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HIRA interacting protein 3
HIRIP3, HIRA-interacting protein 3
The HIRA protein shares sequence similarity with Hir1p and Hir2p, the two corepressors of histone gene transcription characterized in the yeast, Saccharomyces cerevisiae. The structural features of the HIRA protein suggest that it may function as part of a multiprotein complex. Several cDNAs encoding HIRA-interacting proteins, or HIRIPs, have been identified. In vitro, the protein encoded by this gene binds HIRA, as well as H2B and H3 core histones, indicating that a complex containing HIRA-HIRIP3 could function in some aspects of chromatin and histone metabolism. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene.[provided by RefSeq, Aug 2011] (from
Hahn et al., Seoul, South Korea. In Bioinformatics, 2011
Proteins with novel phosphorylation sites are involved in crucial biological processes such as cell division (AURKB, CASC5, MKI67 and PDCD4) and chromatin remodeling (HIRA, HIRIP3, HIST1H1T, NAP1L4 and LRWD1).
Lipinski et al., Villejuif, France. In Biochim Biophys Acta, 2001
We have previously reported that it directly interacts with core histones, with a novel histone-binding protein, HIRIP3, and during mouse embryogenesis, with the developmentally regulated homeodomain protein Pax3, suggesting a promoter-targeted function at the chromatin level.