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A nomenclature for restriction enzymes, DNA methyltransferases, homing endonucleases and their genes.
A nomenclature is described for restriction endonucleases, DNA methyltransferases, homing endonucleases and related genes and gene products. It provides explicit categories for the many differentExpand
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Biology of DNA restriction.
Our understanding of the evolution of DNA restriction and modification systems, the control of the expression of the structural genes for the enzymes, and the importance of DNA restriction in theExpand
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Type III restriction endonucleases translocate DNA in a reaction driven by recognition site‐specific ATP hydrolysis.
Type III restriction/modification systems recognize short non‐palindromic sequences, only one strand of which can be methylated. Replication of type III‐modified DNA produces completely unmethylatedExpand
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Characterization and mutational analysis of the RecQ core of the bloom syndrome protein.
Bloom syndrome protein forms an oligomeric ring structure and belongs to a group of DNA helicases showing extensive homology to the Escherichia coli DNA helicase RecQ, a suppressor of illegitimateExpand
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Subunit assembly and mode of DNA cleavage of the type III restriction endonucleases EcoP1I and EcoP15I.
DNA cleavage by type III restriction endonucleases requires two inversely oriented asymmetric recognition sequences and results from ATP-dependent DNA translocation and collision of two enzymeExpand
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Expression of regulatory nif genes in Rhodobacter capsulatus.
Translational fusions of the Escherichia coli lacZ gene to Rhodobacter capsulatus nif genes were constructed in order to determine the regulatory circuit of nif gene expression in R. capsulatus, aExpand
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Complex restriction enzymes: NTP-driven molecular motors.
Survival is assuredly the prime directive for all living organisms either as individuals or as a species. One of the main challenges encountered by bacterial populations is the danger ofExpand
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The Escherichia coli prr region encodes a functional type IC DNA restriction system closely integrated with an anticodon nuclease gene.
The prr locus was originally described as coding a ribonuclease that is activated after phage T4 infection to cut within the anticodon of a specific tRNA, inactivating protein synthesis and thusExpand
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Type III DNA restriction and modification systems EcoP1 and EcoP15. Nucleotide sequence of the EcoP1 operon, the EcoP15 mod gene and some EcoP1 mod mutants.
This paper presents the nucleotide sequence of the mod-res operon of phage P1, which encodes the two structural genes for the EcoP1 type III restriction and modification system. We have alsoExpand
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Basis for changes in DNA recognition by the EcoR124 and EcoR124/3 type I DNA restriction and modification enzymes.
EcoR124 and EcoR124/3 are type I DNA restriction and modification systems. The EcoR124/3 system arose from the EcoR124 system some 15 years ago and at the electron microscopic DNA heteroduplex levelExpand
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