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9SE6

Structure of Photosystem I from Chlamydomonas reinhardtii at 1.83 A resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0005515molecular_functionprotein binding
A0009055molecular_functionelectron transfer activity
A0009535cellular_componentchloroplast thylakoid membrane
A0015979biological_processphotosynthesis
B0000287molecular_functionmagnesium ion binding
B0009055molecular_functionelectron transfer activity
B0009535cellular_componentchloroplast thylakoid membrane
B0015979biological_processphotosynthesis
C0009055molecular_functionelectron transfer activity
C0009535cellular_componentchloroplast thylakoid membrane
C0015979biological_processphotosynthesis
J0009535cellular_componentchloroplast thylakoid membrane
J0015979biological_processphotosynthesis
Functional Information from PROSITE/UniProt
site_idPS00198
Number of Residues12
Details4FE4S_FER_1 4Fe-4S ferredoxin-type iron-sulfur binding region signature. CiGCTqCVrACP
ChainResidueDetails
CCYS11-PRO22
CCYS48-PRO59

site_idPS00419
Number of Residues10
DetailsPHOTOSYSTEM_I_PSAAB Photosystem I psaA and psaB proteins signature. CDGPGRGGTC
ChainResidueDetails
BCYS560-CYS569
ACYS575-CYS584

site_idPS01026
Number of Residues18
DetailsPHOTOSYSTEM_I_PSAGK Photosystem I psaG and psaK proteins signature. GFnIiDvaGwGAlGHaVG
ChainResidueDetails
GGLY94-GLY111
KGLY83-GLY100

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI39
Number of Residues46
DetailsTransmembrane: {"description":"Helical; Name=I","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI40
Number of Residues46
DetailsTransmembrane: {"description":"Helical; Name=II","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI41
Number of Residues48
DetailsTransmembrane: {"description":"Helical; Name=III","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI42
Number of Residues36
DetailsTransmembrane: {"description":"Helical; Name=IV","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI43
Number of Residues46
DetailsTransmembrane: {"description":"Helical; Name=V","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI44
Number of Residues52
DetailsTransmembrane: {"description":"Helical; Name=VI","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI45
Number of Residues44
DetailsTransmembrane: {"description":"Helical; Name=VII","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI46
Number of Residues36
DetailsTransmembrane: {"description":"Helical; Name=VIII","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI47
Number of Residues42
DetailsTransmembrane: {"description":"Helical; Name=IX","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI48
Number of Residues44
DetailsTransmembrane: {"description":"Helical; Name=X","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI49
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=XI","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI50
Number of Residues5
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI51
Number of Residues2
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI52
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI53
Number of Residues11
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI54
Number of Residues29
DetailsDomain: {"description":"4Fe-4S ferredoxin-type 1","evidences":[{"source":"HAMAP-Rule","id":"MF_01303","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI55
Number of Residues29
DetailsDomain: {"description":"4Fe-4S ferredoxin-type 2","evidences":[{"source":"HAMAP-Rule","id":"MF_01303","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI56
Number of Residues101
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

256158

PDB entries from 2026-07-08

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