Structure of PDB 6kgx Chain AB

Receptor sequence

>6kgxAB (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	AB	Y89 K90 K115 E175 A176 C180 R182	Y56 K57 K82 E142 A143 C147 R149
BS02	PUB	AB	Y212 C216 E218 A225 R229	Y179 C183 E185 A192 R196
BS03	PUB	AB	K90 Y99 C103 E105 A112 Y113 R116	K57 Y66 C70 E72 A79 Y80 R83
BS04	PEB	AB	V85 Q88 Y89 F92 C152 E155 Y169	V52 Q55 Y56 F59 C119 E122 Y136
BS05	PEB	AB	S41 S42 N44 F45	S8 S9 N11 F12
BS06	PEB	AB	R52 E53 R54 T56	R19 E20 R21 T23
BS07	PEB	AB	R136 F139	R103 F106
BS08	PEB	AB	Q201 C266 E269	Q168 C233 E236
BS09	PEB	AB	T248 A249 Y252	T215 A216 Y219
BS10	PEB	AB	S121 F124	S88 F91
BS11	PEB	AB	Y193 S197 R200 Y268	Y160 S164 R167 Y235
BS12	PEB	AB	F80 F81 S84 H154	F47 F48 S51 H121
BS13	PEB	AB	L233 F237 R238	L200 F204 R205

External links

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

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