2QXY

Crystal structure of a response regulator from Thermotoga maritima

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)	Response regulator	polymer	142	16580.8	2	UniProt (Q9WZU6) Pfam (PF00072)	Thermotoga maritima
2	C (A)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
3	D, E (A, B)	water	water		18.0	182	Chemie (HOH)

Sequence modifications

A, B: 4 - 134 (UniProt: Q9WZU6)

PDB	External Database	Details
Mse 1	-	expression tag
Ser 2	-	expression tag
Leu 3	-	expression tag
Glu 135	-	expression tag
Gly 136	-	expression tag
His 137	-	expression tag
His 138	-	expression tag
His 139	-	expression tag
His 140	-	expression tag
His 141	-	expression tag
His 142	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	33161.6
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	33257.7

*Water molecules are not included.