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Browse Mutations blaOXA-423V128A

Protein ChangeV128A

Validation StatusCandidate

Databases

Reslit

Overview

Mechanism: weaker hydrolytic capacity
Resistance To: Penicillin|Carbapenem
Organisms: Acinetobacter baumannii, E. coli
Papers: 1

Paper Information1

1

Carbapenemase OXA-423: A Novel OXA-23 Variant in Acinetobacter baumannii.

PMID 33204124 · 2020

The Val128Ala substitution is located at the conserved active-site motif SAV of OXA-23.

Mutation Information

blaOXA-423: p.V128A

Protein Change: V128A
Organisms: Acinetobacter baumannii, E. coli
Confers Resistance To: Penicillin|Carbapenem

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

Effect on Function

weaker hydrolytic capacity

Source Database

Reslit

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© 2026 ResLit. Data sourced from PubMed literature analysis.

Built for antimicrobial resistance research