Source:http://linkedlifedata.com/resource/umls/id/C1325725
GO: A complex of the retrotransposon RNA genome, reverse transcriptase, integrase, and associated molecules required for reproduction and integration of the retrotransposon into the host genome; the main structural molecule of the nucleocapsid is often a gag protein homolog. [GOC:clt, PMID:10861903],NCI: Non-infectious particle(s) derived from viral structural proteins. These particles are used as vaccines to stimulate a host immune response against the virus that the particles were derived from.