Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC42185/ Phosphorylation of ubiquitin-activating enzyme in cultured cells - PMC Ubiquitin-activating enzyme, E1, is the first enzyme in the pathway leading to formation of ubiquitin-protein conjugates. E1 exists as two isoforms in human... ubiquitin activating enzymecultured cellsphosphorylationpmc https://www.ncbi.nlm.nih.gov/Structure/pdb/3H8V 3H8V: Human Ubiquitin-activating Enzyme 5 in Complex with ATP Ubiquitin-like modifier-activating enzyme 5ADENOSINE-5'-TRIPHOSPHATEZINC ION ubiquitin activating enzymehuman5complexatp https://www.ncbi.nlm.nih.gov/gene/79876 UBA5 ubiquitin like modifier activating enzyme 5 [Homo sapiens (human)] - Gene - NCBI