Browse AMR Mutations
Explore antimicrobial resistance mutations from the literature
Explore antimicrobial resistance mutations from the literature
Explore antimicrobial resistance mutations from the literature
Reslit |
| Candidate |
| S450A | - | single resistance variant | Mycobacterium tuberculosis | Rifampicin | Card DatabaseReslit | Confirmed |
| S450C | - | single resistance variant | Mycobacterium tuberculosis | Rifampicin | Card Database | Established |
| S450F | single resistance variant | Mycobacterium tuberculosis, Mycobacterium bovis | RifampinRifampicin | Card DatabaseResFinder DatabaseReslit | Confirmed |
| S450G | - | single resistance variant | Mycobacterium tuberculosis | Rifampicin | Card Database | Established |
| S450L | confers rifampicin resistance, disrupts a key intermolecular hydrogen bond between serine and RIF and introduces a hydrophobic leucine residue that causes steric hindrance, decreased drug binding affinity, increased IC 50 of both rifamycins, The rpoB S450L mutation is located in the 81-bp RIF resistance–determining region (RRDR) of the rpoB gene, multiple resistance variants, single resistance variant | Mycobacterium tuberculosis, Mycobacterium leprae, Mycobacterium kansasii, Mycobacterium smegmatis, Rhodothermus marinus, Escherichia coli, Mycobacterium bovis, Staphylococcus aureus | RifampicinRIFCapreomycin+4 more | Card DatabaseResFinder DatabaseReslit | Confirmed |
| S450M | - | single resistance variant | Mycobacterium tuberculosis | Rifampicin | Card Database | Established |
| S450Q | - | single resistance variant | Mycobacterium tuberculosis | Rifampicin | Card DatabaseResFinder Database | Confirmed |
| S450T | - | - | - | Rifampicin | Reslit | Candidate |
© 2026 ResLit. Data sourced from PubMed literature analysis.
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