3H83

2.06 Angstrom resolution structure of a hypoxanthine-guanine phosphoribosyltransferase (hpt-1) 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, B, C, D	Hypoxanthine phosphoribosyltransferase	polymer	204	22975.3	4	UniProt (Q81VX6) In PDB	Bacillus anthracis str. 'Ames Ancestor' (anthrax anthrax bacterium)
2	E, F, G	beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose	branched		342.3	3	In PDB BIRD (PRD_900003)		sucrose
3	A, B, C, D	PHOSPHATE ION	non-polymer		95.0	10	Chemie (PO4)
4		water	water		18.0	510	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 180 (UniProt: Q81VX6)

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	4
	Total formula weight	91901.3
Branched	Number of molecules	3
	Total formula weight	1026.9
Non-Polymers*	Number of molecules	10
	Total formula weight	949.7
All*	Total formula weight	93877.9

*Water molecules are not included.