2.3.2.26 HECT-type E3 ubiquitin transferase hTERT-RPE1 cell - 2.7.11.1 non-specific serine/threonine protein kinase hTERT-RPE1 cell - 2.7.11.21 polo kinase hTERT-RPE1 cell - 5.6.2.3 DNA 5'-3' helicase hTERT-RPE1 cell -