1YIR

Crystal Structure of a Nicotinate Phosphoribosyltransferase

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	Nicotinate phosphoribosyltransferase 2	polymer	408	46964.8	4	UniProt (Q9HW26) Pfam (PF17767) Pfam (PF04095) In PDB	Pseudomonas aeruginosa	NAPRTase 2
2	A, B, C, D	SULFATE ION	non-polymer		96.1	12	Chemie (SO4)
3		water	water		18.0	716	Chemie (HOH)

Sequence modifications

A, B, C, D: 4 - 400 (UniProt: Q9HW26)

PDB	External Database	Details
Met 1	-	cloning artifact
Ser 2	-	cloning artifact
Leu 3	-	cloning artifact
Glu 401	-	expression tag
Gly 402	-	expression tag
His 403	-	expression tag
His 404	-	expression tag
His 405	-	expression tag
His 406	-	expression tag
His 407	-	expression tag
His 408	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	187859.4
Non-Polymers*	Number of molecules	12
	Total formula weight	1152.8
All*	Total formula weight	189012.1

*Water molecules are not included.