Linezolid

Identification

Summary

Linezolid is an oxazolidinone antibiotic used to treat infections by susceptible strains of aerobic Gram-positive bacteria.

Brand Names
Zyvox, Zyvoxam
Generic Name
Linezolid
DrugBank Accession Number
DB00601
Background

Linezolid is a synthetic antibiotic which is used for the treatment of infections caused by aerobic Gram-positive bacteria. Its effects are bacteriostatic against both enterococci and staphylococci and bactericidal against most isolates of streptococci.9 Linezolid exerts its antibacterial activity by inhibiting the initiation of bacterial protein synthesis - more specifically, it binds to the 23S ribosomal RNA of the 50S subunit7,8 and, in doing so, prevents the formation of the 70S initiation complex which is essential for bacterial reproduction.

Linezolid was initially approved in 2000 and was the first member of the oxazolidinone antibiotic class.3 A second member of this class, tedizolid, was approved by the FDA in 2014 and is considered generally more effective and tolerable than its predecessor.

Type
Small Molecule
Groups
Approved, Investigational
Structure
Weight
Average: 337.3461
Monoisotopic: 337.143784348
Chemical Formula
C16H20FN3O4
Synonyms
  • Linezolid
  • Linezolide
  • Linezolidum
  • N-(((S)-3-(3-Fluoro-4-morpholinophenyl)-2-oxo-5-oxazolidinyl)methyl)acetamide
External IDs
  • INF 0026
  • PNU 100766
  • U 100
  • U 100766
  • U 766
  • U-100,766
  • U-100766

Pharmacology

Indication

Linezolid is indicated in adults and children for the treatment of infections caused by susceptible Gram-positive bacteria, including nosocomial pneumonia, community-acquired pneumonia, skin and skin structure infections, and vancomycin-resistant Enterococcus faecium infections.9 Examples of susceptible bacteria include Staphylococcus aureus, Streptococcus pneumoniae, Streptococcus pyogenes, and Streptococcus agalactiae.9

Linezolid is not indicated for the treatment of Gram-negative infections, nor has it been evaluated for use longer than 28 days.9

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Associated Conditions
Indication TypeIndicationCombined Product DetailsApproval LevelAge GroupPatient CharacteristicsDose Form
Treatment ofCommunity acquired pneumonia (cap) caused by staphylococcus aureus infections••••••••••••
Treatment ofCommunity acquired pneumonia caused by susceptible strains of streptococcus pneumoniae••••••••••••
Treatment ofCommunity acquired pneumonia caused by susceptible strains of streptococcus pneumoniae••••••••••••
Treatment ofComplicated skin and skin structure infection caused by staphylococcus aureus infections••••••••••••
Treatment ofComplicated skin and skin structure infection caused by streptococcus agalactiae infection••••••••••••
Contraindications & Blackbox Warnings
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Pharmacodynamics

Linezolid is an oxazolidinone antibacterial agent effective against most strains of aerobic Gram-positive bacteria and mycobacteria. It appears to be bacteriostatic against both staphylococci and enterococci and bactericidal against most isolates of streptococci.9 Linezolid has shown some in vitro activity against Gram-negative and anaerobic bacteria but is not considered efficacious against these organisms.9

Linezolid is a reversible and non-selective inhibitor of monoamine oxidase (MAO) enzymes and can therefore contribute to the development of serotonin syndrome when administered alongside serotonergic agents such as selective serotonin re-uptake inhibitors (SSRIs) or tricyclic antidepressants (TCAs).9 Linezolid should not be used for the treatment of catheter-related bloodstream infections or catheter-site infections, as the risk of therapy appears to outweigh its benefits under these circumstances.9

Mechanism of action

Linezolid exerts its antibacterial effects by interfering with bacterial protein translation.2 It binds to a site on the bacterial 23S ribosomal RNA of the 50S subunit and prevents the formation of a functional 70S initiation complex, which is essential for bacterial reproduction, thereby preventing bacteria from dividing.9

Point mutations in the bacterial 23S rRNA can lead to linezolid resistance, and the development of linezolid-resistant Enterococcus faecium and Staphylococcus aureus have been documented during its clinical use.9 As antimicrobial susceptibility patterns are geographically distinct, local antibiograms should be consulted to ensure adequate coverage of relevant pathogens prior to use.

TargetActionsOrganism
A23S ribosomal RNA
inhibitor
Enteric bacteria and other eubacteria
Absorption

Linezolid is extensively absorbed following oral administration and has an absolute bioavailability of approximately 100%.9 Maximum plasma concentrations are reached within approximately 1 to 2 hours after dosing (Tmax) and range from 8.1-12.9 mcg/mL after single doses and 11.0-21.2 mcg/mL after multiple dosing.9

The absorption of orally administered linezolid is not significantly affected by co-administration with food and it may therefore be given without regard to the timing of meals.9

Volume of distribution

At steady-state, the volume of distribution of linezolid in healthy adults is approximately 40-50 liters.9

Protein binding

Plasma protein binding of linezolid is approximately 31% - primarily to serum albumin6 - and is concentration-dependent.9

