4KGZ

The R state structure of E. coli ATCase with UTP and Magnesium bound

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Aspartate carbamoyltransferase	polymer	310	34337.1	2	UniProt (E8Y328) In PDB	Escherichia coli	Aspartate transcarbamylase
2	B, D	Aspartate carbamoyltransferase regulatory chain	polymer	153	17143.6	2	UniProt (E8Y329) In PDB	Escherichia coli
3	A, C	N-(PHOSPHONACETYL)-L-ASPARTIC ACID	non-polymer		255.1	2	Chemie (PAL)
4	B, D	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
5	B, D	URIDINE 5'-TRIPHOSPHATE	non-polymer		484.1	4	Chemie (UTP)
6	B, D	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
7		water	water		18.0	339	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	102961.5
Non-Polymers*	Number of molecules	10
	Total formula weight	2626.2
All*	Total formula weight	105587.7

*Water molecules are not included.