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Home Browse Genes Browse Mutations Download Collaborators About

Browse Mutations pbp1aS543N

penicillin-binding protein 1A

Protein ChangeS543N

Validation StatusCandidate

Databases

Reslit

Overview

Resistance To: ampicillin
Organisms: Helicobacter pylori
Papers: 1

Paper Information1

1

Antimicrobial susceptibility of Canadian isolates of Helicobacter pylori in Northeastern Ontario.

PMID 26236355 · 2015

Mutations in pbp1A were found in isolates but did not confer resistance to ampicillin.

Mutation Information

Protein Change: S543N
Organisms: Helicobacter pylori
Confers Resistance To: ampicillin
Validation Method: sequencing
Source Database: Reslit

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ResLit

A curated database of antimicrobial resistance genes and mutations extracted from scientific literature.

Browse

AMR Genes
AMR Mutations

Resources

About ResLit
Collaborators
PubMed
NCBI Pathogens
UniProt
CARD
ResFinder DB
PointFinder DB
AMR Rules

Curators

Curator Login
Dashboard

© 2026 ResLit. Data sourced from PubMed literature analysis.

Built for antimicrobial resistance research