8SBR

E coli. CTP synthase in complex with CTP (sodium malonate + 20 mM MgCl2)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	CTP synthase	polymer	545	60447.0	2	UniProt (B7MLA1) Pfam (PF06418) Pfam (PF00117) UniProt (by SIFTS) (P0A7E5) In PDB	Escherichia coli	Cytidine 5'-triphosphate synthase, Cytidine triphosphate synthetase, CTPS, UTP--ammonia ligase
2	A, B	MALONIC ACID	non-polymer		104.1	2	Chemie (MLA)
3	A	CYTIDINE-5'-TRIPHOSPHATE	non-polymer		483.2	2	Chemie (CTP)
4		water	water		18.0	138	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	120894.0
Non-Polymers*	Number of molecules	4
	Total formula weight	1174.4
All*	Total formula weight	122068.4

*Water molecules are not included.