1XTT

Sulfolobus solfataricus uracil phosphoribosyltransferase in complex with uridine 5'-monophosphate (UMP)

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)	Probable uracil phosphoribosyltransferase	polymer	216	24179.3	4	UniProt (Q980Q4) Pfam (PF14681)	Sulfolobus solfataricus	UMP pyrophosphorylase, UPRTase
2	E, F, H, I (A, B, C, D)	URIDINE-5'-MONOPHOSPHATE	non-polymer		324.2	4	Chemie (U5P)
3	G, J (B, D)	ACETIC ACID	non-polymer		60.1	2	Chemie (ACY)
4	K, L, M, N (A, B, C, D)	water	water		18.0	692	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	96717.4
Non-Polymers*	Number of molecules	6
	Total formula weight	1416.8
All*	Total formula weight	98134.2

*Water molecules are not included.