6I6P

SEPIAPTERIN REDUCTASE IN COMPLEX WITH COMPOUND 3

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Sepiapterin reductase	polymer	276	29948.5	2	UniProt (P35270) Pfam (PF00106) In PDB	Homo sapiens (Human)	SPR
2	A, B	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE	non-polymer		743.4	2	Chemie (NAP)
3	A, B	6-azaspiro[3.4]octan-6-yl-[2,4-bis(chloranyl)-6-oxidanyl-phenyl]methanone	non-polymer		300.2	2	Chemie (H4T)
4	A, B	1,2-ETHANEDIOL	non-polymer		62.1	3	Chemie (EDO)
5		water	water		18.0	433	Chemie (HOH)

Sequence modifications

A, B: 1 - 261 (UniProt: P35270)

PDB	External Database	Details
Met -14	-	initiating methionine
Gly -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
Glu -6	-	expression tag
Asn -5	-	expression tag
Leu -4	-	expression tag
Tyr -3	-	expression tag
Phe -2	-	expression tag
Gln -1	-	expression tag
Gly 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	59896.9
Non-Polymers*	Number of molecules	7
	Total formula weight	2273.4
All*	Total formula weight	62170.3

*Water molecules are not included.