Hi Dibyangana

NCBI is a huge database where you can find whatever you're searching for.

for your request, test this link:

https://www.ncbi.nlm.nih.gov/search/all/?term=MMTV

all the best

fred

Thank you Frederic Lepretre . I’m going to back trace the protein sequence to get the nucleotide sequence and then design a primer set.

Nucleotide sequences are given in the propositions made by NCBI

fred