6XYN

Crystal structure of a proteolytic fragment of NarQ comprising sensor and TM domains

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Nitrate/nitrite sensor histidine kinase NarQ	polymer	236	26812.9	1	UniProt (P27896) Pfam (PF13675) Pfam (PF00672) In PDB	Escherichia coli	Nitrate/nitrite sensor protein NarQ
2	A	NITRATE ION	non-polymer		62.0	1	Chemie (NO3)
3		water	water		18.0	81	Chemie (HOH)

Sequence modifications

A: 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	1
	Total formula weight	26812.9
Non-Polymers*	Number of molecules	1
	Total formula weight	62.0
All*	Total formula weight	26874.9

*Water molecules are not included.