Structure of PDB 6kgx Chain M1

Receptor sequence

>6kgxM1 (length=238) Species: 35688 (Porphyridium purpureum) [Search protein sequence]

KFLGTLKRSKDPSGLRLGFYGRKADDFMARSIAMQAKASAAGSGVYTTQC
SEGASKGMAENARTASLAKQFRQAQRSAREMSFDYYEGRKYAMKAVGHIC
NYEEKIFQQYNKTAAAYVMGKQETLLSCDRYAQPANKAEEYIQKSVQMQM
KKRSIPYGVYTTSCADGTVKGMAENARVAKESANFRARQMSAGAKAAARF
NARRVANDWHNNGCNYEEKLTSRFPAAASSVRPTTNRY

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	PUB	M1	K132 Y141 C145 E147 A154 R158	K37 Y46 C50 E52 A59 R63
BS02	PEB	M1	F122 S126 Y197	F27 S31 Y102
BS03	PEB	M1	E276 F280 R281	E181 F185 R186
BS04	PEB	M1	R174 Y181	R79 Y86
BS05	PEB	M1	A291 F295 R299	A196 F200 R204
BS06	PUB	M1	S249 Y255 C259 A268 E269 R272 K275	S154 Y160 C164 A173 E174 R177 K180
BS07	PEB	M1	Y236 S240 Y311	Y141 S145 Y216
BS08	PEB	M1	K132 A135 M214 Q217 E218 C223 R225	K37 A40 M119 Q122 E123 C128 R130
BS09	PEB	M1	I127 Q130 C195 Y197 E198	I32 Q35 C100 Y102 E103
BS10	PEB	M1	Q244 C309 E312	Q149 C214 E217

External links

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

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