8PY1

Sensor domain of Asticcacaulis benevestitus chemoreceptor in complex with formate.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (A, B, C)	Methyl-accepting chemotaxis protein	polymer	184	19830.2	3	UniProt (V4PJJ2) Pfam (PF17201)	Asticcacaulis benevestitus
2	D, F, G (A, B, C)	FORMIC ACID	non-polymer		46.0	3	Chemie (FMT)
3	E, H (A, C)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4	I, J, K (A, B, C)	water	water		18.0	105	Chemie (HOH)

Sequence modifications

A, B, C: 35 - 196 (UniProt: V4PJJ2)

PDB	External Database	Details
Met 13	-	initiating methionine
Met 14	-	expression tag
Gly 15	-	expression tag
Ser 16	-	expression tag
Ser 17	-	expression tag
His 18	-	expression tag
His 19	-	expression tag
His 20	-	expression tag
His 21	-	expression tag
His 22	-	expression tag
His 23	-	expression tag
Ser 24	-	expression tag
Ser 25	-	expression tag
Gly 26	-	expression tag
Leu 27	-	expression tag
Val 28	-	expression tag
Pro 29	-	expression tag
Arg 30	-	expression tag
Gly 31	-	expression tag
Ser 32	-	expression tag
His 33	-	expression tag
Met 34	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	59490.5
Non-Polymers*	Number of molecules	5
	Total formula weight	330.2
All*	Total formula weight	59820.7

*Water molecules are not included.