Localization of Ribosomal Protein L27 at the Peptidyl Transferase Centre of the 50 S Subunit, As Determined by Immuno-electron Microscopy

Overview

Journal Mol Gen Genet

Specialties Genetics
Molecular Biology

Date 1987 Dec 1

PMID 3123891

Citations 3

Authors

M Lotti

M Stoffler-Meilicke

G Stoffler

Affiliations

Soon will be listed here.

Abstract

Protein L27 has been localized on the ribosomal surface by immuno-electron microscopy by using antibodies specific for Escherichia coli L27, and by reconstituting 50 S subunits from an E. coli mutant, which lacks protein L27, with the homologous protein from Bacillus subtilis and using antibodies specific for the B. subtilis protein. With both approaches, protein L27 has been located at the base of the central protuberance at the interface side of the 50 S particle and thus in proximity to the peptidyl transferase centre. The immuno-electron microscopic data also suggest that the interface region of the 50 S particle is not as flat as most of the proposed three-dimensional models suggest, but instead there is a significant depression.

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