1E2H

The nucleoside binding site of Herpes simplex type 1 thymidine kinase analyzed by X-ray crystallography

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	THYMIDINE KINASE	polymer	331	35779.1	2	UniProt (P03176) Pfam (PF00693) UniProt (by SIFTS) (P0DTH5) In PDB	HERPES SIMPLEX VIRUS (TYPE 1 / STRAIN 17)
2	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3		water	water		18.0	276	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71558.2
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	71750.3

*Water molecules are not included.