6IGS

Crystal structure of HPRT from F. tularensis with Zinc

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)	Hypoxanthine phosphoribosyltransferase	polymer	177	20334.2	4	UniProt (A0A0E2ZT88) Pfam (PF00156) UniProt (by SIFTS) (Q5NI77)	Francisella tularensis
2	E, F, I, L, M... (A, B, C, D)	SULFATE ION	non-polymer		96.1	7	Chemie (SO4)
3	G, H, J, K, N... (A, B, C, D)	ZINC ION	non-polymer		65.4	8	Chemie (ZN)
4	T, U, V, W (A, B, C, D)	water	water		18.0	164	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	81337.0
Non-Polymers*	Number of molecules	15
	Total formula weight	1195.7
All*	Total formula weight	82532.7

*Water molecules are not included.