Structure of PDB 6kgx Chain xG

Receptor sequence

>6kgxxG (length=238) Species: 35688 (Porphyridium purpureum) [Search protein sequence]

QTGLVNSKFSARMAKKTAKQTKNKVDEYMARSVQRQYKQAAVATGVYGTQ
CTEGTVKGAAEASRSAALSRQFRIKQRSAFSKAHDLFEFRKHAIIAAAGC
SYEEKMVTRFPKLAAAMVLGQTEMMRTCSRYVVPESVEEEYMAASVDKQM
KRRGAPGGVYSLSCAEGVAKGQAEIARVSALGAAYRAASKSASAVTAERY
NSMAYGRVHFAHGCSYEEQQFNKYPAAAAAMRSDSYGY

3D structure

PDB

6kgx Structural basis of energy transfer in Porphyridium purpureum phycobilisome.

Chain

Resolution

2.8 Å

3D
structure

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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	xG	Y176 M177 Y251 Q255	Y141 M142 Y216 Q220
BS02	PEB	xG	L103 F107 R108	L68 F72 R73
BS03	PEB	xG	F115 A118 F122	F80 A83 F87
BS04	PEB	xG	L216 Y220	L181 Y185
BS05	PEB	xG	Y63 Y137 M141	Y28 Y102 M106
BS06	PUB	xG	S42 K43 F44	S7 K8 F9
BS07	PEB	xG	Q71 Y72 C135 E138 M141	Q36 Y37 C100 E103 M106
BS08	PEB	xG	M177 C249 E252	M142 C214 E217
BS09	PEB	xG	K73 R105 E158 C163 R165 Y273	K38 R70 E123 C128 R130 Y238
BS10	PUB	xG	Y195 C199 E201 A208 R212	Y160 C164 E166 A173 R177
BS11	PUB	xG	K73 Y82 C86 E88 A95 E96 S98 R99	K38 Y47 C51 E53 A60 E61 S63 R64

External links

PDB	RCSB:6kgx, PDBe:6kgx, PDBj:6kgx
PDBsum	6kgx
PubMed	32076272

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