The feline Leukemia virus env gene (FeLV-env) encodes a
glycoprotein. The FeLV-env is used together with the nucleoprotein
(FeLV-gag) and reverse transcriptase (FeLV-pol) genes of the feline
leukemia virus in a vaccine. The FeLV-env gene induces the
production of anti-viral antibodies helping to prevent the disease
in cats.
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