6YUE

Fragment of nitrate/nitrite sensor histidine kinase NarQ (R50S variant)

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 protein NarQ	polymer	236	26742.8	1	UniProt (P27896) Pfam (PF13675) Pfam (PF00672) In PDB	Escherichia coli K-12
2		water	water		18.0	9	Chemie (HOH)

Sequence modifications

A: 1 - 230 (UniProt: P27896)

PDB	External Database	Details
Ser 50	Arg 50	engineered mutation
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	26742.8
All*	Total formula weight	26742.8

*Water molecules are not included.