Metabolism

Linezolid is primarily metabolized to two inactive metabolites: an aminoethoxyacetic acid metabolite (PNU-142300) and a hydroxyethyl glycine metabolite (PNU-142586), both of which are the result of morpholine ring oxidation.9,5 The hydroxyethyl glycine metabolite - the most abundant of the two metabolites11 - is likely generated via non-enzymatic processes, though further detail has not been elucidated.9,5

While the specific enzymes responsible for the biotransformation of linezolid are unclear, it does not appear to be subject to metabolism via the CYP450 enzyme system, nor does it meaningfully inhibit or induce these enzymes.11 Linezolid is, however, a reversible and non-selective inhibitor of monoamine oxidase enzymes.9

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Route of elimination

Urinary excretion is the primary means by which linezolid and its metabolic products are excreted. Following the administration of a radiolabeled dose of linezolid under steady-state conditions, approximately 84% of radioactivity was recovered in the urine,5 of which approximately 30% is unchanged parent drug, 40% is the hydroxyethyl glycine metabolite, and 10% is the aminoethoxyacetic acid metabolite.9 Fecal elimination is comparatively minor, with no parent drug observed in feces and only 6% and 3% of an administered dose found in the feces as the hydroxyethyl glycine metabolite and the aminoethoxyacetic acid metabolite, respectively.9

Half-life

The elimination half-life is estimated to be between 5 and 7 hours.11

Clearance

Total clearance of linezolid is estimated to be 100-200 mL/min, the majority of which appears to be non-renal.11 Mean renal clearance is approximately 40 mL/min, which suggests net tubular reabsorption,9 while non-renal clearance is estimated to account for roughly 65% of total clearance,9 or 70-150 mL/min on average.11 Variability in linezolid clearance is high, particularly for non-renal clearance.11

Adverse Effects
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Toxicity

Clinical signs of overdosage observed in rats were decreased activity and ataxia (2000 mg/kg/day) and in dogs were vomiting and tremors (3000 mg/kg/day).9 Treatment of overdose should involve symptomatic and supportive measures and may include hemodialysis if clinically necessary.

Pathways
Not Available
Pharmacogenomic Effects/ADRs
Not Available

Interactions

Drug Interactions
This information should not be interpreted without the help of a healthcare provider. If you believe you are experiencing an interaction, contact a healthcare provider immediately. The absence of an interaction does not necessarily mean no interactions exist.
DrugInteraction
AbaloparatideLinezolid may increase the orthostatic hypotensive activities of Abaloparatide.
AbataceptThe risk or severity of adverse effects can be increased when Linezolid is combined with Abatacept.
AbciximabThe risk or severity of bleeding and hemorrhage can be increased when Linezolid is combined with Abciximab.
AcamprosateThe excretion of Acamprosate can be decreased when combined with Linezolid.
AcarboseLinezolid may increase the hypoglycemic activities of Acarbose.
Food Interactions
  • Avoid tyramine-containing foods and supplements. Avoid food containing high amounts of tyramine (>100mg). Tyramine-containing foods include cheese, red wine, fava beans, pickled foods, cured foods, and alcoholic beverages.
  • Take with or without food. Co-administration with food does not significantly alter the pharmacokinetics of linezolid.

Products

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Product Images
International/Other Brands
Antizolid (Verisfield) / Linosept (Orion) / Linozid (Orion) / Lizbid (Abbott) / Lizemox (Molekule) / Lizolid (Glenmark) / Xolid (Corona) / Zenix (Hemofarm) / Zizolid (Biofarma) / Zodlin (FDC) / Zolinid (Teva) / Zyvoxid (Pfizer)
Brand Name Prescription Products
NameDosageStrengthRouteLabellerMarketing StartMarketing EndRegionImage
LinezolidInjection, solution2 mg/1mLIntravenousHospira, Inc.2015-06-18Not applicableUS flag
LinezolidTablet600 mgOralPanda Pharmaceuticals Inc.Not applicableNot applicableCanada flag
Linezolid InjectionSolution2 mg / mLIntravenousMda Inc.Not applicableNot applicableCanada flag
Linezolid InjectionSolution2 mg / mLIntravenousHospira Healthcare UlcNot applicableNot applicableCanada flag
Linezolid InjectionSolution2 mg / mLIntravenousTeva Italia S.R.L.2014-08-182018-05-17Canada flag
Generic Prescription Products
NameDosageStrengthRouteLabellerMarketing StartMarketing EndRegionImage
Apo-linezolidTablet600 mgOralApotex Corporation2014-08-19Not applicableCanada flag
Jamp LinezolidTablet600 mgOralJamp Pharma Corporation2022-10-31Not applicableCanada flag
LinezolidPowder, for suspension100 mg/5mLOralHikma Pharmaceuticals USA Inc.2015-06-03Not applicableUS flag
LinezolidTablet, film coated600 mg/1OralCamber Pharmaceuticals, Inc.2015-12-21Not applicableUS flag
LinezolidTablet, film coated600 mg/1OralREMEDYREPACK INC.2017-05-122020-04-06US flag

