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SPRTN is a regulator of UV-induced DNA damage response: acts as a 'reader' of ubiquitinated PCNA that enhances RAD18-mediated PCNA ubiquitination and translesion DNA synthesis. SPRTN is recruited to sites of UV damage and interacts with ubiquitinated PCNA and RAD18, the E3 ubiquitin ligase that monoubiquitinates PCNA. It facilitates chromatin association of RAD18 and is required for efficient PCNA monoubiquitination, promoting a feed-forward loop to enhance PCNA ubiquitination and translesion DNA synthesis. It is also required for localization of DNA polymerase eta (POLH) to sites of UV damage.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: DDDL1880; dJ876B10.3; DNA damage protein targeting VCP; DNA damage-targeting VCP (p97) adaptor; DNA-dependent metalloprotease SPRTN; DVC1; Protein with SprT-like domain at the N terminus; Spartan; sprT-like domain-containing protein Spartan; zinc finger RAD18 domain-containing protein
Gene Aliases: C1orf124; DVC1; Gm505; PRO4323; RGD1559496; spartan; SPRTN; UNQ1880/PRO4323
UniProt ID: (Human) Q9H040, (Mouse) G3X912, (Rat) D3ZVU1
Entrez Gene ID: (Human) 83932, (Mouse) 244666, (Rat) 292101
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