TOP

TRIMETHOPRIM

Created:	1999-07-08
Last modified:	2011-06-04

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Chemical Details
Formal Charge	0
Atom Count	39
Chiral Atom Count	0
Bond Count	40
Aromatic Bond Count	12

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Chemical Component Summary
Name	TRIMETHOPRIM
Systematic Name (OpenEye OEToolkits)	5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine
Formula	C₁₄ H₁₈ N₄ O₃
Molecular Weight	290.318
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	10.04	n1c(N)c(cnc1N)Cc2cc(OC)c(OC)c(OC)c2
SMILES	CACTVS	3.341	COc1cc(Cc2cnc(N)nc2N)cc(OC)c1OC
SMILES	OpenEye OEToolkits	1.5.0	COc1cc(cc(c1OC)OC)Cc2cnc(nc2N)N
Canonical SMILES	CACTVS	3.341	COc1cc(Cc2cnc(N)nc2N)cc(OC)c1OC
Canonical SMILES	OpenEye OEToolkits	1.5.0	COc1cc(cc(c1OC)OC)Cc2cnc(nc2N)N
InChI	InChI	1.03	InChI=1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)
InChIKey	InChI	1.03	IEDVJHCEMCRBQM-UHFFFAOYSA-N

Drug Info: DrugBank

DrugBank data are sourced from datasets licensed under a Creative Common's Attribution-NonCommercial 4.0 International License

DrugBank ID	DB00440
Name	Trimethoprim
Groups	approved vet_approved investigational
Description	Trimethoprim is an antifolate antibacterial agent that inhibits bacterial dihydrofolate reductase (DHFR), a critical enzyme that catalyzes the formation of tetrahydrofolic acid (THF) - in doing so, it prevents the synthesis of bacterial DNA and ultimately continued bacterial survival.[L11893] Trimethoprim is often used in combination with [sulfamethoxazole] due to their complementary and synergistic mechanisms but may be used as a monotherapy in the treatment and/or prophylaxis of urinary tract infections.[L11893,L11830] It is structurally and chemically related to [pyrimethamine], another antifolate antimicrobial used in the treatment of plasmodial infections.[T707]
Synonyms	Trimethoprim hydrochloride 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine 2,4-diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine Trimethoprimum Triméthoprime Trimethoprim sulfate Trimethoprim Trimetoprima
Brand Names	Primsol Sulfamethoxazole and Trimethoprim SULFAMETHOXAZOLE AND TRIMETHOPRIM double strength Proloprim 200 Tab 200mg Septra Injection Septra Grape PrimSol Sulfamethoxazole and Trimethoprim for Injection, USP SULFAMETHOXAZOLE and TRIMETHOPRIM Teva-trimel DS Trimethoprim Tablets Coptin Tab Protrin Tab Apo-sulfatrim Oral Suspension PMS-polytrimethoprim Trimethoprim Sulfatrim Sulfatrim DS Septra DS Nu-cotrimox Tab 400/80mg Polymyxin B Sulfate and Trimethoprim Polytrim Sulfamethoxazole and Trimethoprim Double Strength Bactrim Roche Suspension Paediatric SulfatrimTM Pediatric Suspension Septra Polytrim Ophthalmic Solution POLYMYXIN B SULFATE and TRIMETHOPRIM SULFATE Roubac Tab 80/400 Riva-sep DS Proloprim Tab 100mg Proloprim Trimethoprim sulfate and Polymyxin B sulfate Sulfamethoxazole and Trimethoprim (Double Strength) Bactrim DS Bactrim Sulfamethox-TMP DS Sulfatrim Pediatric Trisulfa DS Tab Nu-cotrimox Sus 40/8mg/ml TRIMPEX trimethoprim hydrochloride Septra Pediatric Suspension Bactrim DS Roche Tab Protrin Df Tab Bactrim Roche Inj Sulfamethoxazole and Trimethoprim DS Sulfameth/Trimeth-DS Trisulfa Tab Nu-cotrimox-DS Tab 800/160mg Coptin Oral Suspension Roubac Tab 160/800 Septra DS Tablets Teva-trimel Bactrim Roche Tab Sandoz Polytrimethoprim Trisulfa S Suspension Sulfamethoxazole and Trimethoprim Tablets Polymyxin B Sulfate and Trimethoprim Sulfate Sulfamethoxazole and Trimethoprim Injection, BP sulfamethoxazole-trimethoprim (SMZ)
Indication	As a monotherapy, trimethoprim is indicated for the treatment of acute episodes of uncomplicated urinary tract infections caused by susceptible bacteria, including _E. coli._, _K. pneumoniae_, _Enterobacter spp._, _P. mirabilis_, and coagulase-negative _Staphylococcus_ species.[L11893,L11890] In various formulations in combination with [sulfamethoxazole], trimethoprim is indicated for the following infections caused by bacteria with documented susceptibility: urinary tract infections, acute otitis media in pediatric patients (when clinically indicated), acute exacerbations of chronic bronchitis in adults, enteritis caused by susceptible _Shigella_, prophylaxis and treatment of _Pneumocystis jiroveci_ pneumonia, and travelers' diarrhea caused by enterotoxigenic _E. coli_.[L11830,L11863] Trimethoprim is available as an ophthalmic solution in combination with [polymyxin B] for the treatment of acute bacterial conjunctivitis, blepharitis, and blepharoconjunctivitis caused by susceptible bacteria.[L11887]
Categories	Agents causing hyperkalemia Agents Causing Muscle Toxicity Anti-Infective Agents Anti-Infective Agents, Urinary Antibacterials for Systemic Use Antibiotics for Pneumocystis Pneumonia Antiinfectives for Systemic Use Antimycobacterials Cytochrome P-450 CYP1A2 Substrates Cytochrome P-450 CYP2C8 Inhibitors Cytochrome P-450 CYP2C8 Inhibitors (moderate) Cytochrome P-450 CYP2C8 Substrates Cytochrome P-450 CYP2C9 Substrates Cytochrome P-450 CYP3A Substrates Cytochrome P-450 CYP3A4 Substrates Cytochrome P-450 Enzyme Inhibitors Cytochrome P-450 Substrates Drugs causing inadvertant photosensitivity Drugs that are Mainly Renally Excreted Enzyme Inhibitors Folic Acid Antagonists MATE 1 Inhibitors MATE 1 Substrates MATE 2 Inhibitors MATE 2 Substrates MATE inhibitors MATE substrates P-glycoprotein inducers P-glycoprotein inhibitors P-glycoprotein substrates Photosensitizing Agents Pyrimidines Renal Agents Sulfonamides and trimethoprim Trimethoprim and Derivatives
ATC-Code	J04AM08 J01EE03 J01EA01 J01EE01 J01EE04 J01EE02 J01EE05 J01EE07
CAS number	738-70-5

