molecular weight formula_weight	4137.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MTTFNNLPSIFVPLVGLVFPAIAMASLFLHIQKNKIF

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 14 Entity 14 polymer

Description description	Photosystem I reaction center subunit IX
Molecular weight formula_weight	5011.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MRDLKTYLSVAPVLSTLWFGSLAGLLIEINRLFPDALTFPFFSF

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 15 Entity 15 polymer

Description description	Photosystem I reaction center subunit psaK, chloroplastic
Molecular weight formula_weight	13219.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MASTMMTTLPQFNGLRATKISAAPVQGLASVQPMRRKGNGALGAKCDFIGSSTNLIMVTSTTLMLFAGRFGLAPSANRKATAGLRLEARDSGLQTGDPAGFTLADTLACGTVGHIIGVGVVLGLKNIGAI

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 16 Entity 16 polymer

Description description	Photosystem I reaction center subunit XI, chloroplastic
Molecular weight formula_weight	23070.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MAASASPMASQLRSSFSSASLSQRLAVPKGISGAPFGVSPTKRVSSFTVRAVKSDKTTFQVVQPINGDPFIGSLETPVTSSPLIAWYLSNLPGYRTAVNPLLRGVEVGLAHGFFLVGPFVKAGPLRNTAYAGSAGSLAAAGLVVILSMCLTIYGISSFKEGEPSIAPSLTLTGRKKQPDQLQTADGWAKFTGGFFFGGISGVTWAYFLLYVLDLPYFVK

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 17 Entity 17 polymer

Description description	Photosystem I subunit O
Molecular weight formula_weight	15156.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	O

MAATFATPSTVIGLGGSSITTKPFSSSFLKPTLSAKNPLRLAGASGGRVTCFERNWLRRDLNVVGFGLIGWLAPSSIPAINGKSLTGLFFDSIGTELAHFPTPPALTSQFWLWLVTWHLGLFLCLTFGQIGFKGRTEDYF

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 18 Entity 18 polymer

Description description	Chlorophyll a-b binding protein 2, chloroplastic
Molecular weight formula_weight	28251.0 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	x,y

MAASTMALSSPAFAGKAVNLSPAASEVLGSGRVTMRKTVAKPKGPSGSPWYGSDRVKYLGPFSGESPSYLTGEFPGDYGWDTAGLSADPETFARNRELEVIHSRWAMLGALGCVFPELLARNGVKFGEAVWFKAGSQIFSDGGLDYLGNPSLVHAQSILAIWATQVILMGAVEGYRVAGNGPLGEAEDLLYPGGSFDPLGLATDPEAFAELKVKELKNGRLAMFSMFGFFVQAIVTGKGPIENLADHLADPVNNNAWAFATNFVPGK

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 19 Entity 19 polymer

Description description	Chlorophyll a-b binding protein 2.1, chloroplastic
Molecular weight formula_weight	28753.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	z

MATSAIQQSSFAGQTALKPSNELLRKVGVSGGGRVTMRRTVKSTPQSIWYGPDRPKYLGPFSENTPSYLTGEYPGDYGWDTAGLSADPETFAKNRELEVIHSRWAMLGALGCTFPEILSKNGVKFGEAVWFKAGSQIFSEGGLDYLGNPNLIHAQSILAIWAVQVVLMGFIEGYRIGGGPLGEGLDPLYPGGAFDPLNLAEDPEAFSELKVKELKNGRLAMFSMFGFFVQAIVTGKGPIENLFDHLADPVANNAWSYATNFVPGN

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Arabidopsis thaliana

Entity 20 Entity 20 non-polymer

Description description	CHLOROPHYLL B
Molecular weight formula_weight	907.5 kDa
Source method src_method	syn
Copy count entity_count	30

Entity 21 Entity 21 non-polymer

Description description	CHLOROPHYLL A
Molecular weight formula_weight	893.5 kDa
Source method src_method	syn
Copy count entity_count	168

Entity 22 Entity 22 non-polymer

Description description	;(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL ;
Molecular weight formula_weight	600.9 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 23 Entity 23 non-polymer

Description description	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE
Molecular weight formula_weight	723.0 kDa
Source method src_method	syn
Copy count entity_count	9

Entity 24 Entity 24 non-polymer

Description description	(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL
Molecular weight formula_weight	568.9 kDa
Source method src_method	syn
Copy count entity_count	11

Entity 25 Entity 25 non-polymer

Description description	BETA-CAROTENE
Molecular weight formula_weight	536.9 kDa
Source method src_method	syn
Copy count entity_count	27

Entity 26 Entity 26 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	2

Entity 27 Entity 27 non-polymer

Description description	CHLOROPHYLL A ISOMER
Molecular weight formula_weight	893.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 28 Entity 28 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 29 Entity 29 non-polymer

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

Entity 30 Entity 30 non-polymer

Description description	DIGALACTOSYL DIACYL GLYCEROL (DGDG)
Molecular weight formula_weight	949.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 31 Entity 31 non-polymer

Description description	;(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL ;
Molecular weight formula_weight	600.9 kDa
Source method src_method	syn
Copy count entity_count	3

▶

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	2.79 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	188490

Cryo-EM structure of the Arabidopsis thaliana photosystem I(PSI-LHCII-ST2)

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

Chlorophyll a-b binding protein 6, 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 chlorophyll a/b-binding protein 2, 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 chlorophyll a/b-binding protein 3-1, 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

Chlorophyll a-b binding protein 4, 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-2, 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