1O5O

Crystal structure of Uracil phosphoribosyltransferase (TM0721) from Thermotoga maritima at 2.30 A resolution

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)	Uracil phosphoribosyltransferase	polymer	221	24814.9	4	UniProt (Q9WZI0) Pfam (PF14681)	Thermotoga maritima	UMP pyrophosphorylase, UPRTase
2	E, F, G, I, J... (A, B, C, D)	SULFATE ION	non-polymer		96.1	9	Chemie (SO4)
3	H, K, M, Q (A, B, C, D)	URIDINE-5'-MONOPHOSPHATE	non-polymer		324.2	4	Chemie (U5P)
4	R, S, T, U (A, B, C, D)	water	water		18.0	355	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 209 (UniProt: Q9WZI0)

PDB	External Database	Details
Met -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	99259.7
Non-Polymers*	Number of molecules	13
	Total formula weight	2161.3
All*	Total formula weight	101421.0

*Water molecules are not included.