Abstract:
:Nucleotide sequencing studies (D. J. McGeoch, A. Dolan, S. Donald, and F. Rixon, 1985, J. Mol. Biol. 181, 1-14) have indicated that herpes simplex virus type 1 (HSV-1) has a coding sequence, referred to as US7, between the genes for the glycoproteins D and E (gD and gE). Northern blot analysis and nucleotide sequencing have been carried out to show that the type 2 virus (HSV-2) has an equivalent to the US7 gene. A comparison with the HSV-1 sequence has revealed some surprising similarities and differences. At the nucleotide level, HSV-2 has inserted a large sequence into the gE promoter, retained a large palindrome present in the coding sequence but not some tandem repeats, and deleted a region beside those repeats. At the amino acid level, the putative transmembrane sequence has been remarkably well conserved, and hydrophobic moment analysis indicates that it could be interacting with polar species within the plane of the membrane. Immediately after the deletion in the HSV-2 sequence, there is an N-glycosylation signal, and HSV-2 has one more such signal than HSV-1. The longest conserved sequence at the nucleotide level codes for a region of polypeptide that is strongly predicted to fold into alpha-helix. Implications of these analyses to the structure and possible function of these molecules are discussed.
journal_name
Virologyjournal_title
Virologyauthors
Hodgman TC,Minson ACdoi
10.1016/0042-6822(86)90002-4subject
Has Abstractpub_date
1986-08-01 00:00:00pages
1-11issue
1eissn
0042-6822issn
1096-0341journal_volume
153pub_type
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