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This gene encodes a member of the ASPP family of p53 interacting proteins. The protein contains four ankyrin repeats and an SH3 domain involved in protein-protein interactions. ASPP proteins are required for the induction of apoptosis by p53-family proteins. They promote DNA binding and transactivation of p53-family proteins on the promoters of proapoptotic genes. Expression of this gene is regulated by the E2F transcription factor.
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Protein Aliases: Apoptosis-stimulating of p53 protein 1; apoptosis-stimulating protein of p53, 1; Protein phosphatase 1 regulatory subunit 13B; protein phosphatase 1, regulatory (inhibitor) subunit 13B; protein phosphatase 1, regulatory subunit 13B
Gene Aliases: ASPP1; KIAA0771; p53BP2-like; p85; PPP1R13B
UniProt ID: (Human) Q96KQ4
Entrez Gene ID: (Human) 23368
Molecular Function: protein-binding activity modulator