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RBL1
Anti-RBL1 Recombinant Antibody Products
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For Research Use Only. Not For Clinical Use.
The protein encoded by this gene is similar in sequence and possibly function to the product of the retinoblastoma 1 (RB1) gene. The RB1 gene product is a tumor suppressor protein that appears to be involved in cell cycle regulation, as it is phosphorylated in the S to M phase transition and is dephosphorylated in the G1 phase of the cell cycle. Both the RB1 protein and the product of this gene can form a complex with adenovirus E1A protein and SV40 large T-antigen, with the SV40 large T-antigen binding only to the unphosphorylated form of each protein. In addition, both proteins can inhibit the transcription of cell cycle genes containing E2F binding sites in their promoters. Due to the sequence and biochemical similarities with the RB1 protein, it is thought that the protein encoded by this gene may also be a tumor suppressor. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
Protein class
Cancer-related genes, Plasma proteins
Predicted location
Intracellular, Membrane (different isoforms)
Single cell type specificity
Cell type enhanced (Erythroid cells, Inhibitory neurons)
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Component of the DREAM complex (also named LINC complex) at least composed of E2F4, E2F5, LIN9, LIN37, LIN52, LIN54, MYBL1, MYBL2, RBL1, RBL2, RBBP4, TFDP1 and TFDP2 (PubMed:17671431, PubMed:16360038). The complex exists in quiescent cells where it represses cell cycle-dependent genes (PubMed:17671431). It dissociates in S phase when LIN9, LIN37, LIN52 and LIN54 form a subcomplex that binds to MYBL2 (PubMed:17671431). Interacts with AATF (PubMed:12450794). Interacts with KDM5A (PubMed:7935440). Interacts with KMT5B and KMT5C (By similarity). Interacts with USP4 (By similarity). Interacts with RBBP9 (By similarity). (Microbial infection) Interacts with SV40 and JC virus large T antigens. Large T antigen, but not E1A, binds only to the unphosphorylated form. (Microbial infection) Interacts with JC virus small t antigen.
Molecular function
Chromatin regulator, Repressor
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