6PK4

cryoEM structure of the substrate-bound human CTP synthase 2 filament

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 (A, B, C, D)	CTP synthase 2	polymer	586	65759.4	4	UniProt (Q9NRF8) Pfam (PF06418) Pfam (PF00117)	Homo sapiens (Human)	CTP synthetase 2,UTP--ammonia ligase 2
2	E, G, I, K (A, B, C, D)	URIDINE 5'-TRIPHOSPHATE	non-polymer		484.1	4	Chemie (UTP)
3	F, H, J, L (A, B, C, D)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	4	Chemie (ATP)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	263037.7
Non-Polymers*	Number of molecules	8
	Total formula weight	3965.3
All*	Total formula weight	267003.0

*Water molecules are not included.