Structure of PDB 2wsf Chain 4

Receptor sequence

>2wsf4 (length=166) Species: 3888 (Pisum sativum) [Search protein sequence]

LAEDPENLRWFVQAELVNGRWAMLGVAGMLLPEVFTSIGIINVPKWYAAG
KEEYFASSSTLFVIEFILSHYVEIRRWQDIKNPGSVNQDPIFKQYSLPAG
EVGYPGGIFNPLNFAPTLEAKEKEIANGRLMLAFLGFIIQHNVTGKGPFD
NLLQHISDPWHNTIVQ

3D structure

PDB

2wsf Structure determination and improved model of plant photosystem I.

Chain

Resolution

3.48 Å

3D
structure

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Enzymatic activity

Enzyme Commision number

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)
BS01	CLA	4	W106 Q107 D108	W77 Q78 D79
BS02	CLA	4	I103 Q107	I74 Q78
BS03	CLA	4	G165 Q169	G136 Q140
BS04	CLA	4	R49 D118 T146	R20 D89 T117
BS05	CLA	4	N156 L159 M160	N127 L130 M131
BS06	CLA	4	I154 R158	I125 R129
BS07	CLA	4	P73 W75 Y76	P44 W46 Y47
BS08	CLA	4	F91 F95	F62 F66
BS09	CLA	4	R104 P119	R75 P90
BS10	CLA	4	V46 W50 E102 R105 W106	V17 W21 E73 R76 W77
BS11	CLA	4	W75 E94 F95	W46 E65 F66

Gene Ontology

	Molecular Function
GO:0016168	chlorophyll binding
GO:0046872	metal ion binding

	Biological Process
GO:0009416	response to light stimulus
GO:0009765	photosynthesis, light harvesting
GO:0009768	photosynthesis, light harvesting in photosystem I
GO:0015979	photosynthesis

	Cellular Component
GO:0009507	chloroplast
GO:0009522	photosystem I
GO:0009523	photosystem II
GO:0009535	chloroplast thylakoid membrane
GO:0009579	thylakoid
GO:0016020	membrane

View graph for
Molecular Function

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Biological Process

View graph for
Cellular Component

External links

PDB	RCSB:2wsf, PDBe:2wsf, PDBj:2wsf
PDBsum	2wsf
PubMed	19923216
UniProt	Q9SQL2\|CB24_PEA Chlorophyll a-b binding protein P4, chloroplastic (Gene Name=lhcA-P4)

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