Structure of PDB 1k0t Chain A Binding Site BS02

Receptor Information
>1k0t Chain A (length=80) Species: 32049 (Picosynechococcus sp. PCC 7002) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SHSVKIYDTCIGCTQCVRACPLDVLEMVPWDGCKAGQIASSPRTEDCVGC
KRCETACPTDFLSIRVYLGAETTRSMGLAY
Ligand information
Ligand IDSF4
InChIInChI=1S/4Fe.4S
InChIKeyLJBDFODJNLIPKO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7[S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45
CACTVS 3.385S1[Fe]S[Fe]1.S2[Fe]S[Fe]2
FormulaFe4 S4
NameIRON/SULFUR CLUSTER
ChEMBL
DrugBank
ZINC
PDB chain1k0t Chain A Residue 82 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1k0t Solution structure of the unbound, oxidized Photosystem I subunit PsaC, containing [4Fe-4S] clusters F(A) and F(B): a conformational change occurs upon binding to photosystem I.
ResolutionN/A
Binding residue
(original residue number in PDB)
A19 C20 L22 V24 C47 G49 C50 R52 C53
Binding residue
(residue number reindexed from 1)
A19 C20 L22 V24 C47 G49 C50 R52 C53
Annotation score1
Enzymatic activity
Enzyme Commision number 1.97.1.12: photosystem I.
Gene Ontology
Molecular Function
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
GO:0060090 molecular adaptor activity
Biological Process
GO:0009773 photosynthetic electron transport in photosystem I
GO:0015979 photosynthesis
Cellular Component
GO:0009522 photosystem I
GO:0009579 thylakoid
GO:0016020 membrane
GO:0031676 plasma membrane-derived thylakoid membrane
GO:0042651 thylakoid membrane

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Cellular Component
External links
PDB RCSB:1k0t, PDBe:1k0t, PDBj:1k0t
PDBsum1k0t
PubMed11941504
UniProtP31087|PSAC_PICP2 Photosystem I iron-sulfur center (Gene Name=psaC)

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