Drug Targets

DrugBank data are sourced from datasets licensed under a Creative Common's Attribution-NonCommercial 4.0 International License

Name	Target Sequence	Pharmacological Action	Actions
Dihydrofolate reductase	MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESI...	unknown	inhibitor
Dihydrofolate reductase	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSVEGKQNL...	unknown	modulator
Cytochrome P450 2C9	MDSLVVLVLCLSCLLLLSLWRQSSGRGKLPPGPTPLPVIGNILQIGIKDI...	unknown	substrate
Cytochrome P450 3A4	MALIPDLAMETWLLLAVSLVLLYLYGTHSHGLFKKLGIPGPTPLPFLGNI...	unknown	substrate
Cytochrome P450 1A2	MALSQSVPFSATELLLASAIFCLVFWVLKGLRPRVPKGLKSPPEPWGWPL...	unknown	substrate
Cytochrome P450 2C8	MEPFVVLVLCLSFMLLFSLWRQSCRRRKLPPGPTPLPIIGNMLQIDVKDI...	unknown	substrate,inhibitor
ATP-dependent translocase ABCB1	MDLEGDRNGGAKKKNFFKLNNKSEKDKKEKKPTVSVFSMFRYSNWLDKLY...	unknown	substrate
Multidrug and toxin extrusion protein 1	MEAPEEPAPVRGGPEATLEVRGSRCLRLSAFREELRALLVLAGPAFLVQL...	unknown	substrate,inhibitor
Multidrug and toxin extrusion protein 2	MDSLQDTVALDHGGCCPALSRLVPRGFGTEMWTLFALSGPLFLFQVLTFM...	unknown	substrate,inhibitor
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Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682

Related Resource References

Resource Name	Reference
Pharos	CHEMBL22
PubChem	5578
ChEMBL	CHEMBL22
ChEBI	CHEBI:45924
CCDC/CSD	AMXBPM13, AMXBPM12, AMXBPM10, AMXBPM11, QASHEX, GIGQIX, BEXVOP
COD	4512814, 4512813, 2019772, 7246192, 7246193