4AY4

crystal structure of Bacillus anthracis PurE

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	N5-CARBOXYAMINOIMIDAZOLE RIBONUCLEOTIDE MUTASE	polymer	181	19232.0	4	UniProt (Q81ZH8) Pfam (PF00731) UniProt (by SIFTS) (A0A6L7HA71) In PDB	BACILLUS ANTHRACIS	N5-CAIR MUTASE, PHOSPHORIBOSYLAMINOIMIDAZOLE CARBOXYLASE
2	A, B, C, D	ACETATE ION	non-polymer		59.0	5	Chemie (ACT)
3		water	water		18.0	365	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 161 (UniProt: Q81ZH8)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	76928.1
Non-Polymers*	Number of molecules	5
	Total formula weight	295.2
All*	Total formula weight	77223.3

*Water molecules are not included.