2IFA

Crystal Structure of the PUTATIVE NITROREDUCTASE (SMU.260) IN COMPLEX WITH FMN FROM STREPTOCOCCUS MUTANS, NORTHEAST STRUCTURAL GENOMICS TARGET SMR5.

Replaces:  1YW3

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, E...	Hypothetical protein SMU.260	polymer	208	23663.0	6	UniProt (Q8DW21) Pfam (PF00881) In PDB	Streptococcus mutans
2	A, B, C, D, E...	FLAVIN MONONUCLEOTIDE	non-polymer		456.3	6	Chemie (FMN)
3		water	water		18.0	491	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 200 (UniProt: Q8DW21)

PDB	External Database	Details
Mse 1	Met 1	MODIFIED RESIDUE
Mse 145	Met 145	MODIFIED RESIDUE
Mse 170	Met 170	MODIFIED RESIDUE
Mse 189	Met 189	MODIFIED RESIDUE
Leu 201	-	EXPRESSION TAG
Glu 202	-	EXPRESSION TAG
His 203	-	EXPRESSION TAG
His 204	-	EXPRESSION TAG
His 205	-	EXPRESSION TAG
His 206	-	EXPRESSION TAG
His 207	-	EXPRESSION TAG
His 208	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	141977.9
Non-Polymers*	Number of molecules	6
	Total formula weight	2738.1
All*	Total formula weight	144716.0

*Water molecules are not included.