8RHW

Crystal Structure of Trypanosoma brucei PTR1 in complex with the cofactor and inhibitor P31

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Pteridine reductase	polymer	289	30801.0	4	UniProt (O76290)	Trypanosoma brucei brucei
2	E, I, L, N (A, B, C, D)	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE	non-polymer		745.4	4	Chemie (NDP)
3	F, J, M, O (A, B, C, D)	1-(5-methoxy-1~{H}-benzimidazol-2-yl)guanidine	non-polymer		205.2	4	Chemie (A1H0W)
4	G, H, K (A, B)	ACETATE ION	non-polymer		59.0	3	Chemie (ACT)
5	P, Q, R, S (A, B, C, D)	water	water		18.0	559	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 268 (UniProt: O76290)

PDB	External Database	Details
Met -20	-	initiating methionine
Gly -19	-	expression tag
Ser -18	-	expression tag
Ser -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
Ser -10	-	expression tag
Ser -9	-	expression tag
Gly -8	-	expression tag
Leu -7	-	expression tag
Val -6	-	expression tag
Pro -5	-	expression tag
Arg -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
His -1	-	expression tag
Met 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	123203.9
Non-Polymers*	Number of molecules	11
	Total formula weight	3979.7
All*	Total formula weight	127183.6

*Water molecules are not included.