CCNDBP1 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Aliases | CCNDBP1 , DIP1, GCIP, HHM, cyclin D1 binding protein 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||
External IDs | OMIM: 607089 MGI: 109595 HomoloGene: 7826 GeneCards: CCNDBP1 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Wikidata | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Cyclin-D1-binding protein 1 is a protein that in humans is encoded by the CCNDBP1 gene. [5] [6]
This gene was identified by the interaction of its gene product with Grap2, a leukocyte-specific adaptor protein important for immune cell signaling. The protein encoded by this gene was shown to interact with cyclin D. Transfection of this gene in cells was reported to reduce the phosphorylation of Rb gene product by cyclin D-dependent protein kinase, and inhibit E2F1-mediated transcription activity. This protein was also found to interact with helix-loop-helix protein E12 and is thought to be a negative regulator of liver-specific gene expression. Two alternatively spliced variants, which encode distinct isoforms, have been reported. [6]
CCNDBP1 has been shown to interact with GRAP2 [7] and Cyclin D1. [5]
E2F is a group of genes that encodes a family of transcription factors (TF) in higher eukaryotes. Three of them are activators: E2F1, 2 and E2F3a. Six others act as suppressors: E2F3b, E2F4-8. All of them are involved in the cell cycle regulation and synthesis of DNA in mammalian cells. E2Fs as TFs bind to the TTTCCCGC consensus binding site in the target promoter sequence.
Cyclin D is a member of the cyclin protein family that is involved in regulating cell cycle progression. The synthesis of cyclin D is initiated during G1 and drives the G1/S phase transition. Cyclin D protein is anywhere from 155 to 477 amino acids in length.
Probable phospholipid-transporting ATPase IC is an enzyme that in humans is encoded by the ATP8B1 gene. This protein is associated with progressive familial intrahepatic cholestasis type 1 as well as benign recurrent intrahepatic cholestasis.
Transcription factor E2F1 is a protein that in humans is encoded by the E2F1 gene.
Retinoblastoma-like protein 2 is a protein that in humans is encoded by the RBL2 gene.
Transcription factor E2F4 is a protein that in humans is encoded by the E2F4 gene.
Transcription factor E2F3 is a protein that in humans is encoded by the E2F3 gene.
Cyclin-A2 is a protein that in humans is encoded by the CCNA2 gene. It is one of the two types of cyclin A: cyclin A1 is expressed during meiosis and embryogenesis while cyclin A2 is expressed in the mitotic division of somatic cells.
Retinoblastoma-like 1 (p107), also known as RBL1, is a protein that in humans is encoded by the RBL1 gene.
GRB2-related adapter protein 2 also known as GRB2-related adaptor downstream of Shc (GADS) is a 37 kDa protein that in humans is encoded by the GRAP2 gene.
Transcription factor E2F5 is a protein that in humans is encoded by the E2F5 gene.
Hepatitis B virus X-interacting protein is a protein that in humans is encoded by the HBXIP gene.
Apoptosis-stimulating of p53 protein 1 is a protein that in humans is encoded by the PPP1R13B gene.
DNA-binding protein RFX2 is a protein that in humans is encoded by the RFX2 gene.
Aryl hydrocarbon receptor nuclear translocator 2 is a protein that in humans is encoded by the ARNT2 gene.
Homeobox protein Meis2 is a protein that in humans is encoded by the MEIS2 gene.
Carbohydrate-responsive element-binding protein (ChREBP) also known as MLX-interacting protein-like (MLXIPL) is a protein that in humans is encoded by the MLXIPL gene. The protein name derives from the protein's interaction with carbohydrate response element sequences of DNA.
Transcription factor RFX4 is a protein that in humans is encoded by the RFX4 gene.
Transmembrane protein 98 is a single-pass membrane protein that in humans is encoded by the TMEM98 gene. The function of this protein is currently unknown. TMEM98 is also known as UNQ536/PRO1079.
The retinoblastoma protein is a tumor suppressor protein that is dysfunctional in several major cancers. One function of pRb is to prevent excessive cell growth by inhibiting cell cycle progression until a cell is ready to divide. When the cell is ready to divide, pRb is phosphorylated, inactivating it, and the cell cycle is allowed to progress. It is also a recruiter of several chromatin remodeling enzymes such as methylases and acetylases.