Categories

ATC Codes
J01XX08 — Linezolid
Drug Categories
Chemical TaxonomyProvided by Classyfire
Description
This compound belongs to the class of organic compounds known as phenylmorpholines. These are aromatic compounds containing a morpholine ring and a benzene ring linked to each other through a CC or a CN bond.
Kingdom
Organic compounds
Super Class
Organoheterocyclic compounds
Class
Oxazinanes
Sub Class
Morpholines
Direct Parent
Phenylmorpholines
Alternative Parents
Aniline and substituted anilines / Dialkylarylamines / Fluorobenzenes / Oxazolidinones / Aryl fluorides / Acetamides / Carbamate esters / Secondary carboxylic acid amides / Organic carbonic acids and derivatives / Dialkyl ethers
show 7 more
Substituents
Acetamide / Amine / Amino acid or derivatives / Aniline or substituted anilines / Aromatic heteromonocyclic compound / Aryl fluoride / Aryl halide / Azacycle / Benzenoid / Carbamic acid ester
show 26 more
Molecular Framework
Aromatic heteromonocyclic compounds
External Descriptors
organofluorine compound, acetamides, morpholines, oxazolidinone (CHEBI:63607)
Affected organisms
  • Streptococcus pyogenes
  • Streptococcus pneumoniae
  • Streptococcus agalactiae
  • Staphylococcus aureus
  • Enterococcus faecalis
  • Staphylococcus epidermidis
  • Enterococcus faecium
  • Streptococcus viridans
  • Staphylococcus haemolyticus
  • Gram positive bacteria

Chemical Identifiers

UNII
ISQ9I6J12J
CAS number
165800-03-3
InChI Key
TYZROVQLWOKYKF-ZDUSSCGKSA-N
InChI
InChI=1S/C16H20FN3O4/c1-11(21)18-9-13-10-20(16(22)24-13)12-2-3-15(14(17)8-12)19-4-6-23-7-5-19/h2-3,8,13H,4-7,9-10H2,1H3,(H,18,21)/t13-/m0/s1
IUPAC Name
N-{[(5S)-3-[3-fluoro-4-(morpholin-4-yl)phenyl]-2-oxo-1,3-oxazolidin-5-yl]methyl}acetamide
SMILES
CC(=O)NC[C@H]1CN(C(=O)O1)C1=CC(F)=C(C=C1)N1CCOCC1

References

Synthesis Reference

Brickner SJ, Hutchinson DK, Barbachyn MR, Manninen PR, Ulanowicz DA, Garmon SA, Grega KC, Hendges SK, Toops DS, Ford CW, Zurenko GE: Synthesis and antibacterial activity of U-100592 and U-100766, two oxazolidinone antibacterial agents for the potential treatment of multidrug-resistant gram-positive bacterial infections. J Med Chem. 1996 Feb 2;39(3):673-9. doi: 10.1021/jm9509556.

US5688792
General References
  1. Park IN, Hong SB, Oh YM, Kim MN, Lim CM, Lee SD, Koh Y, Kim WS, Kim DS, Kim WD, Shim TS: Efficacy and tolerability of daily-half dose linezolid in patients with intractable multidrug-resistant tuberculosis. J Antimicrob Chemother. 2006 Sep;58(3):701-4. Epub 2006 Jul 19. [Article]
  2. Azzouz A, Preuss CV: Linezolid . [Article]
  3. Leach KL, Brickner SJ, Noe MC, Miller PF: Linezolid, the first oxazolidinone antibacterial agent. Ann N Y Acad Sci. 2011 Mar;1222:49-54. doi: 10.1111/j.1749-6632.2011.05962.x. [Article]
  4. Dryden MS: Linezolid pharmacokinetics and pharmacodynamics in clinical treatment. J Antimicrob Chemother. 2011 May;66 Suppl 4:iv7-iv15. doi: 10.1093/jac/dkr072. [Article]
  5. Slatter JG, Stalker DJ, Feenstra KL, Welshman IR, Bruss JB, Sams JP, Johnson MG, Sanders PE, Hauer MJ, Fagerness PE, Stryd RP, Peng GW, Shobe EM: Pharmacokinetics, metabolism, and excretion of linezolid following an oral dose of [(14)C]linezolid to healthy human subjects. Drug Metab Dispos. 2001 Aug;29(8):1136-45. [Article]
  6. Stalker DJ, Jungbluth GL: Clinical pharmacokinetics of linezolid, a novel oxazolidinone antibacterial. Clin Pharmacokinet. 2003;42(13):1129-40. doi: 10.2165/00003088-200342130-00004. [Article]
  7. Colca JR, McDonald WG, Waldon DJ, Thomasco LM, Gadwood RC, Lund ET, Cavey GS, Mathews WR, Adams LD, Cecil ET, Pearson JD, Bock JH, Mott JE, Shinabarger DL, Xiong L, Mankin AS: Cross-linking in the living cell locates the site of action of oxazolidinone antibiotics. J Biol Chem. 2003 Jun 13;278(24):21972-9. Epub 2003 Apr 10. [Article]
  8. Roger C, Roberts JA, Muller L: Clinical Pharmacokinetics and Pharmacodynamics of Oxazolidinones. Clin Pharmacokinet. 2018 May;57(5):559-575. doi: 10.1007/s40262-017-0601-x. [Article]
  9. FDA Approved Drug Products: Zyvox (linezolid) for intravenous or oral administration [Link]
  10. Health Canada Product Monograph: Linezolid oral tablets [Link]
  11. FDA Pharmacology and Biopharmaceutics Review: Linezolid [Link]
Human Metabolome Database
HMDB0014739
KEGG Drug
D00947
KEGG Compound
C08146
PubChem Compound
441401
PubChem Substance
46504452
ChemSpider
390139
BindingDB
50116067
RxNav
190376
ChEBI
63607
ChEMBL
CHEMBL126
ZINC
ZINC000002008866
Therapeutic Targets Database
DAP000398
PharmGKB
PA450233
PDBe Ligand
ZLD
RxList
RxList Drug Page
Drugs.com
Drugs.com Drug Page
PDRhealth
PDRhealth Drug Page
Wikipedia
Linezolid
PDB Entries
3cpw / 3dll / 4k7q / 4wfa / 5nz0 / 7s1g / 7s1h
FDA label
Download (106 KB)
MSDS
Download (43.7 KB)

