Structure of PDB 7y7a Chain Aj

Receptor sequence

>7y7aAj (length=257) Species: 35688 (Porphyridium purpureum) [Search protein sequence]

LTGYDSKSSPNFPNRAATRERRTVSFNARVARNKSQAKKILEKADEFFAR
SVTMQYKAFACPNGVYDIQCTEGTVKGAAYEKRAMAVSAAFRAKQASPAA
KARALFENRRHAIIASHECQHEEDLFVRFPKLSAAYMMGKTEAMRTCSRY
VVPDSLEEEYMAASVDRQMKERACPGGVYASSCVEGNAKGQAEQARVAAL
ATAFRSAQKSASKTTAERYSSAAYGRDHFAHGCSYEESVFNTYPATAAAM
RSKSYNY

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	Aj	Y97 K98 E113 K123 M179 E183 C188 R190	Y56 K57 E72 K82 M138 E142 C147 R149
BS02	PUB	Aj	Y220 C224 E226 A233 R237	Y179 C183 E185 A192 R196
BS03	PUB	Aj	Y107 C111 E113 A120 Y121 R124	Y66 C70 E72 A79 Y80 R83
BS04	PEB	Aj	V93 Q96 Y97 C160 E163	V52 Q55 Y56 C119 E122
BS05	PEB	Aj	C274 E277 F281 M291	C233 E236 F240 M250
BS06	PEB	Aj	E61 R63 T64 F67	E20 R22 T23 F26
BS07	PEB	Aj	S49 S50 F53	S8 S9 F12
BS08	PEB	Aj	L241 F245	L200 F204
BS09	PEB	Aj	S92 H162	S51 H121
BS10	PEB	Aj	Y201 S205 Y276	Y160 S164 Y235
BS11	PEB	Aj	V128 S129 F132 N228	V87 S88 F91 N187
BS12	PEB	Aj	T256 Y260	T215 Y219

External links

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

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