Structure of PDB 6kgx Chain A2

Receptor sequence

>6kgxA2 (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	A2	Y89 K90 K115 M171 E175 C180 R182 R284	Y56 K57 K82 M138 E142 C147 R149 R251
BS02	PUB	A2	Y212 C216 E218 A225 R229	Y179 C183 E185 A192 R196
BS03	PUB	A2	Y99 C103 E105 A112 Y113 R116	Y66 C70 E72 A79 Y80 R83
BS04	PEB	A2	V85 Q88 Y89 C152 E155	V52 Q55 Y56 C119 E122
BS05	PEB	A2	Q201 R205 C266 E269 F273	Q168 R172 C233 E236 F240
BS06	PEB	A2	E53 R55 T56 F59	E20 R22 T23 F26
BS07	PEB	A2	S41 S42 F45	S8 S9 F12
BS08	PEB	A2	L233 F237	L200 F204
BS09	PEB	A2	S84 H154	S51 H121
BS10	PEB	A2	S197 Y268	S164 Y235
BS11	PEB	A2	V120 S121 F124	V87 S88 F91
BS12	PEB	A2	T248 A249 Y252	T215 A216 Y219
BS13	PEB	A2	A135 F139	A102 F106

External links

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

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