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SUMO2 | Small ubiquitin-related modifier 2; Ubiquitin-like protein that can be covalently attached to proteins as a monomer or as a lysine-linked polymer. Covalent attachment via an isopeptide bond to its substrates requires prior activation by the E1 complex SAE1-SAE2 and linkage to the E2 enzyme UBE2I, and can be promoted by an E3 ligase such as PIAS1-4, RANBP2, CBX4 or ZNF451. This post-translational modification on lysine residues of proteins plays a crucial role in a number of cellular processes such as nuclear transport, DNA replication and repair, mitosis and signal transduction. Polyme [...] (95 aa) | ||||
OXSR1 | Serine/threonine-protein kinase OSR1; Phosphorylates RELL1, RELL2 and RELT. Phosphorylates PAK1. Phosphorylates PLSCR1 in the presence of RELT. Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. STE20 subfamily. (527 aa) |