Structure of PDB 7n8o Chain a

Receptor sequence

>7n8oa (length=334) Species: 1111708 (Synechocystis sp. PCC 6803 substr. Kazusa) [Search protein sequence]

ASLWEQFCQWVTSTNNRIYVGWFGTLMIPTLLTATTCFIIAFIAAPPVDI
DGIREPVAGSLLYGNNIISGAVVPSSNAIGLHFYPIWEAASLDEWLYNGG
PYQLVVFHFLIGIFCYMGRQWELSYRLGMRPWICVAYSAPVSAATAVFLI
YPIGQGSFSDGMPLGISGTFNFMIVFQAEHNILMHPFHMLGVAGVFGGSL
FSAMHGSLVTSSLVRETTEVESQNYGYKFGQEEETYNIVAAHGYFGRLIF
QYASFNNSRSLHFFLGAWPVIGIWFTAMGVSTMAFNLNGFNFNQSILDSQ
GRVIGTWADVLNRANIGFEVMHERNAHNFPLDLA

3D structure

PDB

7n8o High-resolution cryo-electron microscopy structure of photosystem II from the mesophilic cyanobacterium, Synechocystis sp. PCC 6803.

Chain

Resolution

1.93 Å

3D
structure

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Enzymatic activity

Enzyme Commision number

1.10.3.9: photosystem II.

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	OEX	a	D170 E189 H332 E333 H337 D342 A344	D160 E179 H322 E323 H327 D332 A334
BS02	FE2	a	H215 H272	H205 H262
BS03	CLA	a	P150 A153 M183 I184 F186 I192 L193 H198 G201 V202 V205 F206 I283 T286 V290	P140 A143 M173 I174 F176 I182 L183 H188 G191 V192 V195 F196 I273 T276 V280
BS04	CLA	a	M199 V202 A203 F206 G207 L210	M189 V192 A193 F196 G197 L200
BS05	PHO	a	L41 T45 F48 Y126 A146 Y147 P150 P279	L31 T35 F38 Y116 A136 Y137 P140 P269
BS06	CLA	a	L36 T40 F93 P95 I96 W97 L114 H118	L26 T30 F83 P85 I86 W87 L104 H108
BS07	BCT	a	H215 Y246 H272	H205 Y236 H262
BS08	CLA	a	F33 W131	F23 W121
BS09	CLA	a	T45 V157 M172 I176 T179 F180 M183	T35 V147 M162 I166 T169 F170 M173
BS10	PHO	a	F206 L210 M214 F255	F196 L200 M204 F245

Gene Ontology

	Molecular Function
GO:0005506	iron ion binding
GO:0009055	electron transfer activity
GO:0010242	oxygen evolving activity
GO:0016168	chlorophyll binding
GO:0016491	oxidoreductase activity
GO:0016682	oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor
GO:0045156	electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
GO:0046872	metal ion binding

	Biological Process
GO:0009635	response to herbicide
GO:0009772	photosynthetic electron transport in photosystem II
GO:0015979	photosynthesis
GO:0019684	photosynthesis, light reaction

	Cellular Component
GO:0009523	photosystem II
GO:0009579	thylakoid
GO:0016020	membrane
GO:0030096	plasma membrane-derived thylakoid photosystem II
GO:0031676	plasma membrane-derived thylakoid membrane
GO:0042651	thylakoid membrane

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component

External links

PDB	RCSB:7n8o, PDBe:7n8o, PDBj:7n8o
PDBsum	7n8o
PubMed	34937700
UniProt	P16033\|PSBA2_SYNY3 Photosystem II protein D1 2 (Gene Name=psbA2)

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