8518DCB8B49C653B3F09613D61CDD69B15FA66AFBE28193758D7FA21339898DDA21782A4344970056CB7D7579AB9E71C

It is probably concentrated at the site of budding and incorporated into the virions possibly by contacts between the cytoplasmic tail of Env and the N-terminus of Gag (By similarity).

Source:http://purl.uniprot.org/SHA-384/8518DCB8B49C653B3F09613D61CDD69B15FA66AFBE28193758D7FA21339898DDA21782A4344970056CB7D7579AB9E71C