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	E5354 R5357	E328 R331
BS02	CLA	c	A5172 L5175 H5237 M5282 I5285 F5289 Y5297	A146 L149 H211 M256 I259 F263 Y271
BS03	CLA	c	W5063 H5091 L5279 M5282 G5283 A5286 Y5297 H5430 L5433 F5437	W37 H65 L253 M256 G257 A260 Y271 H404 L407 F411
BS04	CLA	c	I5060 V5061 W5063 A5064 L5088 H5091 L5095 H5118	I34 V35 W37 A38 L62 H65 L69 H92
BS05	CLA	c	W5063 M5067 F5070 I5087 W5425 S5429 L5433	W37 M41 F44 I61 W399 S403 L407
BS06	CLA	c	H5441 L5442 A5445 R5449	H415 L416 A419 R423
BS07	CLA	c	L5161 L5165 I5243 C5244 A5246 G5247 W5250 H5251 F5257 W5259 M5281	L135 L139 I217 C218 A220 G221 W224 H225 F231 W233 M255
BS08	CLA	c	M5157 T5158 I5160 L5161 H5164 W5266 Y5271 Y5274 S5275	M131 T132 I134 L135 H138 W240 Y245 Y248 S249
BS09	CLA	c	W5036 A5037 N5039 L5272 F5436 F5437 V5439 G5440 W5443 H5444 R5447	W10 A11 N13 L246 F410 F411 V413 G414 W417 H418 R421
BS10	CLA	c	N5039 A5040 H5053 H5056 W5151 G5268 Y5271 L5272 S5275	N13 A14 H27 H30 W125 G242 Y245 L246 S249
BS11	CLA	c	H5056 L5059 I5060 W5063	H30 L33 I34 W37
BS12	CLA	c	G5038 N5039 R5041 K5048 A5052 V5130	G12 N13 R15 K22 A26 V104
BS13	CLA	c	H5053 V5054 A5057 F5147 I5160 F5163 H5164 V5167 G5171	H27 V28 A31 F121 I134 F137 H138 V141 G145
BS14	CLA	c	V5054 G5128 Y5131 H5132 F5147	V28 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

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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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