4A57

CRYSTAL STRUCTURE OF TOXOPLASMA GONDII NUCLEOSIDE TRIPHOSPHATE DIPHOSPHOHYDROLASE 3 (NTPDASE3)

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	NUCLEOSIDE-TRIPHOSPHATASE 1	polymer	611	67657.9	4	UniProt (Q27893) Pfam (PF01150) In PDB	TOXOPLASMA GONDII	NTPDASE3, NTPASE-I, NUCLEOSIDE TRIPHOSPHATE HYDROLASE 1, NUCLEOSIDE-TRIPHOSPHATASE I
2	A, C	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
3		water	water		18.0	1371	Chemie (HOH)

Sequence modifications

A, B, C, D: 26 - 628 (UniProt: Q27893)

PDB	External Database	Details
Met 25	-	expression tag
Glu 629	-	expression tag
His 630	-	expression tag
His 631	-	expression tag
His 632	-	expression tag
His 633	-	expression tag
His 634	-	expression tag
His 635	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	270631.7
Non-Polymers*	Number of molecules	4
	Total formula weight	141.8
All*	Total formula weight	270773.5

*Water molecules are not included.