Article
Evidence for an evolutionary relationship among type-II restriction endonucleases.
Gene - 4 Jul 1995
Jeltsch A, Kröger M, Pingoud A
Abstract excerpt
Type-II restriction-modification (R-M) systems comprise two enzymes, a DNA methyltransferase (MTase) and a restriction endonuclease (ENase), each of which specifically interact with the same 4-8 bp sequence. All type-II MTases share several amino acid (aa) sequence motifs, which makes an evolutionary relatedness among these enzymes probable. The type-II ENases, in contrast, except for some homologous...
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