3JZ3

Structure of the cytoplasmic segment of histidine kinase QseC

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Sensor protein qseC	polymer	222	24732.6	2	UniProt (P40719) Pfam (PF00512) Pfam (PF02518)	Escherichia coli
2	C (B)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
3	D, E (A, B)	water	water		18.0	44	Chemie (HOH)

Sequence modifications

A, B: 236 - 449 (UniProt: P40719)

PDB	External Database	Details
Leu 450	-	expression tag
Glu 451	-	expression tag
His 452	-	expression tag
His 453	-	expression tag
His 454	-	expression tag
His 455	-	expression tag
His 456	-	expression tag
His 457	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49465.2
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	49561.2

*Water molecules are not included.