Clinical Trials

Clinical Trials
Clinical Trial & Rare Diseases Add-on Data Package
Explore 4,000+ rare diseases, orphan drugs & condition pairs, clinical trial why stopped data, & more. Preview package
PhaseStatusPurposeConditionsCountStart DateWhy Stopped100+ additional columns
Not AvailableActive Not RecruitingNot AvailableBacterial Infections / Bloodstream Infections (BSI) / Invasive Group A Beta-Haemolytic Streptococcal Disease / Necrotizing Soft Tissue Infections / Streptococcal Sepsis / Streptococcal Toxic Shock Syndrome1somestatusstop reasonjust information to hide
Not AvailableActive Not RecruitingTreatmentMultidrug Resistant Tuberculosis1somestatusstop reasonjust information to hide
Not AvailableCompletedNot AvailableComplicated Skin and Skin Structure Infection / Hospital-Acquired Pneumonia1somestatusstop reasonjust information to hide
Not AvailableCompletedNot AvailableCoronavirus Disease 2019 (COVID‑19) / Human Immunodeficiency Virus (HIV) Infections1somestatusstop reasonjust information to hide
Not AvailableCompletedNot AvailableCritically Ill Patients / Infection1somestatusstop reasonjust information to hide

Pharmacoeconomics

Manufacturers
  • Pharmacia and upjohn co
Packagers
  • Fresenius Kabi AB
  • Lake Erie Medical and Surgical Supply
  • Murfreesboro Pharmaceutical Nursing Supply
  • Pfizer Inc.
  • Pharmacia Inc.
Dosage Forms
FormRouteStrength
Solution2 mg/mL
SolutionParenteral0.200 g
TabletOral400.000 mg
Tablet, film coatedOral600.00 mg
TabletOral
Tablet, film coatedOral
SolutionIntravenous200.000 mg
Injection, solutionIntravenous2 mg/1mL
Injection, solutionIntravenous200 mg/100mL
Injection, solutionIntravenous600 mg/300mL
PowderNot applicable1 kg/1kg
Powder, for suspensionOral100 mg/5mL
TabletOral600 mg/1
SolutionParenteral
SolutionParenteral2 mg/ml
Injection, solution
SolutionIntravenous600 mg / 300 mL
Injection, solution2 MG/ML
SolutionIntravenous2 mg/ml
Granule, for solutionOral
Injection, solutionIntravenous
Injection, solutionParenteral2 MG/ML
Tablet, delayed releaseOral600 mg
SolutionIntravenous200000 mg/mL
InjectionIntravenous
SolutionIntravenous600.0 mg
TabletOral600.000 mg
SolutionIntravenous200.00 mg
SolutionIntravenous600 mg
SolutionParenteral200.000 mg
TabletOral600.0 mg
SolutionIntravenous200 mg
Granule, for suspensionOral100 mg/5mL
InjectionIntravenous600 mg/300mL
Injection, solutionIntravenous400 mg/200mL
SuspensionOral100 mg/5mL
Tablet, film coatedOral400 mg/1
Tablet, film coatedOral600 mg/1
Solution2 mg/1ml
Tablet, film coatedOral600 mg
GranuleOral20 MG/ML
For solutionIntravenous600 MG/300ML
Granule, for suspensionOral20 mg/ml
InjectionIntravenous2 mg/ml
Powder, for suspensionOral100 mg / 5 mL
SolutionIntravenous2 mg / mL
TabletOral600 mg
Injection, solutionIntravenous2 mg/ml
Tablet, film coatedOral400 mg
Granule, for suspensionOral
Powder, for suspensionOral100 mg
TabletOral400 mg
SolutionIntravenous2 mg
GranuleOral100 MG/5ML
Tablet, coatedOral600 mg
Injection, solution2 mg/1ml
Prices
Unit descriptionCostUnit
Zyvox 600 mg tablet93.81USD tablet
Zyvox 200 mg/100 ml iv soln0.6USD ml
DrugBank does not sell nor buy drugs. Pricing information is supplied for informational purposes only.
Patents
Patent NumberPediatric ExtensionApprovedExpires (estimated)Region
US5688792No1997-11-182014-11-18US flag
CA2168560No2001-08-142014-08-16Canada flag
US6559305Yes2003-05-062021-07-29US flag
US6514529Yes2003-02-042021-09-15US flag

