Structure of PDB 4ixr Chain d

Receptor sequence

>4ixrd (length=340) Species: 146786 (Thermosynechococcus vestitus) [Search protein sequence]

GWFDILDDWLKRDRFVFVGWSGILLFPCAYLALGGWLTGTTFVTSWYTHG
LASSYLEGCNFLTVAVSTPANSMGHSLLLLWGPEAQGDFTRWCQLGGLWT
FIALHGAFGLIGFMLRQFEIARLVGVRPYNAIAFSAPIAVFVSVFLIYPL
GQSSWFFAPSFGVAAIFRFLLFFQGFHNWTLNPFHMMGVAGVLGGALLCA
IHGATVENTLFQDGEGASTFRAFNPTQAEETYSMVTANRFWSQIFGIAFS
NKRWLHFFMLFVPVTGLWMSAIGVVGLALNLRSYDFISQEIRAAEDPEFE
TFYTKNLLLNEGIRAWMAPQDQPHENFVFPEEVLPRGNAL

3D structure

PDB

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

Chain

Resolution

5.9 Å

3D
structure

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Enzymatic activity

Enzyme Commision number

1.10.3.9: photosystem II.

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	FE2	d	H214 H268	H202 H256
BS02	CLA	d	M198 V201	M186 V189
BS03	CLA	d	F157 I178 L182	F145 I166 L170
BS04	PHO	d	L205 L209 I213 W253 F257	L193 L197 I201 W241 F245
BS05	PHO	d	A41 W48 F125 F146 P149 F153 G174 P275 L279	A29 W36 F113 F134 P137 F141 G162 P263 L267
BS06	CLA	d	F120 I123 M126 L127 F130	F108 I111 M114 L115 F118
BS07	BCT	d	Y244 K264 H268	Y232 K252 H256
BS08	CLA	d	L45 V152 F153 V156 F181 L182 F185 Q186 W191 T192 H197 G200 V201 V204 S282 A283 V286	L33 V140 F141 V144 F169 L170 F173 Q174 W179 T180 H185 G188 V189 V192 S270 A271 V274
BS09	CLA	d	C40 L43 L92 W93 T112 F113 H117	C28 L31 L80 W81 T100 F101 H105

Gene Ontology

	Molecular Function
GO:0005506	iron ion binding
GO:0009055	electron transfer activity
GO:0010242	oxygen evolving activity
GO:0016168	chlorophyll binding
GO:0016491	oxidoreductase activity
GO:0045156	electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
GO:0046872	metal ion binding

	Biological Process
GO:0009772	photosynthetic electron transport in photosystem II
GO:0015979	photosynthesis
GO:0019684	photosynthesis, light reaction

	Cellular Component
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:4ixr, PDBe:4ixr, PDBj:4ixr
PDBsum	4ixr
PubMed	23413188
UniProt	Q8CM25\|PSBD_THEVB Photosystem II D2 protein (Gene Name=psbD1)

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