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TBF1 | Transcription factor TBF1; Essential transcriptional activator that binds the telomeric double-stranded TTAGGG repeat and negatively regulates telomere length. Involved in the regulation of gene expression. Bind both the promoters of ribosomal protein genes and the rDNA locus and activates transcription at these loci. Recruits FHL1 and IFH1 to promoters. (886 aa) | ||||
SLX1 | Structure-specific endonuclease subunit SLX1; Catalytic subunit of the SLX1-SLX4 structure-specific endonuclease that resolves DNA secondary structures generated during DNA repair and recombination. Has endonuclease activity towards branched DNA substrates, introducing single-strand cuts in duplex DNA close to junctions with ss-DNA. (286 aa) | ||||
MUS81 | Crossover junction endonuclease MUS81; Interacts with EME1 to form a DNA structure-specific endonuclease with substrate preference for branched DNA structures with a 5'-end at the branch nick. Typical substrates include 3'-flap structures, D-loops, replication forks and nicked Holliday junctions. May be required in mitosis for the processing of stalled or collapsed replication fork intermediates. May be required in meiosis for the repair of meiosis-specific double strand breaks subsequent to single- end invasion (SEI) (By similarity); Belongs to the XPF family. (614 aa) | ||||
RAD50 | MRX complex DNA-binding subunit. (1332 aa) |