Lac repressor. Specific proteolytic destruction of the NH 2 -terminal region and loss of the deoxyribonucleic acid-binding activity.

Amino Acid Sequence Bacterial Proteins/analysis,isolation & purification Binding Sites Carbon Isotopes Carboxypeptidases Chemical Phenomena Chemistry Chromatography, Ion Exchange Chymotrypsin Cyanogen Bromide DNA, Bacterial Escherichia coli Galactose Genes, Regulator Glycosides Lactose Macromolecular Substances Molecular Weight Operon Peptides/analysis,isolation & purification Protein Binding Protein Denaturation Subtilisins Sulfides Trypsin

Bacterial Proteins Carbon Isotopes DNA, Bacterial Glycosides Macromolecular Substances Peptides Sulfides Carboxypeptidases Subtilisins Chymotrypsin Trypsin Lactose Cyanogen Bromide Galactose