2B4A

Crystal structure of a response regulator receiver domain protein (bh3024) from bacillus halodurans c-125 at 2.42 A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	BH3024	polymer	138	15618.7	1	UniProt (Q9K8I2) Pfam (PF00072) In PDB	Bacillus halodurans
2	A	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
3		water	water		18.0	25	Chemie (HOH)

Sequence modifications

A: 1 - 126 (UniProt: Q9K8I2)

PDB	External Database	Details
Met -11	-	initiating methionine
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	15618.7
Non-Polymers*	Number of molecules	2
	Total formula weight	124.1
All*	Total formula weight	15742.9

*Water molecules are not included.