>sp|P52484|UBC21_CAEEL Ubiquitin-conjugating enzyme E2 21 OS=Caenorhabditis elegans GN=ubc-21 MSVSKLNKMQFSDKMSNLALARVTRKCKEVANASDITEAGIHVEIKENNLMDIKGFIKGP EGTPYAGGTFEIKVDIPEHYPFEPPKAKFVTRIWHPNISSQTGTICLDILKDKWTASLTL RTVLLSLQAMLCSPEPSDPQDAVVAKQFINNYPMFTATAVYWTSYFANSKKDVEPDFNRK VGRLIEMGIRETEAIVYLSCNNWKLEQALQFIFD