Structure of PDB 6kgx Chain AI

Receptor sequence

>6kgxAI (length=257) Species: 35688 (Porphyridium purpureum) [Search protein sequence]

LTGYDSKSSPNFPNRAATRERRTVSFNARVARNKSQAKKILEKADEFFAR
SVTMQYKAFACPNGVYDIQCTEGTVKGAAYEKRAMAVSAAFRAKQASPAA
KARALFENRRHAIIASHECQHEEDLFVRFPKLSAAYMMGKTEAMRTCSRY
VVPDSLEEEYMAASVDRQMKERACPGGVYASSCVEGNAKGQAEQARVAAL
ATAFRSAQKSASKTTAERYSSAAYGRDHFAHGCSYEESVFNTYPATAAAM
RSKSYNY

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	AI	Y89 K90 E105 K115 M171 E175 C180 R182	Y56 K57 E72 K82 M138 E142 C147 R149
BS02	PUB	AI	Y212 C216 E218 A225 R229	Y179 C183 E185 A192 R196
BS03	PUB	AI	Y99 C103 E105 A112 Y113 R116	Y66 C70 E72 A79 Y80 R83
BS04	PEB	AI	V85 Q88 Y89 C152 E155	V52 Q55 Y56 C119 E122
BS05	PEB	AI	C266 E269 F273 M283	C233 E236 F240 M250
BS06	PEB	AI	E53 R55 T56 F59	E20 R22 T23 F26
BS07	PEB	AI	S41 S42 F45	S8 S9 F12
BS08	PEB	AI	L233 F237	L200 F204
BS09	PEB	AI	S84 H154	S51 H121
BS10	PEB	AI	Y193 S197 Y268	Y160 S164 Y235
BS11	PEB	AI	V120 S121 F124 N220	V87 S88 F91 N187
BS12	PEB	AI	T248 Y252	T215 Y219

External links

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

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