3KOQ

Crystal structure of a nitroreductase family protein (cd3355) from clostridium difficile 630 at 1.58 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, C, D (A, B, C, D)	NITROREDUCTASE FAMILY PROTEIN	polymer	191	22310.7	4	UniProt (Q180K0) Pfam (PF00881)	Clostridium difficile
2	E, J, P, T (A, B, C, D)	FLAVIN MONONUCLEOTIDE	non-polymer		456.3	4	Chemie (FMN)
3	F, G, H, I, M... (A, B, C, D)	GLYCEROL	non-polymer		92.1	13	Chemie (GOL)
4	K, L (B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
5	AA, X, Y, Z (D, A, B, C)	water	water		18.0	875	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 172 (UniProt: Q180K0)

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	4
	Total formula weight	89243.0
Non-Polymers*	Number of molecules	19
	Total formula weight	3093.5
All*	Total formula weight	92336.5

*Water molecules are not included.