2C2A

Structure of the entire cytoplasmic portion of a sensor histidine kinase protein

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	258	29410.3	1	UniProt (Q9WZV7) Pfam (PF00512) Pfam (PF02518) In PDB	THERMOTOGA MARITIMA	HISTIDINE KINASE TM0853
2	A	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	1	Chemie (ADP)
3	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4		water	water		18.0	179	Chemie (HOH)

Sequence modifications

A: 232 - 232 (PDB: 2C2A)
A: 233 - 489 (UniProt: Q9WZV7)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	29410.3
Non-Polymers*	Number of molecules	2
	Total formula weight	523.3
All*	Total formula weight	29933.6

*Water molecules are not included.