IUUC-Cel-018653 WBGene00004807 G5ECU1 skr-1; F46A9.5 Caenorhabditis elegans IUUC-Cel-018484 WBGene00004808 G5EDD8 skr-2; CELE_F46A9.4; F46A9.4 Caenorhabditis elegans