Ubiquitin-conjugating enzyme E2 2

UniProtKB accession:  P35129

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UniProtKB description:  Catalyzes the covalent attachment of ubiquitin to other proteins (By similarity). Mediates the selective degradation of short-lived and abnormal proteins (PubMed:16628214). Plays a role in the DNA damage response (PubMed:16628214). In particular, in response to ionizing radiation, associates with the E3 ubiquitin-protein ligase brc-1-brd-1 heterodimer on chromatin to activate E3-ubiquitin ligase activity of the heterodimer, and thus its DNA damage repair mechanisms (PubMed:16628214). Required, cell autonomously, for death of the linker cell, a male-specific cell which guides the elongation of the gonad; perhaps acting as part of the ubiquitin proteasome system (UPS) and modulated by heat shock transcription factor hsf-1 (PubMed:26952214).