2E20

Crystal structure of Salmonella typhimurium propionate kinase (TdcD) in complex with diadenosine tetraphosphate (Ap4A)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Propionate Kinase	polymer	415	45246.4	1	UniProt (O06961) Pfam (PF00871)	Salmonella typhimurium
2	B (A)	BIS(ADENOSINE)-5'-TETRAPHOSPHATE	non-polymer		836.4	1	Chemie (B4P)
3	C (A)	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
4	D (A)	water	water		18.0	152	Chemie (HOH)

Sequence modifications

A: 2 - 402 (UniProt: O06961)

PDB	External Database	Details
Met -12	-	expression tag
Arg -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
Gly -2	-	expression tag
Met -1	-	expression tag
Ala 0	-	expression tag
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	45246.4
Non-Polymers*	Number of molecules	2
	Total formula weight	898.5
All*	Total formula weight	46144.9

*Water molecules are not included.