1KP2

Crystal Structure of E. coli Argininosuccinate Synthetase in Complex 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	argininosuccinate synthetase	polymer	455	50967.3	1	UniProt (P0A6E4) Pfam (PF00764) Pfam (PF20979) In PDB	Escherichia coli
2	A	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
3	A	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	1	Chemie (ATP)
4	A	GUANIDINE	non-polymer		59.1	1	Chemie (GAI)
5		water	water		18.0	286	Chemie (HOH)

Sequence modifications

A: 1 - 446 (UniProt: P0A6E4)

PDB	External Database	Details
Ser 447	-	expression tag
Val 448	-	expression tag
Glu 449	-	expression tag
His 450	-	expression tag
His 451	-	expression tag
His 452	-	expression tag
His 453	-	expression tag
His 454	-	expression tag
His 455	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	50967.3
Non-Polymers*	Number of molecules	5
	Total formula weight	851.2
All*	Total formula weight	51818.4

*Water molecules are not included.