Properties

State
Solid
Experimental Properties
PropertyValueSource
melting point (°C)154.5https://pdf.hres.ca/dpd_pm/00045786.PDF
water solubility3 mg/mLhttps://www.accessdata.fda.gov/drugsatfda_docs/nda/2000/21130_Zyvox_biopharmr.pdf
logP0.9Not Available
pKa1.8https://www.accessdata.fda.gov/drugsatfda_docs/nda/2000/21130_Zyvox_biopharmr.pdf
Predicted Properties
PropertyValueSource
Water Solubility1.44 mg/mLALOGPS
logP0.61ALOGPS
logP0.64Chemaxon
logS-2.4ALOGPS
pKa (Strongest Acidic)14.85Chemaxon
pKa (Strongest Basic)-1.2Chemaxon
Physiological Charge0Chemaxon
Hydrogen Acceptor Count5Chemaxon
Hydrogen Donor Count1Chemaxon
Polar Surface Area71.11 Å2Chemaxon
Rotatable Bond Count4Chemaxon
Refractivity84.47 m3·mol-1Chemaxon
Polarizability34.06 Å3Chemaxon
Number of Rings3Chemaxon
Bioavailability1Chemaxon
Rule of FiveYesChemaxon
Ghose FilterYesChemaxon
Veber's RuleNoChemaxon
MDDR-like RuleNoChemaxon
Predicted ADMET Features
PropertyValueProbability
Human Intestinal Absorption+1.0
Blood Brain Barrier+0.9363
Caco-2 permeable+0.8866
P-glycoprotein substrateSubstrate0.5881
P-glycoprotein inhibitor IInhibitor0.7599
P-glycoprotein inhibitor IINon-inhibitor0.6478
Renal organic cation transporterNon-inhibitor0.7469
CYP450 2C9 substrateNon-substrate0.7898
CYP450 2D6 substrateNon-substrate0.9116
CYP450 3A4 substrateSubstrate0.5904
CYP450 1A2 substrateNon-inhibitor0.7811
CYP450 2C9 inhibitorNon-inhibitor0.8174
CYP450 2D6 inhibitorNon-inhibitor0.8112
CYP450 2C19 inhibitorNon-inhibitor0.5664
CYP450 3A4 inhibitorNon-inhibitor0.7563
CYP450 inhibitory promiscuityHigh CYP Inhibitory Promiscuity0.5544
Ames testNon AMES toxic0.6839
CarcinogenicityNon-carcinogens0.8916
BiodegradationNot ready biodegradable0.9895
Rat acute toxicity2.4938 LD50, mol/kg Not applicable
hERG inhibition (predictor I)Weak inhibitor0.7883
hERG inhibition (predictor II)Inhibitor0.6297
ADMET data is predicted using admetSAR, a free tool for evaluating chemical ADMET properties. (23092397)

Spectra

Mass Spec (NIST)
Not Available
Spectra
SpectrumSpectrum TypeSplash Key
Predicted GC-MS Spectrum - GC-MSPredicted GC-MSsplash10-0006-4292000000-5170fb56647608eed430
LC-MS/MS Spectrum - LC-ESI-QFT , positiveLC-MS/MSsplash10-000i-0009000000-05a0d0b23e80851df1d5
LC-MS/MS Spectrum - LC-ESI-QFT , positiveLC-MS/MSsplash10-000j-0396000000-959c643931df034e05fc
LC-MS/MS Spectrum - LC-ESI-QFT , positiveLC-MS/MSsplash10-000b-0940000000-066fc762e228726946fb
LC-MS/MS Spectrum - LC-ESI-QFT , positiveLC-MS/MSsplash10-0292-0900000000-99847141a31b0134dcfa
LC-MS/MS Spectrum - LC-ESI-QFT , positiveLC-MS/MSsplash10-000j-0900000000-7cf676c358a3890ab460
LC-MS/MS Spectrum - LC-ESI-QFT , positiveLC-MS/MSsplash10-000j-0900000000-fdccf108eb9fcb8a102d
MS/MS Spectrum - , positiveLC-MS/MSsplash10-000i-1649000000-a1dedd5c256e9f3bfa4f
MS/MS Spectrum - , positiveLC-MS/MSsplash10-000i-0649000000-1ac199ac8af65a2644f8
Predicted MS/MS Spectrum - 10V, Positive (Annotated)Predicted LC-MS/MSsplash10-000i-0019000000-97ee51ef013e5a36c59a
Predicted MS/MS Spectrum - 10V, Negative (Annotated)Predicted LC-MS/MSsplash10-006y-2090000000-2e1a490d9a6cf0647ff1
Predicted MS/MS Spectrum - 20V, Positive (Annotated)Predicted LC-MS/MSsplash10-000f-1094000000-354428b8f0291c232d29
Predicted MS/MS Spectrum - 40V, Positive (Annotated)Predicted LC-MS/MSsplash10-052f-3593000000-1ed340b54b777ef1966f
Predicted MS/MS Spectrum - 20V, Negative (Annotated)Predicted LC-MS/MSsplash10-00dl-0090000000-67d8bb1ee9e22ddb4b9c
Predicted MS/MS Spectrum - 40V, Negative (Annotated)Predicted LC-MS/MSsplash10-0006-5193000000-82858d5a20cd6a824978
Predicted 1H NMR Spectrum1D NMRNot Applicable
Predicted 13C NMR Spectrum1D NMRNot Applicable
Chromatographic Properties
Collision Cross Sections (CCS)
AdductCCS Value (Å2)Source typeSource
[M-H]-198.4435916
predicted
DarkChem Lite v0.1.0
[M-H]-171.04094
predicted
DeepCCS 1.0 (2019)
[M+H]+199.6098916
predicted
DarkChem Lite v0.1.0
[M+H]+173.44148
predicted
DeepCCS 1.0 (2019)
[M+Na]+198.5571916
predicted
DarkChem Lite v0.1.0
[M+Na]+180.59407
predicted
DeepCCS 1.0 (2019)

