7T33

The structure of Haemophilus influenzae Rd KW20 nitroreductase complexed with nicotinic acid

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)	Putative NAD(P)H nitroreductase	polymer	233	26747.5	2	UniProt (Q57431) Pfam (PF00881)	Haemophilus influenzae Rd KW20
2	C, F (A)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	D, H (A, B)	FLAVIN MONONUCLEOTIDE	non-polymer		456.3	2	Chemie (FMN)
4	E, G (A, B)	NICOTINIC ACID	non-polymer		123.1	2	Chemie (NIO)
5	I, J (A, B)	water	water		18.0	40	Chemie (HOH)

Sequence modifications

A, B: 1 - 220 (UniProt: Q57431)

PDB	External Database	Details
Lys 221	-	expression tag
Leu 222	-	expression tag
Ala 223	-	expression tag
Ala 224	-	expression tag
Ala 225	-	expression tag
Leu 226	-	expression tag
Glu 227	-	expression tag
His 228	-	expression tag
His 229	-	expression tag
His 230	-	expression tag
His 231	-	expression tag
His 232	-	expression tag
His 233	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	53495.1
Non-Polymers*	Number of molecules	6
	Total formula weight	1351.0
All*	Total formula weight	54846.1

*Water molecules are not included.