1AN5

E. COLI THYMIDYLATE SYNTHASE IN COMPLEX WITH CB3717

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	265	30543.7	2	UniProt (P0A884) Pfam (PF00303) In PDB	Escherichia coli	TS, THYMIDYLATE SYNTHETASE
2	A, B	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3	A, B	10-PROPARGYL-5,8-DIDEAZAFOLIC ACID	non-polymer		477.5	2	Chemie (CB3)
4		water	water		18.0	172	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	61087.3
Non-Polymers*	Number of molecules	4
	Total formula weight	1144.9
All*	Total formula weight	62232.2

*Water molecules are not included.