66188BECE5CAEA500B6EA8566E090D0F28B3FD3975EF405A95A41F3A804BAFBACB6EE63A9158F88B45091A2462C0E47E

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-384/66188BECE5CAEA500B6EA8566E090D0F28B3FD3975EF405A95A41F3A804BAFBACB6EE63A9158F88B45091A2462C0E47E