1O4U

Crystal structure of a nicotinate nucleotide pyrophosphorylase (tm1645) from thermotoga maritima at 2.50 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	Type II quinolic acid phosphoribosyltransferase	polymer	285	31679.5	2	UniProt (Q9X1X8) Pfam (PF02749) Pfam (PF01729) In PDB	Thermotoga maritima
2		water	water		18.0	113	Chemie (HOH)

Sequence modifications

A, B: 1 - 273 (UniProt: Q9X1X8)

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	2
	Total formula weight	63359.0
All*	Total formula weight	63359.0

*Water molecules are not included.