R Factor-Controlled Restriction and Modification of Deoxyribonucleic Acid: Restriction Mutants

Genetics of host-controlled restriction and modification of deoxyribonucleic acid in Escherichia coli.

Lederberg, Seymour (Brown University, Providence, R.I.). Genetics of host-controlled restriction and modification of deoxyribonucleic acid in Escherichia coli. J. Bacteriol. 91:1029-1036. 1966.-The locus for the host specific restriction and modification of deoxyribonucleic acid in Escherichia coli has been mapped by matings between mutants for these characters in strains K-12, C600, and B. Lin...

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Scale Efficiency in DEA and DEA-R with Weight Restriction

In data envelopment analyze (DEA) the scale efficiency in the input-oriented CCR model is less than or equal to the scale efficiency in DEA based on the fractional analysis (DEA-R). Also, the scale efficiency in case of multiple inputs and one output and vice versa the scale efficiencies are equal in DEA and DEA-R. In this paper, first, DEA-R model with weight restrictions when there is relativ...

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The Deoxyribonucleic Acid Modification and Restriction Enzymes of Escherichia coli B II. PURIFICATION, SUBUNIT STRUCTURE, AND CATALYTIC PROPERTIES OF THE RESTRICTION ENDONUCLEASE*

The restriction endonuclease of Escherichia coli B has been purified and is free of nonspecific endonuclease. On sucrose gradients it sediments in a broad band with an sqO,W of 11 through 18. As judged by polyacrylamide gel electrophoresis the enzyme exists in at least two active forms, each of which possess three nonidentical polypeptides, (Y, /3, and y, of molecular weights 135,000,60,000, an...

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The Deoxyribonucleic Acid Modification and Restriction Enzymes of Escherichia coli B II. PURIFICATION, SUBUNIT STRUCTURE, AND CATALYTIC PROPERTIES OF THE RESTRICTION ENDONUCLEASE*

The restriction endonuclease of Escherichia coli B has been purified and is free of nonspecific endonuclease. On sucrose gradients it sediments in a broad band with an sqO,W of 11 through 18. As judged by polyacrylamide gel electrophoresis the enzyme exists in at least two active forms, each of which possess three nonidentical polypeptides, (Y, /3, and y, of molecular weights 135,000,60,000, an...

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The deoxyribonucleic acid modification and restriction enzymes of Escherichia coli B. II. Purification, subunit structure, and catalytic properties of the restriction endonuclease.

The restriction endonuclease of Escherichia coli B has been purified and is free of nonspecific endonuclease. On sucrose gradients it sediments in a broad band with an sqO,W of 11 through 18. As judged by polyacrylamide gel electrophoresis the enzyme exists in at least two active forms, each of which possess three nonidentical polypeptides, (Y, /3, and y, of molecular weights 135,000,60,000, an...

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R Factor-Controlled Restriction and Modification of Deoxyribonucleic Acid: Restriction Mutants

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Genetics of host-controlled restriction and modification of deoxyribonucleic acid in Escherichia coli.

Scale Efficiency in DEA and DEA-R with Weight Restriction

The Deoxyribonucleic Acid Modification and Restriction Enzymes of Escherichia coli B II. PURIFICATION, SUBUNIT STRUCTURE, AND CATALYTIC PROPERTIES OF THE RESTRICTION ENDONUCLEASE*

The Deoxyribonucleic Acid Modification and Restriction Enzymes of Escherichia coli B II. PURIFICATION, SUBUNIT STRUCTURE, AND CATALYTIC PROPERTIES OF THE RESTRICTION ENDONUCLEASE*

The deoxyribonucleic acid modification and restriction enzymes of Escherichia coli B. II. Purification, subunit structure, and catalytic properties of the restriction endonuclease.

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