8QES

E coli NfsB with the unnatural amino acid, p-aminoPhe at position 124

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	Oxygen-insensitive NAD(P)H nitroreductase	polymer	221	24423.6	4	UniProt (P38489) In PDB	Escherichia coli	Dihydropteridine reductase,FMN-dependent nitroreductase
2	A, B, C, D	FLAVIN MONONUCLEOTIDE	non-polymer		456.3	4	Chemie (FMN)
3	A, B, C, D	NICOTINIC ACID	non-polymer		123.1	4	Chemie (NIO)
4		water	water		18.0	245	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 217 (UniProt: P38489)

PDB	External Database	Details
Asp -3	-	expression tag
Arg -2	-	expression tag
Trp -1	-	expression tag
Gly 0	-	expression tag
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	97694.5
Non-Polymers*	Number of molecules	8
	Total formula weight	2317.8
All*	Total formula weight	100012.3

*Water molecules are not included.