1R0C

Products in the T State of Aspartate Transcarbamylase: Crystal Structure of the Phosphate and N-carbamyl-L-aspartate Ligated Enzyme

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, G	Aspartate carbamoyltransferase catalytic chain	polymer	310	34337.1	2	UniProt (P0A786) Pfam (PF02729) Pfam (PF00185) In PDB	Escherichia coli	Aspartate transcarbamylase, ATCase
2	B, H	Aspartate carbamoyltransferase regulatory chain	polymer	153	17143.6	2	UniProt (P0A7F3) Pfam (PF01948) Pfam (PF02748) In PDB	Escherichia coli
3	A, G	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
4	A, G	N-CARBAMOYL-L-ASPARTATE	non-polymer		176.1	2	Chemie (NCD)
5	B, H	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
6		water	water		18.0	553	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	102961.5
Non-Polymers*	Number of molecules	6
	Total formula weight	673.0
All*	Total formula weight	103634.5

*Water molecules are not included.