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9LZJ

The PSI3-IsiA43 complex with a closed double ring of IsiA proteins bound to a trimeric PSI core

This is a non-PDB format compatible entry.
Functional Information from GO Data
ChainGOidnamespacecontents
a0031676cellular_componentplasma membrane-derived thylakoid membrane
a10031676cellular_componentplasma membrane-derived thylakoid membrane
a20031676cellular_componentplasma membrane-derived thylakoid membrane
a30031676cellular_componentplasma membrane-derived thylakoid membrane
a40031676cellular_componentplasma membrane-derived thylakoid membrane
a50031676cellular_componentplasma membrane-derived thylakoid membrane
a60031676cellular_componentplasma membrane-derived thylakoid membrane
aA0000287molecular_functionmagnesium ion binding
aA0005886cellular_componentplasma membrane
aA0009055molecular_functionelectron transfer activity
aA0009522cellular_componentphotosystem I
aA0015979biological_processphotosynthesis
aA0031676cellular_componentplasma membrane-derived thylakoid membrane
aA0042651cellular_componentthylakoid membrane
aB0000287molecular_functionmagnesium ion binding
aB0005886cellular_componentplasma membrane
aB0009055molecular_functionelectron transfer activity
aB0009522cellular_componentphotosystem I
aB0015979biological_processphotosynthesis
aB0031676cellular_componentplasma membrane-derived thylakoid membrane
aB0042651cellular_componentthylakoid membrane
aC0009055molecular_functionelectron transfer activity
aC0015979biological_processphotosynthesis
aC0031676cellular_componentplasma membrane-derived thylakoid membrane
aC0042651cellular_componentthylakoid membrane
aE0015979biological_processphotosynthesis
aE0031676cellular_componentplasma membrane-derived thylakoid membrane
aE0042651cellular_componentthylakoid membrane
aI0015979biological_processphotosynthesis
aI0031676cellular_componentplasma membrane-derived thylakoid membrane
aI0042651cellular_componentthylakoid membrane
aJ0015979biological_processphotosynthesis
aJ0031676cellular_componentplasma membrane-derived thylakoid membrane
aJ0042651cellular_componentthylakoid membrane
aK0015979biological_processphotosynthesis
aK0031676cellular_componentplasma membrane-derived thylakoid membrane
aK0042651cellular_componentthylakoid membrane
aL0015979biological_processphotosynthesis
aL0031676cellular_componentplasma membrane-derived thylakoid membrane
aL0042651cellular_componentthylakoid membrane
aM0015979biological_processphotosynthesis
aM0031676cellular_componentplasma membrane-derived thylakoid membrane
aM0042651cellular_componentthylakoid membrane
b0031676cellular_componentplasma membrane-derived thylakoid membrane
b10031676cellular_componentplasma membrane-derived thylakoid membrane
b20031676cellular_componentplasma membrane-derived thylakoid membrane
b30031676cellular_componentplasma membrane-derived thylakoid membrane
b40031676cellular_componentplasma membrane-derived thylakoid membrane
b50031676cellular_componentplasma membrane-derived thylakoid membrane
b60031676cellular_componentplasma membrane-derived thylakoid membrane
bA0000287molecular_functionmagnesium ion binding
bA0005886cellular_componentplasma membrane
bA0009055molecular_functionelectron transfer activity
bA0009522cellular_componentphotosystem I
bA0015979biological_processphotosynthesis
bA0031676cellular_componentplasma membrane-derived thylakoid membrane
bA0042651cellular_componentthylakoid membrane
bB0000287molecular_functionmagnesium ion binding
bB0005886cellular_componentplasma membrane
bB0009055molecular_functionelectron transfer activity
bB0009522cellular_componentphotosystem I
bB0015979biological_processphotosynthesis
bB0031676cellular_componentplasma membrane-derived thylakoid membrane
bB0042651cellular_componentthylakoid membrane
bC0009055molecular_functionelectron transfer activity
bC0015979biological_processphotosynthesis
bC0031676cellular_componentplasma membrane-derived thylakoid membrane
bC0042651cellular_componentthylakoid membrane
bE0015979biological_processphotosynthesis
bE0031676cellular_componentplasma membrane-derived thylakoid membrane
bE0042651cellular_componentthylakoid membrane
bI0015979biological_processphotosynthesis
bI0031676cellular_componentplasma membrane-derived thylakoid membrane
bI0042651cellular_componentthylakoid membrane
bJ0015979biological_processphotosynthesis
bJ0031676cellular_componentplasma membrane-derived thylakoid membrane
bJ0042651cellular_componentthylakoid membrane
bK0015979biological_processphotosynthesis
