9EEK

Cryo-EM model of E. coli aspartate transcarbamoylase in the ligand-free T-state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (I, H, D, E, J...)	Aspartate carbamoyltransferase regulatory chain	polymer	153	17143.6	6	UniProt (C3SF57)	Escherichia coli
2	G, H, I, J, K... (F, K, A, G, B...)	Aspartate carbamoyltransferase	polymer	310	34337.1	6	UniProt (C3SF53)	Escherichia coli	Aspartate transcarbamylase,ATCase
3	M, N, O, P, Q... (I, H, D, E, J...)	ZINC ION	non-polymer		65.4	6	Chemie (ZN) PubChem (32051)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	308884.4
Non-Polymers*	Number of molecules	6
	Total formula weight	392.5
All*	Total formula weight	309276.8

*Water molecules are not included.