3O5Y

The Crystal Structure of the GAF domain of a two-component sensor histidine kinase from Bacillus halodurans to 2.45A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Sensor protein	polymer	165	19160.5	2	UniProt (Q9KFE5) Pfam (PF01590) In PDB	Bacillus halodurans
2	A, B	ACETATE ION	non-polymer		59.0	3	Chemie (ACT)
3		water	water		18.0	22	Chemie (HOH)

Sequence modifications

A, B: 8 - 169 (UniProt: Q9KFE5)

PDB	External Database	Details
Ser 5	-	expression tag
Asn 6	-	expression tag
Ala 7	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	38321.0
Non-Polymers*	Number of molecules	3
	Total formula weight	177.1
All*	Total formula weight	38498.2

*Water molecules are not included.