. _:vb50935239 "2"^^ . . _:vb50935239 . . "amino acid polymer"@en . _:vb50935239 ":arcc045b682" . _:vb50935239 . _:vb50935239 . "an amino acid polymer is an organic polymer composed of two or more amino acid residues."@en . _:vb50935239 . _:vb50935239 . . "SIO_001427" .