3M3H

1.75 Angstrom resolution crystal structure of an orotate phosphoribosyltransferase from Bacillus anthracis str. 'Ames Ancestor'

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Orotate phosphoribosyltransferase	polymer	234	25484.9	1	UniProt (Q81WF6) Pfam (PF00156) In PDB	Bacillus anthracis (anthrax anthrax bacterium)	OPRT, OPRTase
2	A	CHLORIDE ION	non-polymer		35.5	7	Chemie (CL)
3		water	water		18.0	110	Chemie (HOH)

Sequence modifications

A: 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	1
	Total formula weight	25484.9
Non-Polymers*	Number of molecules	7
	Total formula weight	248.2
All*	Total formula weight	25733.1

*Water molecules are not included.