preferred_name: Transfer of ubiquitin from E1 to E2 (Caenorhabditis elegans)
preferred_name_lc: transfer of ubiquitin from e1 to e2 (caenorhabditis elegans)
label: Transfer of ubiquitin from E1 to E2 (Caenorhabditis elegans)
label_lc: transfer of ubiquitin from e1 to e2 (caenorhabditis elegans)