4RV4

2.65 Angstrom Resolution Crystal Structure of an orotate phosphoribosyltransferase from Bacillus anthracis str. 'Ames Ancestor' in complex with 5-phospho-alpha-D-ribosyl diphosphate (PRPP)

Replaces:  3OSC

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 (A, B, C)	Orotate phosphoribosyltransferase	polymer	234	25484.9	3	UniProt (Q81WF6) Pfam (PF00156)	Bacillus anthracis (anthrax anthrax bacterium)	OPRT, OPRTase
2	D, F, G (A, B, C)	1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose	non-polymer		390.1	3	Chemie (PRP)
3	E (A)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
4	H, I, J (A, B, C)	water	water		18.0	35	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 210 (UniProt: Q81WF6)

PDB	External Database	Details
Met -23	-	expression tag
His -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
Ser -16	-	expression tag
Ser -15	-	expression tag
Gly -14	-	expression tag
Val -13	-	expression tag
Asp -12	-	expression tag
Leu -11	-	expression tag
Gly -10	-	expression tag
Thr -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	76454.7
Non-Polymers*	Number of molecules	4
	Total formula weight	1276.3
All*	Total formula weight	77731.0

*Water molecules are not included.