bK0031676cellular_componentplasma membrane-derived thylakoid membrane
bK0042651cellular_componentthylakoid membrane
bL0015979biological_processphotosynthesis
bL0031676cellular_componentplasma membrane-derived thylakoid membrane
bL0042651cellular_componentthylakoid membrane
bM0015979biological_processphotosynthesis
bM0031676cellular_componentplasma membrane-derived thylakoid membrane
bM0042651cellular_componentthylakoid membrane
c0031676cellular_componentplasma membrane-derived thylakoid membrane
c10031676cellular_componentplasma membrane-derived thylakoid membrane
c20031676cellular_componentplasma membrane-derived thylakoid membrane
c30031676cellular_componentplasma membrane-derived thylakoid membrane
c40031676cellular_componentplasma membrane-derived thylakoid membrane
c50031676cellular_componentplasma membrane-derived thylakoid membrane
c60031676cellular_componentplasma membrane-derived thylakoid membrane
cA0000287molecular_functionmagnesium ion binding
cA0005886cellular_componentplasma membrane
cA0009055molecular_functionelectron transfer activity
cA0009522cellular_componentphotosystem I
cA0015979biological_processphotosynthesis
cA0031676cellular_componentplasma membrane-derived thylakoid membrane
cA0042651cellular_componentthylakoid membrane
cB0000287molecular_functionmagnesium ion binding
cB0005886cellular_componentplasma membrane
cB0009055molecular_functionelectron transfer activity
cB0009522cellular_componentphotosystem I
cB0015979biological_processphotosynthesis
cB0031676cellular_componentplasma membrane-derived thylakoid membrane
cB0042651cellular_componentthylakoid membrane
cC0009055molecular_functionelectron transfer activity
cC0015979biological_processphotosynthesis
cC0031676cellular_componentplasma membrane-derived thylakoid membrane
cC0042651cellular_componentthylakoid membrane
cE0015979biological_processphotosynthesis
cE0031676cellular_componentplasma membrane-derived thylakoid membrane
cE0042651cellular_componentthylakoid membrane
cI0015979biological_processphotosynthesis
cI0031676cellular_componentplasma membrane-derived thylakoid membrane
cI0042651cellular_componentthylakoid membrane
cJ0015979biological_processphotosynthesis
cJ0031676cellular_componentplasma membrane-derived thylakoid membrane
cJ0042651cellular_componentthylakoid membrane
cK0015979biological_processphotosynthesis
cK0031676cellular_componentplasma membrane-derived thylakoid membrane
cK0042651cellular_componentthylakoid membrane
cL0015979biological_processphotosynthesis
cL0031676cellular_componentplasma membrane-derived thylakoid membrane
cL0042651cellular_componentthylakoid membrane
cM0015979biological_processphotosynthesis
cM0031676cellular_componentplasma membrane-derived thylakoid membrane
cM0042651cellular_componentthylakoid membrane
d0031676cellular_componentplasma membrane-derived thylakoid membrane
e0031676cellular_componentplasma membrane-derived thylakoid membrane
f0031676cellular_componentplasma membrane-derived thylakoid membrane
g0031676cellular_componentplasma membrane-derived thylakoid membrane
h0031676cellular_componentplasma membrane-derived thylakoid membrane
i0031676cellular_componentplasma membrane-derived thylakoid membrane
j0031676cellular_componentplasma membrane-derived thylakoid membrane
k0031676cellular_componentplasma membrane-derived thylakoid membrane
l0031676cellular_componentplasma membrane-derived thylakoid membrane
m0031676cellular_componentplasma membrane-derived thylakoid membrane
n0031676cellular_componentplasma membrane-derived thylakoid membrane
o0031676cellular_componentplasma membrane-derived thylakoid membrane
p0031676cellular_componentplasma membrane-derived thylakoid membrane
q0031676cellular_componentplasma membrane-derived thylakoid membrane
S0031676cellular_componentplasma membrane-derived thylakoid membrane
T0031676cellular_componentplasma membrane-derived thylakoid membrane
U0031676cellular_componentplasma membrane-derived thylakoid membrane
V0031676cellular_componentplasma membrane-derived thylakoid membrane
W0031676cellular_componentplasma membrane-derived thylakoid membrane
X0031676cellular_componentplasma membrane-derived thylakoid membrane
Y0031676cellular_componentplasma membrane-derived thylakoid membrane
Z0031676cellular_componentplasma membrane-derived thylakoid membrane
Functional Information from PROSITE/UniProt
site_idPS00198
Number of Residues12
Details4FE4S_FER_1 4Fe-4S ferredoxin-type iron-sulfur binding region signature. CiGCTqCVrACP
ChainResidueDetails
aCCYS11-PRO22
aCCYS48-PRO59

