AT-rich interactive domain-containing protein 3A is a protein that in humans is encoded by the ARID3A gene. [5] [6]
This gene encodes a member of the ARID (AT-rich interaction domain) family of DNA binding proteins. It was found by homology to the Drosophila dead ringer gene, which is important for normal embryogenesis. Other ARID family members have roles in embryonic patterning, cell lineage gene regulation, cell cycle control, transcriptional regulation, and possibly in chromatin structure modification. [6]
ARID3A has been shown to interact with:
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.
Transcriptional repressor CTCF also known as 11-zinc finger protein or CCCTC-binding factor is a transcription factor that in humans is encoded by the CTCF gene. CTCF is involved in many cellular processes, including transcriptional regulation, insulator activity, V(D)J recombination and regulation of chromatin architecture.
Cyclin-dependent kinase 2, also known as cell division protein kinase 2, or Cdk2, is an enzyme that in humans is encoded by the CDK2 gene. The protein encoded by this gene is a member of the cyclin-dependent kinase family of Ser/Thr protein kinases. This protein kinase is highly similar to the gene products of S. cerevisiae cdc28, and S. pombe cdc2, also known as Cdk1 in humans. It is a catalytic subunit of the cyclin-dependent kinase complex, whose activity is restricted to the G1-S phase of the cell cycle, where cells make proteins necessary for mitosis and replicate their DNA. This protein associates with and is regulated by the regulatory subunits of the complex including cyclin E or A. Cyclin E binds G1 phase Cdk2, which is required for the transition from G1 to S phase while binding with Cyclin A is required to progress through the S phase. Its activity is also regulated by phosphorylation. Multiple alternatively spliced variants and multiple transcription initiation sites of this gene have been reported. The role of this protein in G1-S transition has been recently questioned as cells lacking Cdk2 are reported to have no problem during this transition.
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.
Cell division control protein 6 homolog is a protein that in humans is encoded by the CDC6 gene.
Transcription factor E2F3 is a protein that in humans is encoded by the E2F3 gene.
Transcription factor E2F2 is a protein that in humans is encoded by the E2F2 gene.
Transformation/transcription domain-associated protein, also known as TRRAP, is a protein that in humans is encoded by the TRRAP gene. TRRAP belongs to the phosphatidylinositol 3-kinase-related kinase protein family.
Retinoblastoma-like 1 (p107), also known as RBL1, is a protein that in humans is encoded by the RBL1 gene.
Transcription factor Dp-1 is a protein that in humans is encoded by the TFDP1 gene.
DNA replication licensing factor MCM5 is a protein that in humans is encoded by the MCM5 gene.
Ubiquitin-like, containing PHD and RING finger domains, 1, also known as UHRF1, is a protein which in humans is encoded by the UHRF1 gene.
Lysine-specific demethylase 5A is an enzyme that in humans is encoded by the KDM5A gene.
Transcription factor E2F5 is a protein that in humans is encoded by the E2F5 gene.
AT-rich interactive domain-containing protein 3B is a protein that in humans is encoded by the ARID3B gene.
Apoptosis-stimulating of p53 protein 1 is a protein that in humans is encoded by the PPP1R13B gene.
Neural proliferation differentiation and control protein 1 is a protein that in humans is encoded by the NPDC1 gene.
Lin-9 homolog is a protein that is encoded by the LIN9 gene in humans.
ARID3A was identified as let-7 target. Let-7i repressed ARID3A expression by binding to the 3′ UTR of the ARID3A transcript. In the absence of let-7, importin-9 facilitates the nuclear import of ARID3A, which then forms a complex with ARID3B.
This article incorporates text from the United States National Library of Medicine, which is in the public domain.