Structure of PDB 7y7a Chain Ap

Receptor sequence

>7y7aAp (length=238) Species: 35688 (Porphyridium purpureum) [Search protein sequence]

QTGLVNSKFSARMAKKTAKQTKNKVDEYMARSVQRQYKQAAVATGVYGTQ
CTEGTVKGAAEASRSAALSRQFRIKQRSAFSKAHDLFEFRKHAIIAAAGC
SYEEKMVTRFPKLAAAMVLGQTEMMRTCSRYVVPESVEEEYMAASVDKQM
KRRGAPGGVYSLSCAEGVAKGQAEIARVSALGAAYRAASKSASAVTAERY
NSMAYGRVHFAHGCSYEEQQFNKYPAAAAAMRSDSYGY

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

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	PEB	Ap	M74 V78 Q81 Y82 C145 E148 L158 M162	M29 V33 Q36 Y37 C100 E103 L113 M117
BS02	PEB	Ap	Y82 C96 R115 E168 C173 R175 Y283	Y37 C51 R70 E123 C128 R130 Y238
BS03	PUB	Ap	Y205 C209 E211 A218 A221 R222	Y160 C164 E166 A173 A176 R177
BS04	PUB	Ap	Y92 C96 E98 R109	Y47 C51 E53 R64
BS05	PUB	Ap	Q46 K53	Q1 K8
BS06	PEB	Ap	M187 Q194 C259 E262 F266 M276	M142 Q149 C214 E217 F221 M231
BS07	PEB	Ap	T241 Y245	T196 Y200
BS08	PEB	Ap	F125 H129 F132	F80 H84 F87
BS09	PEB	Ap	L226 Y230	L181 Y185
BS10	PEB	Ap	Y73 R80 Y147	Y28 R35 Y102
BS11	PEB	Ap	Y186 M187 S190 Y261	Y141 M142 S145 Y216
BS12	PEB	Ap	L113 S114 F117 R118 Q121	L68 S69 F72 R73 Q76

External links

PDB	RCSB:7y7a, PDBe:7y7a, PDBj:7y7a
PDBsum	7y7a
PubMed	36922595
UniProt	A0A5J4YZM7

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