4Z9I

Asp-TarS from E. coli

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)	Methyl-accepting chemotaxis protein II	polymer	196	22283.7	2	UniProt (P07017) Pfam (PF02203)	Escherichia coli (strain K12)	MCP-II,Aspartate chemoreceptor protein
2	C (B)	ASPARTIC ACID	non-polymer		133.1	1	Chemie (ASP)
3	D, E (A, B)	water	water		18.0	280	Chemie (HOH)

Sequence modifications

A, B: 26 - 193 (UniProt: P07017)

PDB	External Database	Details
Met -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Ser 1	-	expression tag
His 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
Ser 8	-	expression tag
Ser 9	-	expression tag
Gly 10	-	expression tag
Leu 11	-	expression tag
Val 12	-	expression tag
Pro 13	-	expression tag
Arg 14	-	expression tag
Gly 15	-	expression tag
Ser 16	-	expression tag
His 17	-	expression tag
Met 18	-	expression tag
Ala 19	-	expression tag
Ser 20	-	expression tag
Asp 21	-	expression tag
Asp 22	-	expression tag
Asp 23	-	expression tag
Asp 24	-	expression tag
Lys 25	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	44567.5
Non-Polymers*	Number of molecules	1
	Total formula weight	133.1
All*	Total formula weight	44700.6

*Water molecules are not included.