1ORO

A FLEXIBLE LOOP AT THE DIMER INTERFACE IS A PART OF THE ACTIVE SITE OF THE ADJACENT MONOMER OF ESCHERICHIA COLI OROTATE PHOSPHORIBOSYLTRANSFERASE

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)	OROTATE PHOSPHORIBOSYLTRANSFERASE	polymer	213	23595.0	2	UniProt (P0A7E3) Pfam (PF00156)	Escherichia coli	OPRTASE
2	C, D (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	E, F (A, B)	water	water		18.0	118	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	47189.9
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	47382.1

*Water molecules are not included.