4ISW

Crystal Structure of Phosphorylated C.elegans Thymidylate Synthase in Complex with dUMP

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)	Thymidylate synthase	polymer	315	35935.9	2	UniProt (Q9Y052) Pfam (PF00303)	Caenorhabditis elegans (nematode)
2	C, D (A, B)	2'-DEOXYURIDINE 5'-MONOPHOSPHATE	non-polymer		308.2	2	Chemie (UMP)
3	E, F (A, B)	water	water		18.0	71	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71871.8
Non-Polymers*	Number of molecules	2
	Total formula weight	616.4
All*	Total formula weight	72488.1

*Water molecules are not included.