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RBBP8
Anti-RBBP8 Recombinant Antibody Products
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For Research Use Only. Not For Clinical Use.
The protein encoded by this gene is a ubiquitously expressed nuclear protein. It is found among several proteins that bind directly to retinoblastoma protein, which regulates cell proliferation. This protein complexes with transcriptional co-repressor CTBP. It is also associated with BRCA1 and is thought to modulate the functions of BRCA1 in transcriptional regulation, DNA repair, and/or cell cycle checkpoint control. It is suggested that this gene may itself be a tumor suppressor acting in the same pathway as BRCA1. Three transcript variants encoding two different isoforms have been found for this gene. More transcript variants exist, but their full-length natures have not been determined.
Protein class
Disease related genes, Human disease related genes, Plasma proteins
Predicted location
Intracellular
Single cell type specificity
Cell type enhanced (Basal respiratory cells, Spermatocytes)
Immune cell specificity
Immune cell enhanced (non-classical monocyte)
Cell line specificity
Low cell line specificity
Interaction
Homodimer; dimerizes via the coiled coil domain (PubMed:15084581). Interacts (via the PXDLS motif) with CTBP1; the interaction is disrupted via binding of the adenovirus E1A to CTBP1 (PubMed:9535825). Component of the BRCA1-RBBP8 complex. Interacts (the Ser-327 phosphorylated form) with BRCA1 (via the C-terminal BRCA1 domains): the interaction occurs in the G2 phase, ubiquitinates RBBP8 and involves RBBP8 in BRCA1-dependent G2/M checkpoint control on DNA damage (PubMed:10764811, PubMed:15485915, PubMed:16818604, PubMed:17965729, PubMed:23623683). Interacts with RB1 (PubMed:9721205). Interacts with the MRN complex. Interacts directly with MRE11; the interaction is required for efficient homologous recombination (HR) and regulation of the MRN complex (PubMed:19759395, PubMed:23623683). Interacts directly with RAD50 (PubMed:19759395). Interacts directly with NBN (PubMed:19759395). Interacts with LM04 (via the LIM zinc-binding 1 domain) (PubMed:11751867). Interacts with SIAH1 (PubMed:14654780). Interacts with RNF138 (PubMed:26502057). Interacts with EXD2 (PubMed:26807646). Interacts with CUL3 and KLHL15; this interaction leads to RBBP8 proteasomal degradation (PubMed:27561354). Directly interacts with PIN1; this interaction depends upon RBBP8 phosphorylation, predominantly at Thr-315 (PubMed:23623683). Interacts with FZR1; this interaction leads to APC/C-mediated RBBP8 proteasomal degradation (PubMed:25349192). Interacts with AUNIP; leading to recruit RBBP8 to sites of DNA damage (PubMed:29042561, PubMed:10764811, PubMed:11751867, PubMed:14654780, PubMed:15084581, PubMed:15485915, PubMed:16818604, PubMed:17965729, PubMed:19759395, PubMed:23623683, PubMed:25349192, PubMed:26502057, PubMed:26807646, PubMed:27561354, PubMed:9535825, PubMed:9721205). Interacts with SAMHD1 (PubMed:28834754). Interacts with HDGFL2 (PubMed:26721387).
Molecular function
DNA-binding, Endonuclease, Hydrolase, Nuclease
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