ubiquitin like modifier activating enzyme 1
UBE1X, POC20, CFAP124
ubiquitin-activating enzyme E1 (A1S9T and BN75 temperature sensitivity complementing), "ubiquitin-activating enzyme E1", "ubiquitin-like modifier activating enzyme 1"
UBA1, ubiquitin-activating enzyme E1 homolog (yeast), "POC20 centriolar protein homolog (Chlamydomonas)"