Structure of PDB 7y7a Chain S4

Receptor sequence
>7y7aS4 (length=164) Species: 35688 (Porphyridium purpureum) [Search protein sequence]
MKSVITTVVSAADAAGRFPSNSDLESIQGNIQRSAARLEAAEKLAGNHEA
VVKEAGDACFAKYAYLKNPGEAGENQEKINKCYRDVDHYMRLVNYCLVVG
GTGPLDEWGIAGAREVYRTLNLPTSAYVASIAYTRDRLCVPRDMSAQAGV
EFSAYLDYLINALS
3D structure
PDB7y7a In situ structure of the red algal phycobilisome-PSII-PSI-LHC megacomplex.
ChainS4
Resolution4.3 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 PEB S4 L66 A72 K81 C82 R84 D85 H88 Y89 L122 P123 Y127 L66 A72 K81 C82 R84 D85 H88 Y89 L122 P123 Y127
BS02 PEB S4 K43 E54 R137 C139 R142 D143 K43 E54 R137 C139 R142 D143
BS03 PEB S4 L24 E25 L24 E25
BS04 PEB S4 R33 Q147 R33 Q147
Gene Ontology
Cellular Component
GO:0009507 chloroplast
GO:0009535 chloroplast thylakoid membrane
GO:0009579 thylakoid
GO:0016020 membrane
GO:0030089 phycobilisome

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Biological Process
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Cellular Component
External links
PDB RCSB:7y7a, PDBe:7y7a, PDBj:7y7a
PDBsum7y7a
PubMed36922595
UniProtP11392|PHEA_PORPP B-phycoerythrin alpha chain (Gene Name=cpeA)

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