08D3977796CF8438B4EFE1939D5B734701F40EE7500D4EC5A8AC685A8DA5D3D573B63DF291AFD406928694214E00CE8A

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-384/08D3977796CF8438B4EFE1939D5B734701F40EE7500D4EC5A8AC685A8DA5D3D573B63DF291AFD406928694214E00CE8A