site_idPS00419
Number of Residues10
DetailsPHOTOSYSTEM_I_PSAAB Photosystem I psaA and psaB proteins signature. CDGPGRGGTC
ChainResidueDetails
aBCYS566-CYS575
aACYS578-CYS587

site_idPS00639
Number of Residues11
DetailsTHIOL_PROTEASE_HIS Eukaryotic thiol (cysteine) proteases histidine active site. LWHALRAMGFN
ChainResidueDetails
c5LEU334-ASN344

site_idPS01026
Number of Residues18
DetailsPHOTOSYSTEM_I_PSAGK Photosystem I psaG and psaK proteins signature. GFgLpEllAtTSfGHlLA
ChainResidueDetails
bKGLY53-ALA70

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues186
DetailsTransmembrane: {"description":"Helical; Name=I"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1521
DetailsTopological domain: {"description":"Lumenal, thylakoid","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues141
DetailsTransmembrane: {"description":"Helical; Name=II"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues942
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues138
DetailsTransmembrane: {"description":"Helical; Name=III"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues102
DetailsTransmembrane: {"description":"Helical; Name=IV"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues138
DetailsTransmembrane: {"description":"Helical; Name=V"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues186
DetailsTransmembrane: {"description":"Helical; Name=VI"}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues180
DetailsTransmembrane: {"description":"Helical; Name=VII"}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues147
DetailsTransmembrane: {"description":"Helical; Name=VIII"}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues177
DetailsTransmembrane: {"description":"Helical; Name=IX"}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues126
DetailsTransmembrane: {"description":"Helical; Name=X"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues171
DetailsTransmembrane: {"description":"Helical; Name=XI"}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11418848","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues12
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"11418848","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10066800","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11418848","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues87
DetailsDomain: {"description":"4Fe-4S ferredoxin-type 1"}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues93
DetailsDomain: {"description":"4Fe-4S ferredoxin-type 2"}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues78
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI20
Number of Residues42
DetailsCompositional bias: {"description":"Polar residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI21
Number of Residues5379
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI22
Number of Residues132
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"HAMAP-Rule","id":"MF_00447","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI23
Number of Residues57
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"HAMAP-Rule","id":"MF_00828","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

255239

PDB entries from 2026-06-17

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