Structure of PDB 4ixq Chain b

Receptor sequence

>4ixqb (length=490) Species: 197221 (Thermosynechococcus vestitus BP-1) [Search protein sequence]

GLPWYRVHTVLINDPGRLIAAHLMHTALVAGWAGSMALYELATFDPSDPV
LNPMWRQGMFVLPFMARLGVTGSWSGWSITGETGIDPGFWSFEGVALAHI
VLSGLLFLAACWHWVYWDLELFRDPRTGEPALDLPKMFGIHLFLAGLLCF
GFGAFHLTGLFGPGMWVSDPYGLTGSVQPVAPEWGPDGFNPYNPGGVVAH
HIAAGIVGIIAGLFHILVRPPQRLYKALRMGNIETVLSSSIAAVFFAAFV
VAGTMWYGSATTPIELFGPTRYQWDSSYFQQEINRRVQASLASGATLEEA
WSAIPEKLAFYDYIGNNPAKGGLFRTGPMNKGDGIAQAWKGHAVFRNKEG
EELFVRRMPAFFESFPVILTDKNGVVKADIPFRRAESKYSFEQQGVTVSF
YGGELNGQTFTDPPTVKSYARKAIFGEIFEFDTETLNSDGIFRTSPRGWF
TFAHAVFALLFFFGHIWHGARTLFRDVFSGIDPELSPEQV

3D structure

PDB

4ixq Simultaneous femtosecond X-ray spectroscopy and diffraction of photosystem II at room temperature.

Chain

Resolution

5.7 Å

3D
structure

[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]

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 I207	W184 F189 I206
BS02	CLA	b	G189 F190 G197 H201 A204 A205 V208 F247	G188 F189 G196 H200 A203 A204 V207 F246
BS03	CLA	b	R68 L69 L149 C150 F153 V198 H201 H202 F247 A248 V252 T262	R67 L68 L148 C149 F152 V197 H200 H201 F246 A247 V251 T261
BS04	CLA	b	W33 F61 F65 R68 L149 A248 A249 V252 F451 H455 F458 A459 F462	W32 F60 F64 R67 L148 A247 A248 V251 F450 H454 F457 A458 F461
BS05	CLA	b	T27 V30 A31 W33 A34 V62 F65 L69 H100 L103	T26 V29 A30 W32 A33 V61 F64 L68 H99 L102
BS06	CLA	b	L69 W91 A99 H100 L103 L106 G152 F153 H157 F162 G163 P164	L68 W90 A98 H99 L102 L105 G151 F152 H156 F161 G162 P163
BS07	CLA	b	W33 Y40 Q58 G59 F61 T327 P329 W450 F451	W32 Y39 Q57 G58 F60 T326 P328 W449 F450
BS08	CLA	b	A243 F463 H466 L474	A242 F462 H465 L473
BS09	CLA	b	F139 A212 F215 H216 P221 P222 L229	F138 A211 F214 H215 P220 P221 L228
BS10	CLA	b	H23 L135 F139 H142 L143 M231 V237 S240 S241	H22 L134 F138 H141 L142 M230 V236 S239 S240
BS11	CLA	b	Y6 R7 V8 H9 L238 F462 G465 W468 H469 R472	Y5 R6 V7 H8 L237 F461 G464 W467 H468 R471
BS12	CLA	b	H9 L19 H23 H26 T27 I234 V237 L238 S241	H8 L18 H22 H25 T26 I233 V236 L237 S240
BS13	CLA	b	H9 H26 V30 W33 F462	H8 H25 V29 W32 F461
BS14	CLA	b	V8 H9 L29 W115	V7 H8 L28 W114
BS15	CLA	b	H23 L24 M138 H142 L145	H22 L23 M137 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

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component

External links

PDB	RCSB:4ixq, PDBe:4ixq, PDBj:4ixq
PDBsum	4ixq
PubMed	23413188
UniProt	Q8DIQ1\|PSBB_THEVB Photosystem II CP47 reaction center protein (Gene Name=psbB)

[Back to BioLiP]