Structure of PDB 7ezx Chain MQ

Receptor sequence

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

KFLGTLKRSKDPSGLRLGFYGRKADDFMARSIAMQAKASAAGSGVYTTQC
SEGASKGMAENARTASLAKQFRQAQRSAREMSFDYYEGRKYAMKAVGHIC
NYEEKIFQQYNKTAAAYVMGKQETLLSCDRYAQPANKAEEYIQKSVQMQM
KKRSIPYGVYTTSCADGTVKGMAENARVAKESANFRARQMSAGAKAAARF
NARRVANDWHNNGCNYEEKLTSRFPAAASSVRPTTNRY

3D structure

PDB

7ezx Structure of the phycobilisome from the red alga Porphyridium purpureum in Middle Light

Chain

Resolution

3.0 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	MQ	F122 S126 Y197	F27 S31 Y102
BS02	PEB	MQ	E276 F280	E181 F185
BS03	PEB	MQ	T159 L162 A163 F166	T64 L67 A68 F71
BS04	PEB	MQ	Y236 S240 Y311	Y141 S145 Y216
BS05	PEB	MQ	A131 K132 C145 S146 E218 C223 D224 R225 R327 N331	A36 K37 C50 S51 E123 C128 D129 R130 R232 N236
BS06	PUB	MQ	Y255 C259 A268 E269 A271 R272 K275	Y160 C164 A173 E174 A176 R177 K180
BS07	PUB	MQ	Y141 C145 E147 A154 R158 L162	Y46 C50 E52 A59 R63 L67
BS08	PEB	MQ	I127 V191 C195 Y197 E198	I32 V96 C100 Y102 E103
BS09	PEB	MQ	V241 Q244 N306 C309 E312	V146 Q149 N211 C214 E217

External links

PDB	RCSB:7ezx, PDBe:7ezx, PDBj:7ezx
PDBsum	7ezx
PubMed
UniProt	A0A5J4YNU6

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