3VA9

Crystal structure of the Rhodopseudomonas palustris histidine kinase HK9 sensor domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Sensor histidine kinase	polymer	164	18756.4	1	UniProt (Q6N7G5) Pfam (PF05227) In PDB	Rhodopseudomonas palustris
2	A	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
3		water	water		18.0	21	Chemie (HOH)

Sequence modifications

A: 35 - 188 (UniProt: Q6N7G5)

PDB	External Database	Details
Met 33	-	expression tag
Glu 34	-	expression tag
Leu 189	-	expression tag
Glu 190	-	expression tag
His 191	-	expression tag
His 192	-	expression tag
His 193	-	expression tag
His 194	-	expression tag
His 195	-	expression tag
His 196	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	18756.4
Non-Polymers*	Number of molecules	1
	Total formula weight	35.5
All*	Total formula weight	18791.9

*Water molecules are not included.