5JEF

Fragment of nitrate/nitrite sensor histidine kinase NarQ (WT) in asymmetric holo state

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 sensor protein NarQ	polymer	236	26812.9	2	UniProt (P27896) Pfam (PF13675) Pfam (PF00672) In PDB	Escherichia coli (strain K12)
2	A	NITRATE ION	non-polymer		62.0	1	Chemie (NO3)
3	A	EICOSANE	non-polymer		282.5	1	Chemie (LFA)
4		water	water		18.0	62	Chemie (HOH)

Sequence modifications

A, B: 1 - 230 (UniProt: P27896)

PDB	External Database	Details
His 231	-	expression tag
His 232	-	expression tag
His 233	-	expression tag
His 234	-	expression tag
His 235	-	expression tag
His 236	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	53625.8
Non-Polymers*	Number of molecules	2
	Total formula weight	344.6
All*	Total formula weight	53970.4

*Water molecules are not included.