3ON5

Crystal structure of a xanthine dehydrogenase (BH1974) from Bacillus halodurans at 2.80 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 (A, B)	BH1974 protein	polymer	362	41786.4	2	UniProt (Q9KBF4) Pfam (PF02625) Pfam (PF21469) Pfam (PF13478)	Bacillus halodurans
2	C, D (A, B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
3	E, F (A, B)	water	water		18.0	51	Chemie (HOH)

Sequence modifications

A, B: 1 - 343 (UniProt: Q9KBF4)

PDB	External Database	Details
Mse -18	-	expression tag
Gly -17	-	expression tag
Ser -16	-	expression tag
Asp -15	-	expression tag
Lys -14	-	expression tag
Ile -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
Glu -6	-	expression tag
Asn -5	-	expression tag
Leu -4	-	expression tag
Tyr -3	-	expression tag
Phe -2	-	expression tag
Gln -1	-	expression tag
Gly 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	83572.9
Non-Polymers*	Number of molecules	2
	Total formula weight	70.9
All*	Total formula weight	83643.8

*Water molecules are not included.