| Gene name | Length | Location | Length of alignment | Identity (%) | Coverage (%) | E-value |
|---|---|---|---|---|---|---|
| repA | 1091 | 53435 - 54525 (+) | 1091 | 89 | 99 | 0 |
| R55_oriV | 562 | 54813 - 55366 (+) | 562 | 82 | 65 | 1.53283E-128 |
| RA1_oriV | 559 | 54815 - 55363 (+) | 559 | 81 | 65 | 2.00384E-117 |
| Type match | Model name | Model type | Location | E-value | Identity | ||||
|---|---|---|---|---|---|---|---|---|---|
| Strict | Morganella morganii gyrB conferring resistance to fluoroquinolone | protein variant model | 367223 - 369637(+) | 0 | 77.36 % | ||||
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AMR Gene Family
Point mutations in DNA gyrase subunit B (gyrB) observed in Mycobacterium tuberculosis can result in resistance to fluoroquinolones.
Antibiotic
Enoxacin belongs to a group called fluoroquinolones. Its mode of action depends upon blocking bacterial DNA replication by binding itself to DNA gyrase and causing double-stranded breaks in the bacterial chromosome.
Antibiotic
Ciprofloxacin is a bacteriocidal fluoroquinolone. It blocks bacterial DNA replication by binding to the toposiomerase II or IV-DNA complex (or cleavable complex), thereby causing double-stranded breaks in the bacterial chromosome.
Antibiotic
Levofloxacin is a synthetic chemotherapeutic antibiotic of the fluoroquinolone drug class. Its main target is topoisomerase IV, inhibiting its function and disrupting DNA replication.
Antibiotic
Moxifloxacin is a fourth generation synthetic fluoroquinolone chemotherapeutic agent, and has been shown to be significantly more active than levofloxacin (4 to 8 times more) against Streptococcus pneumoniae. It acts by inhibiting bacterial DNA topoisomerases.
Antibiotic
Gatifloxacin is an 8-methoxy, 7-piperazinyl, 6-fluoroquinolone that can be taken orally or by intravenous administration. It is active against most Gram-positive and Gram-negative bacteria, but inactive against non-fermenting Gram-negative rods including Pseudomonas aeruginosa.
Antibiotic
Lomefloxacin is a difluoropiperazinyl quinolone, sharing similar activities with other fluoroquinolones. It is used to treat urinary tract infections. Relative to other fluoroquinolones, it has a longer half life and has higher serum concentrations.
Antibiotic
Nalidixic acid is a quinolone derivative of naphthyridine active against many enterobacteria, but ineffective against Ps aeruginosa, Gram-positive bacteria, and anaerobes. Acquired resistance is common in nalidixic acid treatments.
Antibiotic
Norfloxacin is a 6-fluoro, 7-piperazinyl quinolone with a wide range of activity against Gram-negative bacteria. It is inactive against most anaerobes.
Antibiotic
Ofloxacin is a 6-fluoro, 7-piperazinyl quinolone with a methyl-substituted oxazine ring. It has a broad spectrum of activity including many enterobacteria and mycoplasma but most anaerobes are resistant.
Antibiotic
Trovafloxacin is a trifluoroquinalone with a broad spectrum of activity that acts by inhibiting the uncoiling of supercoiled DNA. While potent against many Gram-positive and Gram-negative bacteria, it is less active against pseudomonads and Cl. difficile. It is usually taken as the prodrug trovafloxacin mesylate or alatrofloxacin mesylate for oral or intravenous administration, respectively.
Antibiotic
Grepafloxacin is a broad-spectrum antibacterial quinoline. It is no longer taken due to its high toxicity.
Antibiotic
Sparfloxacin is a dimethylpiperazinyl difluoroquinolone that acts by inhibiting DNA gyrase. It is active against aerobic Gram-positive and Gram-negative bacteria, as well as some mycobacteria. It has moderate activity against some anaerobes.
Antibiotic
Pefloxacin is structurally and functionally similar to norfloxacin. It is poorly active against mycobacteria, while anaerobes are resistant.
Drug Class
The fluoroquinolones are a family of synthetic broad-spectrum antibiotics that are 4-quinolone-3-carboxylates. These compounds interact with topoisomerase II (DNA gyrase) to disrupt bacterial DNA replication, damage DNA, and cause cell death.
Resistance Mechanism
Mutational alteration or enzymatic modification of antibiotic target which results in antibiotic resistance.
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| Strict | Haemophilus influenzae PBP3 conferring resistance to beta-lactam antibiotics | protein variant model | 1779611 - 1781362(+) | 0 | 50.26 % | ||||
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AMR Gene Family
Mutations in PBP transpeptidases that change the affinity for penicillin thereby conferring resistance to penicillin antibiotics
Drug Class
Cephalosporins are a class of beta-lactam antibiotics, containing the beta-lactam ring fused with a dihydrothiazolidine ring. Together with cephamycins they belong to a sub-group called cephems. Cephalosporin are bactericidal, and act by inhibiting the synthesis of the peptidoglycan layer of bacterial cell walls. The peptidoglycan layer is important for cell wall structural integrity, especially in Gram-positive organisms.
Drug Class
Cephamycins are a group of beta-lactam antibiotics, very similar to cephalosporins. Together with cephalosporins, they form a sub-group of antibiotics known as cephems. Cephamycins are bactericidal, and act by inhibiting the synthesis of the peptidoglycan layer of bacterial cell walls. The peptidoglycan layer is important for cell wall structural integrity, especially in Gram-positive organisms. The 7-alpha-methoxy group increases resistance to beta-lactamases.
Drug Class
Penams, often referred to as penicillins, are a group of antibiotics derived from Penicillium fungi. Penicillin antibiotics are historically significant because they are the first drugs that were effective against many previously serious diseases such as syphilis and Staphylococcus infections. Penicillins are still widely used today, though many types of bacteria are now resistant. All penicillins are beta-lactam antibiotics in the penam sub-group, and are used in the treatment of bacterial infections caused by susceptible, usually Gram-positive, organisms.
Resistance Mechanism
Mutational alteration or enzymatic modification of antibiotic target which results in antibiotic resistance.
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| Strict | Escherichia coli EF-Tu mutants conferring resistance to Pulvomycin | protein variant model | 1874036 - 1875220(+) | 0 | 89.82 % | ||||
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AMR Gene Family
Sequence variants of elongation factor Tu that confer resistance to elfamycin antibiotics.
Antibiotic
Pulvomycin is a polyketide antibiotic that binds elongation factor Tu (EF-Tu) to inhibit protein biosynthesis by preventing the formation of the ternary complex (EF-Tu*GTP*aa-tRNA). Phenotypically, it was shown that pulvomycin sensitivity is dominant over resistance.
Drug Class
Elfamycins are molecules that inhibit bacterial elongation factor Tu (EF-Tu), a key protein which brings aminoacyl-tRNA (aa-tRNA) to the ribosome during protein synthesis. Elfamycins defined by their target (EF-Tu), rather than a conserved chemical backbone. Elfamycins follow two mechanisms to disrupt protein synthesis: 1. kirromycins and enacyloxin fix EF-Tu in the GTP bound conformation and lock EF-Tu onto the ribosome, and 2. pulvomycin and GE2270 cover the binding site of aa-tRNA disallowing EF-Tu from being charged with aa-tRNA. All elfamycins cause increased the affinity of EF-Tu for GTP.
Resistance Mechanism
Mutational alteration or enzymatic modification of antibiotic target which results in antibiotic resistance.
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