3W34

Ternary complex of Thermus thermophilus HB8 uridine-cytidine kinase with substrates

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Uridine kinase	polymer	211	23709.7	2	UniProt (Q5SKR5) Pfam (PF00485)	Thermus thermophilus	Cytidine monophosphokinase, Uridine monophosphokinase
2	C, E (A, B)	4-AMINO-1-BETA-D-RIBOFURANOSYL-2(1H)-PYRIMIDINONE	non-polymer		243.2	2	Chemie (CTN)
3	D, F (A, B)	PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER	non-polymer		505.2	2	Chemie (ACP)
4	G, H (A, B)	water	water		18.0	201	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	47419.4
Non-Polymers*	Number of molecules	4
	Total formula weight	1496.9
All*	Total formula weight	48916.3

*Water molecules are not included.