Structure of PDB 7y7a Chain dm

Receptor sequence

>7y7adm (length=342) Species: 35688 (Porphyridium purpureum) [Search protein sequence]

GRGWFDLIDDWLKRDRFVFIGWSGLLLLPCSYLALGGWLTGTTFVTSWYT
HGLASSYLEGCNFLTAAVSTPANSMGHSLLFLWGPEAQGDFTRWCQIGGL
WTFIALHGAFGLIGFCLRQFEIARLVGLRPYNAIAFSGPISVFVSVFLMY
PLGQASWFFAPSFGVAAIFRFLLFLQGFHNWTLNPFHMMGVAGILGGALL
CAIHGATVENTLFEDGDAADTFRAFTPTQSEETYSMVTANRFWSQIFGVA
FSNKRWLHFFMLFVPVTGLWTSSIGIVGLALNLRAYDFVSQELRAAEDPE
FETFYTKNILLNEGIRAWMAAQDQPHENFIFPEEVLPRGNAL

3D structure

PDB

7y7a In situ structure of the red algal phycobilisome-PSII-PSI-LHC megacomplex.

Chain

Resolution

4.3 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	PHO	dm	L205 A208 L209 I213 W253 F257	L195 A198 L199 I203 W243 F247
BS02	BCT	dm	H214 H268	H204 H258
BS03	CLA	dm	L36 L116 F120 I123 L127	L26 L106 F110 I113 L117
BS04	CLA	dm	F157 I178 F179 L182	F147 I168 F169 L172
BS05	CLA	dm	M198 V201 A202	M188 V191 A192
BS06	CLA	dm	W48 P149 V152 V156 F181 L182 Q186 W191 H197 G200 V201 I204 L205 S282 S283	W38 P139 V142 V146 F171 L172 Q176 W181 H187 G190 V191 I194 L195 S272 S273
BS07	PHO	dm	W48 G121 F125 Q129 N142 A145 F146 P149 F153 F173 G174 P275	W38 G111 F115 Q119 N132 A135 F136 P139 F143 F163 G164 P265
BS08	CLA	dm	P39 C40 L43 F91 L92 W93 T112 F113 L116 H117	P29 C30 L33 F81 L82 W83 T102 F103 L106 H107

Gene Ontology

	Molecular Function
GO:0005506	iron ion binding
GO:0009055	electron transfer 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
GO:0042651	thylakoid membrane

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Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:7y7a, PDBe:7y7a, PDBj:7y7a
PDBsum	7y7a
PubMed	36922595
UniProt	W0RYZ0

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