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BORIS Testis-specific DNA binding protein responsible for insulator function, nuclear architecture and transcriptional control, which probably acts by recruiting epigenetic chromatin modifiers. Plays a key role in gene imprinting in male germline, by participating in the establishment of differential methylation at the IGF2/H19 imprinted control region (ICR). Directly binds the unmethylated H19 ICR and recruits the PRMT7 methyltransferase, leading to methylate histone H4 'Arg-3' to form H4R3sme2. This probably leads to recruit de novo DNA methyltransferases at these sites. Seems to act as tumor suppressor. In association with DNMT1 and DNMT3B, involved in activation of BAG1 gene expression by binding to its promoter. Required for dimethylation of H3 lysine 4 (H3K4me2) of MYC and BRCA1 promoters. Interacts with histones, PRMT7 and SETD1A. Interacts (via N-terminus) with BAG6/BAT3. Testis specific. Specifically expressed in primary spermatocytes. Belongs to the CTCF zinc-finger protein family. Note: This description may include information from UniProtKB.
Protein type: C2H2-type zinc finger protein; Cancer Testis Antigen (CTA); DNA-binding
Chromosomal Location of Human Ortholog: 20q13.31
Cellular Component: nucleus
Molecular Function: DNA binding; histone binding; protein binding; sequence-specific DNA binding
Biological Process: DNA methylation during gametogenesis; genetic imprinting; histone methylation; positive regulation of transcription from RNA polymerase II promoter; positive regulation of transcription, DNA-dependent; regulation of histone H3-K4 methylation
Reference #:  Q8NI51 (UniProtKB)
Alt. Names/Synonyms: BORIS-like protein; Brother of the regulator of imprinted sites; Cancer/testis antigen 27; CCCTC-binding factor; CCCTC-binding factor (zinc finger protein)-like; CT27; CTCF paralog; CTCF-like protein; CTCF-T; CTCFL; dJ579F20.2; HMG-1L1; HMGB1L1; MGC163358; MGC169105; MGC169106; putative high mobility group protein 1-like 1; putative high mobility group protein B1-like 1; Transcriptional repressor CTCFL; Zinc finger protein CTCF-T
Gene Symbols: CTCFL
Molecular weight: 75,747 Da
Basal Isoelectric point: 8.58  Predict pI for various phosphorylation states
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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Protein Structure Not Found.

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