9MIS

Crystal structure of Purine nucleoside phosphorylase from Trichomonas vaginalis (P21 form)

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, E... (A, B, C, D, E...)	Purine nucleoside phosphorylase, putative	polymer	244	26643.4	12	UniProt (A2EU62) Pfam (PF01048)	Trichomonas vaginalis G3
2	M, N, O, P (E, F, G, I)	CITRATE ANION	non-polymer		189.1	4	Chemie (FLC)
3	AA, BA, Q, R, S... (K, L, A, B, C...)	water	water		18.0	3389	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H, I, J, K, L: 1 - 236 (UniProt: A2EU62)

PDB	External Database	Details
Met -7	-	initiating methionine
Ala -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	319721.1
Non-Polymers*	Number of molecules	4
	Total formula weight	756.4
All*	Total formula weight	320477.5

*Water molecules are not included.