Abstract
The Harvey murine sarcoma virus genome contains two rat-derived sets of genetic information recombined with the Moloney mouse leukemia virus. The rat sequences represent a ras oncogene and a rat VL30 element. The VL30 sequences have several discrete regions of similarity with retroviral sequences which were detected by searching a protein database for similarities with predicted polypeptide sequences from the VL30 regions. On the 5' side, the most similar sequences were those of feline sarcoma viruses; on the 3' side, murine leukemia viruses were the most similar. Some of the regions of similarity could also be detected directly by searching a nucleic acid sequence database with the viral DNA sequences. The most extensive region of similarity was that which corresponded to the endonuclease in the pol gene of a murine leukemia virus. The majority of the rat-derived sequences present in the Harvey sarcoma virus genome can now be attributed exclusively to ras or retrovirus- or retrotransposon-related sequences.
MeSH Terms
Amino Acid Sequence
Animals
Base Sequence
DNA, Viral/genetics
Genes, Viral
Genes, ras
Harvey murine sarcoma virus/genetics
Leukemia Virus, Murine/genetics
Mice
Molecular Sequence Data
Rats
Retroviridae/genetics
Sarcoma Viruses, Murine/genetics
Viral Proteins/genetics
Chemicals
DNA, Viral
Viral Proteins
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Manly K F
Department of Cell and Molecular Biology, Roswell Park Memorial Institute, Buffalo, New York 14263.
Anderson G R
Stoler D L
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