Structure of PDB 3a0b Chain C

Receptor sequence

>3a0bC (length=447) Species: 32053 (Thermostichus vulcanus) [Search protein sequence]

DQESSGFAWWAGNARLINLSGKLLGAHVAHAGLIVFWAGAMTLFELAHFI
PEKPMYEQGLILIPHIATLGWGVGPGGEVVDTFPFFVVGVVHLISSAVLG
FGGVYHAIRGPETLEEYSSFFGYDWKDKNKMTTILGFHLIVLGIGALLLV
AKAMFFGGLYDTWAPGGGDVRVITNPTLDPRVIFGYLLKSPFGGEGWIVS
VNNLEDVVGGHIWIGLICIAGGIWHILTTPFGWARRAFIWSGEAYLSYSL
GALSMMGFIATCFVWFNNTVYPSEFYGPTGPEASQAQAMTFLIRDQKLGA
NVGSAQGPTGLGKYLMRSPTGEIIFGGETMRFWDFRGPWLEPLRGPNGLD
LNKIKNDIQPWQERRAAEYMTHAPLGSLNSVGGVATEINSVNFVSPRSWL
ATSHFVLAFFFLVGHLWHAGRARAAAAGFEKGIDRESEPVLSMPSLD

3D structure

PDB

3a0b Location of chloride and its possible functions in oxygen-evolving photosystem II revealed by X-ray crystallography

Chain

Resolution

3.7 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	OEC	C	E354 R357	E328 R331
BS02	CLA	C	A172 L175 H237 M282 I285 F289 Y297	A146 L149 H211 M256 I259 F263 Y271
BS03	CLA	C	W63 M282 G283 A286 Y297 H430 L433 A434 F437	W37 M256 G257 A260 Y271 H404 L407 A408 F411
BS04	CLA	C	I60 V61 W63 A64 L88 H91 I92 L95 W97 H118	I34 V35 W37 A38 L62 H65 I66 L69 W71 H92
BS05	CLA	C	W63 M67 F70 I87 W425 S429	W37 M41 F44 I61 W399 S403
BS06	CLA	C	F264 H441 L442 A445 R449	F238 H415 L416 A419 R423
BS07	CLA	C	L161 L165 I243 C244 A246 G247 W250 H251 F257 W259 F264 M281	L135 L139 I217 C218 A220 G221 W224 H225 F231 W233 F238 M255
BS08	CLA	C	M157 T158 I160 L161 H164 W266 Y271 Y274 S275	M131 T132 I134 L135 H138 W240 Y245 Y248 S249
BS09	CLA	C	W36 A37 N39 L272 F436 F437 V439 G440 W443 H444 R447	W10 A11 N13 L246 F410 F411 V413 G414 W417 H418 R421
BS10	CLA	C	N39 A40 L49 H53 H56 H164 G268 E269 Y271 L272 S275	N13 A14 L23 H27 H30 H138 G242 E243 Y245 L246 S249
BS11	CLA	C	H56 L59 I60 F62 W63	H30 L33 I34 F36 W37
BS12	CLA	C	E29 G38 N39 R41 K48 A52 V130 I134	E3 G12 N13 R15 K22 A26 V104 I108
BS13	CLA	C	H53 V54 A57 I160 F163 H164 V167 G171	H27 V28 A31 I134 F137 H138 V141 G145
BS14	CLA	C	V124 G128 Y131 H132 F147	V98 G102 Y105 H106 F121

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

View graph for
Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:3a0b, PDBe:3a0b, PDBj:3a0b
PDBsum	3a0b
PubMed	19433803
UniProt	D0VWR7\|PSBC_THEVL Photosystem II CP43 reaction center protein (Fragment) (Gene Name=psbC)

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