Structure of PDB 2axt Chain B

Receptor sequence

>2axtB (length=488) Species: 197221 (Thermosynechococcus vestitus BP-1) [Search protein sequence]

GLPWYRVHTVLINDPGRLIAAHLMHTALVAGWAGSMALYELATFDPSDPV
LNPMWRQGMFVLPFMARLGVTGSWSGWSITGETGIDPGFWSFEGVALAHI
VLSGLLFLAACWHWVYWDLELFRDPRTGEPALDLPKMFGIHLFLAGLLCF
GFGAFHLTGLFGPGMWVSDPYGLTGSVQPVAPEWGPDGFNPYNPGGVVAH
HIAAGIVGIIAGLFHILVRPPQRLYKALRMGNIETVLSSSIAAVFFAAFV
VAGTMWYGSATTPIELFGPTRYQWDSSYFQQEINRRVQASLASGATLEEA
WSAIPEKLAFYDYIGNNPAKGGLFRTGPMNKGDGIAQAWKGHAVFRNKEG
EELFVRRMPAFFESFPVILTDKNGVVKADIPFRRAESKYSFEQQGVTVSF
YGGELNGQTFTDPPTVKSYARKAIFGEIFEFDTETLNSDGIFRTSPRGWF
TFAHAVFALLFFFGHIWHGARTLFRDVFSGIDPELSPE

3D structure

PDB

2axt Towards complete cofactor arrangement in the 3.0 A resolution structure of photosystem II

Chain

Resolution

3.0 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)	Binding affinity
BS01	CLA	B	W185 F190	W184 F189
BS02	CLA	B	G189 F190 G197 H201 A204 A205 V208 F247 F250	G188 F189 G196 H200 A203 A204 V207 F246 F249
BS03	CLA	B	R68 L69 L149 C150 F153 H201 H202 F247 V252 T262	R67 L68 L148 C149 F152 H200 H201 F246 V251 T261
BS04	CLA	B	W33 F61 F65 R68 L149 A248 A249 V252 F451 H455 F458	W32 F60 F64 R67 L148 A247 A248 V251 F450 H454 F457
BS05	CLA	B	T27 V30 A31 W33 A34 V62 M66 L69 H100 A205	T26 V29 A30 W32 A33 V61 M65 L68 H99 A204
BS06	CLA	B	G70 V71 W91 A99 H100 L103 G152 F153 F156 H157 F162 G163 P164	G69 V70 W90 A98 H99 L102 G151 F152 F155 H156 F161 G162 P163
BS07	CLA	B	W33 M37 Y40 Q58 G59 F61 T327 P329 W450 F451	W32 M36 Y39 Q57 G58 F60 T326 P328 W449 F450
BS08	CLA	B	A243 F246 F463 H466 L474	A242 F245 F462 H465 L473
BS09	CLA	B	F139 A212 F215 H216 P221 L229	F138 A211 F214 H215 P220 L228
BS10	CLA	B	L135 P136 F139 H142 M231 V237 S240	L134 P135 F138 H141 M230 V236 S239
BS11	CLA	B	W5 Y6 R7 V8 H9 L238 I242 L461 F462 G465 W468 H469 R472	W4 Y5 R6 V7 H8 L237 I241 L460 F461 G464 W467 H468 R471
BS12	CLA	B	H9 L12 L19 H23 H26 T27 V237 L238 S241	H8 L11 L18 H22 H25 T26 V236 L237 S240
BS13	CLA	B	H26 V30 W33 F462	H25 V29 W32 F461
BS14	CLA	B	V8 H9 L12 M25 W115	V7 H8 L11 M24 W114
BS15	CLA	B	I20 M138 I141 H142 L145	I19 M137 I140 H141 L144
BS16	CLA	B	I20 W113 H114	I19 W112 H113

Gene Ontology

	Molecular Function
GO:0016168	chlorophyll binding
GO:0045156	electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity

	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:0009521	photosystem
GO:0009523	photosystem II
GO:0009579	thylakoid
GO:0016020	membrane
GO:0031676	plasma membrane-derived thylakoid membrane
GO:0042651	thylakoid membrane

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Molecular Function

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Cellular Component

External links

PDB	RCSB:2axt, PDBe:2axt, PDBj:2axt
PDBsum	2axt
PubMed	16355230
UniProt	Q8DIQ1\|PSBB_THEVB Photosystem II CP47 reaction center protein (Gene Name=psbB)

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