Targets

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Kind
Nucleotide
Organism
Enteric bacteria and other eubacteria
Pharmacological action
Yes
Actions
Inhibitor
In prokaryotes, the 23S rRNA is part of the large subunit (the 50S) that joins with the 30S small subunit to create the functional 70S ribosome. The ribosome is comprised of 3 RNAs: the 23S, the 16S and the 5S ribosomal RNAs. The 23S and the 5S associate with their respective proteins to make up the large subunit of the ribosome, while the 16S RNA associates with its proteins to make up the small subunit.
References
  1. Sinclair A, Arnold C, Woodford N: Rapid detection and estimation by pyrosequencing of 23S rRNA genes with a single nucleotide polymorphism conferring linezolid resistance in Enterococci. Antimicrob Agents Chemother. 2003 Nov;47(11):3620-2. [Article]
  2. Meka VG, Pillai SK, Sakoulas G, Wennersten C, Venkataraman L, DeGirolami PC, Eliopoulos GM, Moellering RC Jr, Gold HS: Linezolid resistance in sequential Staphylococcus aureus isolates associated with a T2500A mutation in the 23S rRNA gene and loss of a single copy of rRNA. J Infect Dis. 2004 Jul 15;190(2):311-7. Epub 2004 Jun 9. [Article]
  3. Zhu W, Tenover FC, Limor J, Lonsway D, Prince D, Dunne WM Jr, Patel JB: Use of pyrosequencing to identify point mutations in domain V of 23S rRNA genes of linezolid-resistant Staphylococcus aureus and Staphylococcus epidermidis. Eur J Clin Microbiol Infect Dis. 2007 Mar;26(3):161-5. [Article]
  4. Colca JR, McDonald WG, Waldon DJ, Thomasco LM, Gadwood RC, Lund ET, Cavey GS, Mathews WR, Adams LD, Cecil ET, Pearson JD, Bock JH, Mott JE, Shinabarger DL, Xiong L, Mankin AS: Cross-linking in the living cell locates the site of action of oxazolidinone antibiotics. J Biol Chem. 2003 Jun 13;278(24):21972-9. Epub 2003 Apr 10. [Article]
  5. FDA Approved Drug Products: Zyvox (linezolid) for intravenous or oral administration [Link]
  6. FDA Pharmacology and Biopharmaceutics Review: Linezolid [Link]

