IDENTIFICATION AND PURIFICATION OF A PEPTIDE SEGMENT OF THE BETA-GALACTOSIDASE OF ESCHERICHIA COLI BY COMPLEMENTATION IN VITRO

Abstract

The observations made in this report indicate that gene z contained at least two distinctive segments which determined the structure of different peptides whose association constituted the protomere of beta-galactosidase. Complementation studies in vivo have shown, among other things, that deletions with a feeble extension (M15 and 05) are weakly complementable with point mutants located between the markers G and 242. These observations suggested that the segment located between the operator and peptide 'omega' itself determined the structure of at least two distinctive peptides.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Jul 12, 1967
Accession Number
AD0840846

Entities

People

  • Agnes Ullmann
  • David Perrin
  • Francois Jacob
  • Jacques Monod

Organizations

  • United States Army Biological Warfare Laboratories

Tags

DTIC Thesaurus Topics

  • Bacteria
  • Biology
  • Buffers (Chemistry)
  • Column Chromatography
  • Escherichia Coli
  • Genetics
  • Government (Foreign)
  • Microbial Genetics
  • Molecular Biology
  • Molecular Weight
  • Molecules
  • Mutations
  • Nuclear Energy
  • Observation
  • Precipitates
  • Sedimentation

Readers

  • Chemistry (specifically Chemical Fluorescence)
  • Molecular Genetics
  • Systems Analysis and Design