Structure of PDB 8ira Chain C

Receptor sequence

>8iraC (length=451) Species: 32053 (Thermostichus vulcanus) [Search protein sequence]

ATNRDQESSGFAWWAGNARLINLSGKLLGAHVAHAGLIVFWAGAMTLFEL
AHFIPEKPMYEQGLILIPHIATLGWGVGPGGEVVDTFPFFVVGVVHLISS
AVLGFGGVYHAIRGPETLEEYSSFFGYDWKDKNKMTTILGFHLIVLGIGA
LLLVAKAMFFGGLYDTWAPGGGDVRVITNPTLDPRVIFGYLLKSPFGGEG
WIVSVNNLEDVVGGHIWIGLICIAGGIWHILTTPFGWARRAFIWSGEAYL
SYSLGALSMMGFIATCFVWFNNTVYPSEFYGPTGPEASQAQAMTFLIRDQ
KLGANVGSAQGPTGLGKYLMRSPTGEIIFGGETMRFWDFRGPWLEPLRGP
NGLDLNKIKNDIQPWQERRAAEYMTHAPLGSLNSVGGVATEINSVNFVSP
RSWLATSHFVLAFFFLVGHLWHAGRARAAAAGFEKGIDRESEPVLSMPSL
D

3D structure

PDB

8ira Oxygen-evolving photosystem II structures during S1-S2-S3 transitions.

Chain

Resolution

2.2 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	OEX	C	E354 R357	E332 R335
BS02	CLA	C	G171 A172 H237 M282 F289 Y297	G149 A150 H215 M260 F267 Y275
BS03	CLA	C	W63 H91 L174 F182 L279 M282 A286 Y297 H430 L433 F437	W41 H69 L152 F160 L257 M260 A264 Y275 H408 L411 F415
BS04	CLA	C	I60 V61 A64 H91 V114 H118	I38 V39 A42 H69 V92 H96
BS05	CLA	C	W63 M67 F70 G85 I87 W425 S429 F436	W41 M45 F48 G63 I65 W403 S407 F414
BS06	CLA	C	Y274 G277 H441 L442 A445 R449	Y252 G255 H419 L420 A423 R427
BS07	CLA	C	L161 L165 I243 G247 W250 H251 T255 P256 F257 W259 F264	L139 L143 I221 G225 W228 H229 T233 P234 F235 W237 F242
BS08	CLA	C	M157 L161 H164 L168 F264 W266 Y271 Y274 S275	M135 L139 H142 L146 F242 W244 Y249 Y252 S253
BS09	CLA	C	W36 A37 N39 L272 L276 F436 F437 G440 W443 H444 R447	W14 A15 N17 L250 L254 F414 F415 G418 W421 H422 R425
BS10	CLA	C	N39 L49 A52 H53 H56 W151 E269 Y271 L272 S275	N17 L27 A30 H31 H34 W129 E247 Y249 L250 S253
BS11	CLA	C	H56 L59 F436 F437	H34 L37 F414 F415
BS12	CLA	C	R26 W35 G38 N39 R41 L42 A52 F127	R4 W13 G16 N17 R19 L20 A30 F105
BS13	CLA	C	H53 F146 F163 H164 V167	H31 F124 F141 H142 V145
BS14	CLA	C	L50 V124 G128 Y131 H132 P137 Y143 F147	L28 V102 G106 Y109 H110 P115 Y121 F125
BS15	CA	C	N155 T158 T159 H251 I252 T254	N133 T136 T137 H229 I230 T232

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

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Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:8ira, PDBe:8ira, PDBj:8ira
PDBsum	8ira
PubMed	38297122
UniProt	D0VWR7\|PSBC_THEVL Photosystem II CP43 reaction center protein (Fragment) (Gene Name=psbC)

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