Enzymes

Kind
Protein
Organism
Humans
Pharmacological action
No
Actions
Inhibitor
General Function
Catalyzes the oxidative deamination of primary and some secondary amines such as neurotransmitters, and exogenous amines including the tertiary amine, neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), with concomitant reduction of oxygen to hydrogen peroxide and participates in the metabolism of neuroactive and vasoactive amines in the central nervous system and peripheral tissues (PubMed:11049757, PubMed:11134050, PubMed:20493079, PubMed:8316221, PubMed:8665924). Preferentially degrades benzylamine and phenylethylamine (PubMed:11049757, PubMed:11134050, PubMed:20493079, PubMed:8316221, PubMed:8665924)
Specific Function
aliphatic amine oxidase activity
Gene Name
MAOB
Uniprot ID
P27338
Uniprot Name
Amine oxidase [flavin-containing] B
Molecular Weight
58762.475 Da
References
  1. Stevens DL, Dotter B, Madaras-Kelly K: A review of linezolid: the first oxazolidinone antibiotic. Expert Rev Anti Infect Ther. 2004 Feb;2(1):51-9. [Article]
  2. Taylor JJ, Wilson JW, Estes LL: Linezolid and serotonergic drug interactions: a retrospective survey. Clin Infect Dis. 2006 Jul 15;43(2):180-7. Epub 2006 Jun 9. [Article]
  3. FDA Approved Drug Products: Zyvox (linezolid) for intravenous or oral administration [Link]
  4. FDA Pharmacology and Biopharmaceutics Review: Linezolid [Link]
Kind
Protein
Organism
Humans
Pharmacological action
No
Actions
Inhibitor
General Function
Catalyzes the oxidative deamination of primary and some secondary amine such as neurotransmitters, with concomitant reduction of oxygen to hydrogen peroxide and has important functions in the metabolism of neuroactive and vasoactive amines in the central nervous system and peripheral tissues (PubMed:18391214, PubMed:20493079, PubMed:24169519, PubMed:8316221). Preferentially oxidizes serotonin (PubMed:20493079, PubMed:24169519). Also catalyzes the oxidative deamination of kynuramine to 3-(2-aminophenyl)-3-oxopropanal that can spontaneously condense to 4-hydroxyquinoline (By similarity)
Specific Function
aliphatic amine oxidase activity
Gene Name
MAOA
Uniprot ID
P21397
Uniprot Name
Amine oxidase [flavin-containing] A
Molecular Weight
59681.27 Da
References
  1. Stevens DL, Dotter B, Madaras-Kelly K: A review of linezolid: the first oxazolidinone antibiotic. Expert Rev Anti Infect Ther. 2004 Feb;2(1):51-9. [Article]
  2. Taylor JJ, Wilson JW, Estes LL: Linezolid and serotonergic drug interactions: a retrospective survey. Clin Infect Dis. 2006 Jul 15;43(2):180-7. Epub 2006 Jun 9. [Article]
  3. FDA Approved Drug Products: Zyvox (linezolid) for intravenous or oral administration [Link]
  4. FDA Pharmacology and Biopharmaceutics Review: Linezolid [Link]

Carriers

Kind
Protein
Organism
Humans
Pharmacological action
No
Actions
Binder
General Function
Binds water, Ca(2+), Na(+), K(+), fatty acids, hormones, bilirubin and drugs (Probable). Its main function is the regulation of the colloidal osmotic pressure of blood (Probable). Major zinc transporter in plasma, typically binds about 80% of all plasma zinc (PubMed:19021548). Major calcium and magnesium transporter in plasma, binds approximately 45% of circulating calcium and magnesium in plasma (By similarity). Potentially has more than two calcium-binding sites and might additionally bind calcium in a non-specific manner (By similarity). The shared binding site between zinc and calcium at residue Asp-273 suggests a crosstalk between zinc and calcium transport in the blood (By similarity). The rank order of affinity is zinc > calcium > magnesium (By similarity). Binds to the bacterial siderophore enterobactin and inhibits enterobactin-mediated iron uptake of E.coli from ferric transferrin, and may thereby limit the utilization of iron and growth of enteric bacteria such as E.coli (PubMed:6234017). Does not prevent iron uptake by the bacterial siderophore aerobactin (PubMed:6234017)
Specific Function
antioxidant activity
Gene Name
ALB
Uniprot ID
P02768
Uniprot Name
Albumin
Molecular Weight
69365.94 Da
References
  1. Stalker DJ, Jungbluth GL: Clinical pharmacokinetics of linezolid, a novel oxazolidinone antibacterial. Clin Pharmacokinet. 2003;42(13):1129-40. doi: 10.2165/00003088-200342130-00004. [Article]

