3HZH

Crystal structure of the CheX-CheY-BeF3-Mg+2 complex from Borrelia burgdorferi

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Chemotaxis response regulator (CheY-3)	polymer	157	17589.3	1	UniProt (O51615) Pfam (PF00072) In PDB	Borrelia burgdorferi
2	B	Chemotaxis operon protein (CheX)	polymer	172	19185.0	1	UniProt (O51614) Pfam (PF04509) In PDB	Borrelia burgdorferi
3	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4		water	water		18.0	158	Chemie (HOH)

Sequence modifications

A: 2 - 146 (UniProt: O51615)

PDB	External Database	Details
Met -10	-	EXPRESSION TAG
Arg -9	-	EXPRESSION TAG
Gly -8	-	EXPRESSION TAG
Ser -7	-	EXPRESSION TAG
His -6	-	EXPRESSION TAG
His -5	-	EXPRESSION TAG
His -4	-	EXPRESSION TAG
His -3	-	EXPRESSION TAG
His -2	-	EXPRESSION TAG
His -1	-	EXPRESSION TAG
Gly 0	-	EXPRESSION TAG
Ser 1	-	EXPRESSION TAG

B: 2 - 161 (UniProt: O51614)

PDB	External Database	Details
Mse -10	-	EXPRESSION TAG
Arg -9	-	EXPRESSION TAG
Gly -8	-	EXPRESSION TAG
Ser -7	-	EXPRESSION TAG
His -6	-	EXPRESSION TAG
His -5	-	EXPRESSION TAG
His -4	-	EXPRESSION TAG
His -3	-	EXPRESSION TAG
His -2	-	EXPRESSION TAG
His -1	-	EXPRESSION TAG
Gly 0	-	EXPRESSION TAG
Ser 1	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	36774.3
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	36798.6

*Water molecules are not included.