1GRV

Hypoxanthine Phosphoribosyltransferase from E. coli

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE	polymer	182	20657.9	2	UniProt (P36766) Pfam (PF00156) UniProt (by SIFTS) (P0A9M2)	ESCHERICHIA COLI	HPRT
2	C, D (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	E, F (A, B)	water	water		18.0	74	Chemie (HOH)

Sequence modifications

A, B: 1 - 4 (PDB: 1GRV)
A, B: 5 - 182 (UniProt: P36766)

PDB	External Database	Details
Leu 84	Val 80	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	41315.8
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	41364.4

*Water molecules are not included.