Structure of PDB 8iun Chain C Binding Site BS05

Receptor Information

>8iun Chain C (length=308) Species: 120962 (Roseiflexus castenholzii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

TNTVRGRFYIVAGIISVVMAVASIAIFWWIFYTITPAPAPPLQNPIYVNY
TQEPTDYISAESLAAMNAYIQANPQPQAVQVLKGMTTAQISAYMVAQVSG
GLKVDCSYCHNIANFAQQDGYPNAAKKVTARKMMLMSADLNQNYTAKLPA
SVGGYQITCATCHNGKAAGLEPYPIEIMNTLPNDWRLPLELDYPGGLVVT
GRKDVSNHEVEQNQFAMYHMNVSMGQGCTFCHNARYFPSYEIAQKNHSII
MLQMTKHIQETYVAPGGRIADGIMAGKSPSCWLCHQGANIPPGAAKPGQV
PAVLSSTP

Ligand information

Ligand ID

InChI

InChI=1S/Ca/q+2

InChIKey

BHPQYMZQTOCNFJ-UHFFFAOYSA-N

SMILES

Software	SMILES
CACTVS 3.341	[Ca++]
ACDLabs 10.04 OpenEye OEToolkits 1.5.0	[Ca+2]

Formula

Name

CALCIUM ION

PDB chain

8iun Chain C Residue 505 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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Structure summary

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PDB	8iun New insights on the photocomplex of Roseiflexus castenholzii revealed from comparisons of native and carotenoid-depleted complexes.
Resolution	2.85 Å
Binding residue (original residue number in PDB)	M190 L193 N195
Binding residue (residue number reindexed from 1)	M178 L181 N183
Annotation score	4

Enzymatic activity

Enzyme Commision number

Gene Ontology

	Molecular Function
GO:0005506	iron ion binding
GO:0009055	electron transfer activity
GO:0020037	heme binding

	Biological Process
GO:0015979	photosynthesis
GO:0019684	photosynthesis, light reaction

	Cellular Component
GO:0016020	membrane
GO:0030077	plasma membrane light-harvesting complex

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Cellular Component

External links

PDB	RCSB:8iun, PDBe:8iun, PDBj:8iun
PDBsum	8iun
PubMed	37468106
UniProt	A7NQE7

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