1A04

THE STRUCTURE OF THE NITRATE/NITRITE RESPONSE REGULATOR PROTEIN NARL IN THE MONOCLINIC C2 CRYSTAL FORM

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	NITRATE/NITRITE RESPONSE REGULATOR PROTEIN NARL	polymer	215	23828.6	2	UniProt (P10957) Pfam (PF00072) Pfam (PF00196) UniProt (by SIFTS) (P0AF28) In PDB	Escherichia coli
2		water	water		18.0	361	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	47657.2
All*	Total formula weight	47657.2

*Water molecules are not included.