Structure of PDB 7y7a Chain AM

Receptor sequence

>7y7aAM (length=256) Species: 35688 (Porphyridium purpureum) [Search protein sequence]

TGYDSKSSPNFPNRAATRERRTVSFNARVARNKSQAKKILEKADEFFARS
VTMQYKAFACPNGVYDIQCTEGTVKGAAYEKRAMAVSAAFRAKQASPAAK
ARALFENRRHAIIASHECQHEEDLFVRFPKLSAAYMMGKTEAMRTCSRYV
VPDSLEEEYMAASVDRQMKERACPGGVYASSCVEGNAKGQAEQARVAALA
TAFRSAQKSASKTTAERYSSAAYGRDHFAHGCSYEESVFNTYPATAAAMR
SKSYNY

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	AM	K98 Q110 K123 E183 C188 R190 Y296	K56 Q68 K81 E141 C146 R148 Y254
BS02	PUB	AM	Y107 C111 E113 A120 Y121 R124	Y65 C69 E71 A78 Y79 R82
BS03	PEB	AM	F89 V93 Q96 Y97 C160 E163	F47 V51 Q54 Y55 C118 E121
BS04	PEB	AM	V206 Q209 C274 E277 M291	V164 Q167 C232 E235 M249
BS05	PUB	AM	K211 Y220 C224 E226 E234 A236 R237	K169 Y178 C182 E184 E192 A194 R195
BS06	PEB	AM	S205 R208 Y276	S163 R166 Y234
BS07	PEB	AM	V128 S129 F132	V86 S87 F90
BS08	PEB	AM	S253 A257 Y260	S211 A215 Y218
BS09	PEB	AM	A140 R144 F147	A98 R102 F105
BS10	PEB	AM	L241 A242 F245 R246	L199 A200 F203 R204
BS11	PEB	AM	H162 L166	H120 L124

External links

PDB	RCSB:7y7a, PDBe:7y7a, PDBj:7y7a
PDBsum	7y7a
PubMed	36922595
UniProt	A0A5J4YX19

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