Article
Analysis of conserved basic residues associated with DNA binding (Arg69) and catalysis (Lys76) by the RusA holliday junction resolvase.
Journal of molecular biology - 24 Nov 2000
Bolt E L, Sharples G J, Lloyd R G
Abstract excerpt
Holliday junctions are key intermediates in both homologous recombination and DNA repair, and are also formed from replication forks stalled at lesions in the template strands. Their resolution is critical for chromosome segregation and cell viability, and is mediated by a class of small, homodimeric endonucleases that bind the structure and cleave the DNA. All the enzymes studied require divalent metal ions for...
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