3HEB

Crystal Structure of Response regulator receiver domain from Rhodospirillum rubrum

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 receiver domain protein (CheY)	polymer	152	17300.0	2	UniProt (Q2RWM6) Pfam (PF00072)	Rhodospirillum rubrum
2	C, D (A, B)	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3	E, F (A, B)	water	water		18.0	122	Chemie (HOH)

Sequence modifications

A, B: 7 - 147 (UniProt: Q2RWM6)

PDB	External Database	Details
Mse 4	-	expression tag
Ser 5	-	expression tag
Leu 6	-	expression tag
Glu 148	-	expression tag
Gly 149	-	expression tag
His 150	-	expression tag
His 151	-	expression tag
His 152	-	expression tag
His 153	-	expression tag
His 154	-	expression tag
His 155	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	34600.0
Non-Polymers*	Number of molecules	2
	Total formula weight	189.9
All*	Total formula weight	34790.0

*Water molecules are not included.