2E1Z

Crystal structure of Salmonella typhimurium propionate kinase (TdcD) in complex with diadenosine tetraphosphate (Ap4A) obtained after co-crystallization with ATP

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	189	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.