Transporters

Kind
Protein
Organism
Humans
Pharmacological action
No
Actions
Inhibitor
General Function
Secondary active transporter that functions as a Na(+)-independent organic anion (OA)/dicarboxylate antiporter where the uptake of one molecule of OA into the cell is coupled with an efflux of one molecule of intracellular dicarboxylate such as 2-oxoglutarate or glutarate (PubMed:11669456, PubMed:11907186, PubMed:14675047, PubMed:22108572, PubMed:23832370, PubMed:28534121, PubMed:9950961). Mediates the uptake of OA across the basolateral side of proximal tubule epithelial cells, thereby contributing to the renal elimination of endogenous OA from the systemic circulation into the urine (PubMed:9887087). Functions as a biopterin transporters involved in the uptake and the secretion of coenzymes tetrahydrobiopterin (BH4), dihydrobiopterin (BH2) and sepiapterin to urine, thereby determining baseline levels of blood biopterins (PubMed:28534121). Transports prostaglandin E2 (PGE2) and prostaglandin F2-alpha (PGF2-alpha) and may contribute to their renal excretion (PubMed:11907186). Also mediates the uptake of cyclic nucleotides such as cAMP and cGMP (PubMed:26377792). Involved in the transport of neuroactive tryptophan metabolites kynurenate (KYNA) and xanthurenate (XA) and may contribute to their secretion from the brain (PubMed:22108572, PubMed:23832370). May transport glutamate (PubMed:26377792). Also involved in the disposition of uremic toxins and potentially toxic xenobiotics by the renal organic anion secretory pathway, helping reduce their undesired toxicological effects on the body (PubMed:11669456, PubMed:14675047). Uremic toxins include the indoxyl sulfate (IS), hippurate/N-benzoylglycine (HA), indole acetate (IA), 3-carboxy-4- methyl-5-propyl-2-furanpropionate (CMPF) and urate (PubMed:14675047, PubMed:26377792). Xenobiotics include the mycotoxin ochratoxin (OTA) (PubMed:11669456). May also contribute to the transport of organic compounds in testes across the blood-testis-barrier (PubMed:35307651)
Specific Function
alpha-ketoglutarate transmembrane transporter activity
Gene Name
SLC22A6
Uniprot ID
Q4U2R8
Uniprot Name
Solute carrier family 22 member 6
Molecular Weight
61815.78 Da
References
  1. Parvez MM, Kaisar N, Shin HJ, Jung JA, Shin JG: Inhibitory Interaction Potential of 22 Antituberculosis Drugs on Organic Anion and Cation Transporters of the SLC22A Family. Antimicrob Agents Chemother. 2016 Oct 21;60(11):6558-6567. doi: 10.1128/AAC.01151-16. Print 2016 Nov. [Article]
Kind
Protein
Organism
Humans
Pharmacological action
No
Actions
Inhibitor
General Function
Functions as an organic anion/dicarboxylate exchanger that couples organic anion uptake indirectly to the sodium gradient (PubMed:14586168, PubMed:15644426, PubMed:15846473, PubMed:16455804, PubMed:31553721). Transports organic anions such as estrone 3-sulfate (E1S) and urate in exchange for dicarboxylates such as glutarate or ketoglutarate (2-oxoglutarate) (PubMed:14586168, PubMed:15846473, PubMed:15864504, PubMed:22108572, PubMed:23832370). Plays an important role in the excretion of endogenous and exogenous organic anions, especially from the kidney and the brain (PubMed:11306713, PubMed:14586168, PubMed:15846473). E1S transport is pH- and chloride-dependent and may also involve E1S/cGMP exchange (PubMed:26377792). Responsible for the transport of prostaglandin E2 (PGE2) and prostaglandin F2(alpha) (PGF2(alpha)) in the basolateral side of the renal tubule (PubMed:11907186). Involved in the transport of neuroactive tryptophan metabolites kynurenate and xanthurenate (PubMed:22108572, PubMed:23832370). Functions as a biopterin transporters involved in the uptake and the secretion of coenzymes tetrahydrobiopterin (BH4), dihydrobiopterin (BH2) and sepiapterin to urine, thereby determining baseline levels of blood biopterins (PubMed:28534121). May be involved in the basolateral transport of steviol, a metabolite of the popular sugar substitute stevioside (PubMed:15644426). May participate in the detoxification/ renal excretion of drugs and xenobiotics, such as the histamine H(2)-receptor antagonists fexofenadine and cimetidine, the antibiotic benzylpenicillin (PCG), the anionic herbicide 2,4-dichloro-phenoxyacetate (2,4-D), the diagnostic agent p-aminohippurate (PAH), the antiviral acyclovir (ACV), and the mycotoxin ochratoxin (OTA), by transporting these exogenous organic anions across the cell membrane in exchange for dicarboxylates such as 2-oxoglutarate (PubMed:11669456, PubMed:15846473, PubMed:16455804). Contributes to the renal uptake of potent uremic toxins (indoxyl sulfate (IS), indole acetate (IA), hippurate/N-benzoylglycine (HA) and 3-carboxy-4-methyl-5-propyl-2-furanpropionate (CMPF)), pravastatin, PCG, E1S and dehydroepiandrosterone sulfate (DHEAS), and is partly involved in the renal uptake of temocaprilat (an angiotensin-converting enzyme (ACE) inhibitor) (PubMed:14675047). May contribute to the release of cortisol in the adrenals (PubMed:15864504). Involved in one of the detoxification systems on the choroid plexus (CP), removes substrates such as E1S or taurocholate (TC), PCG, 2,4-D and PAH, from the cerebrospinal fluid (CSF) to the blood for eventual excretion in urine and bile (By similarity). Also contributes to the uptake of several other organic compounds such as the prostanoids prostaglandin E(2) and prostaglandin F(2-alpha), L-carnitine, and the therapeutic drugs allopurinol, 6-mercaptopurine (6-MP) and 5-fluorouracil (5-FU) (By similarity). Mediates the transport of PAH, PCG, and the statins pravastatin and pitavastatin, from the cerebrum into the blood circulation across the blood-brain barrier (BBB). In summary, plays a role in the efflux of drugs and xenobiotics, helping reduce their undesired toxicological effects on the body (By similarity)
Specific Function
organic anion transmembrane transporter activity
Gene Name
SLC22A8
Uniprot ID
Q8TCC7
Uniprot Name
Organic anion transporter 3
Molecular Weight
59855.585 Da
References
  1. Parvez MM, Kaisar N, Shin HJ, Jung JA, Shin JG: Inhibitory Interaction Potential of 22 Antituberculosis Drugs on Organic Anion and Cation Transporters of the SLC22A Family. Antimicrob Agents Chemother. 2016 Oct 21;60(11):6558-6567. doi: 10.1128/AAC.01151-16. Print 2016 Nov. [Article]

Drug created at June 13, 2005 13:24 / Updated at October 13, 2024 03:36