4IQB

High Resolution Crystal Structure of C.elegans Thymidylate Synthase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Thymidylate synthase	polymer	315	35855.9	2	UniProt (Q9Y052) Pfam (PF00303) In PDB	Caenorhabditis elegans (nematode)
2	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3		water	water		18.0	942	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71711.8
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	71903.9

*Water molecules are not included.