Nucleotide sequence of the herpes simplex virus type 2 thymidine kinase gene.
We have determined the complete nucleotide sequence of the thymidine kinase gene of herpes simplex virus (HSV) type 2 strain 333. The sequence of the thymidine kinase gene exhibits an open translational reading frame of 1,128 nucleotides encoding a protein of 376 amino acids. The DNA sequence was compared with that of the HSV type 1 thymidine kinase gene from strain MP (S. L. McKnight, Nucleic Acids Res. 8:5949-5964, 1980) and from strain CL 101 (M. J. Wagner, J. A. Sharp, and W. C. Summers, Proc. Natl. Acad. Sci. U.S.A. 78:1441-1445, 1981) to assess the extent of intra- and intertypic variation for one viral gene. The nucleotides encoding the structural gene varied 1.7% between the two HSV type 1 strains and 19% between HSV type 1 and HSV type 2, which translated to differences in the amino acid sequence of the two proteins of 1.9 and 27%, respectively. The DNA encoding the 5' regulatory sequences appeared to be more conserved than the DNA coding for the structural gene, and the DNA at the 3' end of the gene was the least homologous.[1]References
- Nucleotide sequence of the herpes simplex virus type 2 thymidine kinase gene. Swain, M.A., Galloway, D.A. J. Virol. (1983) [Pubmed]
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