Structure of PDB 7pnk Chain d

Receptor sequence

>7pnkd (length=348) Species: 3046 (Dunaliella salina) [Search protein sequence]

IGTYQEKRTWFDDADDWLRQDRFVFVGWSGLLLLPCAYFAVGGWLTGCTF
VTSWYTHGLASSYIEGCNFLTAAVSTPANSLGHSLLFVWGPEAQGDLTRW
FQLGGLWAFVALHGAFGLIGFMLRQFEIARSVNLRPYNAIAFSAPIAVFV
SVFLIYPLGQSGWFFAPSFGVASIFRFILFFQGFHNWTLNPFHMMGVAGV
LGAALLCAIHGATVENTLFEDGDGANTFRAFNPTQAEETYSMVTANRFWS
QIFGVAFSNKRWLHFFMLFVPVTGLWMSALGVVGLALNLRAYDFVSQEIR
AAEDPEFETFYTKNILLNEGIRAWMAAQDQPHEKLTLPEEVLPRGNAL

3D structure

PDB

7pnk Structure of Dunaliella Photosystem II reveals conformational flexibility of stacked and unstacked supercomplexes.

Chain

Resolution

3.61 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	peptide	d	H336 E337 K338	H332 E333 K334
BS02	FE2	d	H214 Y244 H268	H210 Y240 H264
BS03	CLA	d	M198 V201 A202 L205 L209	M194 V197 A198 L201 L205
BS04	CLA	d	F153 V175 I178	F149 V171 I174
BS05	PHO	d	L209 I213 W253 F257	L205 I209 W249 F253
BS06	PHO	d	W48 G121 F125 Q129 N142 A145 F146 P149 F153 F173 G174 I178 P275 L279	W44 G117 F121 Q125 N138 A141 F142 P145 F149 F169 G170 I174 P271 L275
BS07	CLA	d	F120 M126 L127 F130	F116 M122 L123 F126
BS08	BCT	d	Y244 K264	Y240 K260
BS09	CLA	d	W48 L122 P149 V152 V156 F181 I182 F185 Q186 W191 H197 V201 V204 L279 S282 A283	W44 L118 P145 V148 V152 F177 I178 F181 Q182 W187 H193 V197 V200 L275 S278 A279
BS10	CLA	d	F43 F91 W93 F113 L116 H117 F120	F39 F87 W89 F109 L112 H113 F116

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:0009507	chloroplast
GO:0009523	photosystem II
GO:0009535	chloroplast thylakoid membrane
GO:0009579	thylakoid
GO:0016020	membrane

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Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:7pnk, PDBe:7pnk, PDBj:7pnk
PDBsum	7pnk
PubMed	36799903
UniProt	A0A1C8XRK9

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