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Protein Domain : CGG triplet repeat-binding protein 1

Primary Identifier  IPR033375 Type  Family
Short Name  Cggbp1
description  CGG triplet repeat-binding protein 1 (CGGBP1) is a repetitive DNA-binding transcription regulator with target sites at CpG-rich sequences such as CGG repeats and Alu-SINEs and L1-LINEs []. CGGBP1 mitigates cytosine methylation at repetitive DNA sequences []. It also functions in DNA damage/repair and telomere metabolism []. There are indications that it may be involved in mRNA metabolism []. CGGBP1 ensures CTCF occupancy preferentially on repeats over canonical CTCF motifs, being a regulator of CTCF and its binding sites in interspersed repeats [].CGGBP1/p20 is known to bind to nonmethylated 5'-d(CGG)(n)-3' trinucleotide repeats in the in the promoter of the fragile X messenger ribonucleoprotein 1 (FMR1/FMRP) gene [, ], although it seems not to have a direct effect on FMR1 transcription [].

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1 Protein Domain Regions