Structure of PDB 7sa3 Chain C Binding Site BS02

Receptor Information
>7sa3 Chain C (length=420) Species: 91464 (Synechococcus sp. PCC 7335) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PGYDEATSGYAWWAGNARLITPELTGRFLGAHVAHAGLVALWAGGMLLFE
VSHFNLSKPMYEQGCILMPHIATLGIGVGQSGEITSMFPFFAIGVAHLIG
SAVLGIGGMYHAIKGPEKLYGFFQFDWTDRAKVAQILGFHIAILGIFALL
FAAKAMYWGGLYDPWAPGGGDVRLVTNPTLDPRIIFGYLIKRPTGGEGWI
VSVNNLEDIIGGHIWIGCILIAGGIWHILVPPLRWTYNLFPWTGETYLSQ
SLGNVAGQAFIAAAFIWFNNTAYPSVFYGPTVPESSQAQSFVFLMRDQGG
LGKYLQRSPTGEIIFGGETMRFWDARAPWLEPLRGKNGLDLDKLQHDVQP
WQLRRAAEYMTHSPIGSLNSVAGLAFNYVSPRTWLASAHFIFGFFFLVGH
LWHAGRARAAAAGFETGLDR
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain7sa3 Chain A Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7sa3 Structure of a monomeric photosystem II core complex from a cyanobacterium acclimated to far-red light reveals the functions of chlorophylls d and f.
Resolution2.25 Å
Binding residue
(original residue number in PDB)		G405 S406
Binding residue
(residue number reindexed from 1)		G366 S367
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0016168 chlorophyll binding
GO:0045156 electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
GO:0046872 metal ion binding
Biological Process
GO:0009767 photosynthetic electron transport chain
GO:0009772 photosynthetic electron transport in photosystem II
GO:0015979 photosynthesis
GO:0019684 photosynthesis, light reaction
Cellular Component
GO:0005737 cytoplasm
GO:0009521 photosystem
GO:0009523 photosystem II
GO:0009579 thylakoid
GO:0016020 membrane
GO:0031676 plasma membrane-derived thylakoid membrane
GO:0042651 thylakoid membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:7sa3, PDBe:7sa3, PDBj:7sa3
PDBsum7sa3
PubMed34801554
UniProtB4WKI2

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