Artifactual processing of penicillin-binding proteins 7 and 1b by the OmpT protease of Escherichia coli.

doi:10.1128/jb.176.1.256-259.1994

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Article

Artifactual processing of penicillin-binding proteins 7 and 1b by the OmpT protease of Escherichia coli.

Journal of bacteriology - 1 Jan 1994

Henderson T A, Dombrosky P M, Young K D

Abstract excerpt

Penicillin-binding proteins (PBPs) were visualized in strains of Escherichia coli that carried mutations in one or more of the following protease genes: tsp, degP, ptr, and ompT. In the absence of a functional ompT gene, PBPs 1b alpha and 7 were not processed to the shortened forms 1b beta and 8, respectively. Cleavage of PBPs 1b alpha and 7 could be restored by introduction of a plasmid carrying the wild-type...

Topics

Artifacts
Bacterial Proteins
Carrier Proteins
Escherichia coli
Hexosyltransferases
Muramoylpentapeptide Carboxypeptidase
Mutation
Penicillin-Binding Proteins
Penicillins
Peptidoglycan
Peptidyl Transferases
Protein Processing, Post-Translational
Serine Endopeptidases

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Identifiers

PMID: 8282705
DOI: 10.1128/jb.176.1.256-259.1994
PMCID: PMC205039

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