1KI4

CRYSTAL STRUCTURE OF THYMIDINE KINASE FROM HERPES SIMPLEX VIRUS TYPE I COMPLEXED WITH 5-BROMOTHIENYLDEOXYURIDINE

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)	TK
2	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	A, B	5-BROMOTHIENYLDEOXYURIDINE	non-polymer		389.2	2	Chemie (BTD)
4		water	water		18.0	263	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71558.2
Non-Polymers*	Number of molecules	4
	Total formula weight	970.6
All*	Total formula weight	72528.7

*Water molecules are not included.