uba1.S( African Clawed Frog ) Entrez Gene 379877 Entrez Gene 379877 ubiquitin-like modifier activating enzyme 1 S homeolog Alias a1s9|a1s9t|a1st|amcx1|gxp1|poc20|smax2|uba1|uba1-a|uba1-b|uba1a|ube1|ube1x