T3DB: Methotrimeprazine

Identification Taxonomy Biological Properties Physical Properties Toxicity Profile Spectra Concentrations Links References Gene Regulation Targets (20)XML

Targets (20)

Record Information

Version

2.0

Creation Date

2009-07-21 20:28:48 UTC

Update Date

2014-12-24 20:25:56 UTC

Accession Number

T3D3041

Identification

Common Name

Methotrimeprazine

Class

Small Molecule

Description

Methotrimeprazine is only found in individuals that have used or taken this drug. It is a phenothiazine with pharmacological activity similar to that of both chlorpromazine and promethazine. It has the histamine-antagonist properties of the antihistamines together with central nervous system effects resembling those of chlorpromazine. (From Martindale, The Extra Pharmacopoeia, 30th ed, p604). Methotrimeprazine's antipsychotic effect is largely due to its antagonism of dopamine receptors in the brain. In addition, its binding to 5HT2 receptors may also play a role.

Compound Type

Amine
Analgesic, Non-Narcotic
Antipsychotic Agent
Dopamine Antagonist
Drug
Ether
Metabolite
Organic Compound
Synthetic Compound

Chemical Structure

MOL SDF PDB SMILES InChI

Synonyms

Synonym
(-)-(2R)-3-(2-Methoxy-10H-phenothiazin-10-yl)-N,N,2-trimethylpropan-1-amine
(-)-10-(3-(Dimethylamino)-2-methylpropyl)-2-methoxyphenothiazine
2-Methoxytrimeprazine
Levomepromazina
Levomepromazine
Levomepromazinum
Levoprome
Neurocil
Nosinan
Nozinan

Chemical Formula

C₁₉H₂₄N₂OS

Average Molecular Mass

328.472 g/mol

Monoisotopic Mass

328.161 g/mol

CAS Registry Number

60-99-1

IUPAC Name

[(2R)-3-(2-methoxy-10H-phenothiazin-10-yl)-2-methylpropyl]dimethylamine

Traditional Name

methotrimeprazine

SMILES

[H][C@@](C)(CN(C)C)CN1C2=CC=CC=C2SC2=C1C=C(OC)C=C2

InChI Identifier

InChI=1S/C19H24N2OS/c1-14(12-20(2)3)13-21-16-7-5-6-8-18(16)23-19-10-9-15(22-4)11-17(19)21/h5-11,14H,12-13H2,1-4H3/t14-/m1/s1

InChI Key

InChIKey=VRQVVMDWGGWHTJ-CQSZACIVSA-N

Chemical Taxonomy

Description

belongs to the class of organic compounds known as phenothiazines. These are polycyclic aromatic compounds containing a phenothiazine moiety, which is a linear tricyclic system that consists of a two benzene rings joined by a para-thiazine ring.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Benzothiazines

Sub Class

Phenothiazines

Direct Parent

Phenothiazines

Alternative Parents

Substituents

Phenothiazine
Alkyldiarylamine
Diarylthioether
Aryl thioether
Anisole
Tertiary aliphatic/aromatic amine
Alkyl aryl ether
Para-thiazine
Benzenoid
Tertiary aliphatic amine
Tertiary amine
Ether
Azacycle
Thioether
Organooxygen compound
Organonitrogen compound
Organic nitrogen compound
Organopnictogen compound
Hydrocarbon derivative
Organic oxygen compound
Amine
Aromatic heteropolycyclic compound

Molecular Framework

Aromatic heteropolycyclic compounds

External Descriptors

phenothiazines (CHEBI:6838 )
tertiary amine (CHEBI:6838 )

Biological Properties

Status

Detected and Not Quantified

Origin

Exogenous

Cellular Locations

Membrane

Biofluid Locations

Not Available

Tissue Locations

Not Available

Pathways

Not Available

Applications

Biological Roles

Chemical Roles

EC 3.4.21.26 (prolyl oligopeptidase) inhibitor

Physical Properties

State

Solid

Appearance

White powder.

Experimental Properties

Property	Value
Melting Point	Not Available
Boiling Point	Not Available
Solubility	20 mg/L (at 25°C)
LogP	4.68

Predicted Properties

Property	Value	Source
Water Solubility	0.0052 g/L	ALOGPS
logP	4.84	ALOGPS
logP	4.25	ChemAxon
logS	-4.8	ALOGPS
pKa (Strongest Basic)	9.42	ChemAxon
Physiological Charge	1	ChemAxon
Hydrogen Acceptor Count	3	ChemAxon
Hydrogen Donor Count	0	ChemAxon
Polar Surface Area	15.71 Å²	ChemAxon
Rotatable Bond Count	5	ChemAxon
Refractivity	99.83 m³·mol⁻¹	ChemAxon
Polarizability	36.77 Å³	ChemAxon
Number of Rings	3	ChemAxon
Bioavailability	1	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	Yes	ChemAxon
Veber's Rule	Yes	ChemAxon
MDDR-like Rule	Yes	ChemAxon

Spectra

Spectrum Type	Description	Splash Key	Deposition Date	View
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	splash10-0a4i-9272000000-663ed1e564555c7e8fae	2017-09-01	View Spectrum
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	Not Available	2021-10-12	View Spectrum
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	Not Available	2021-10-12	View Spectrum
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ , positive	splash10-004i-0009000000-292add600a1d733c3662	2017-09-14	View Spectrum
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ , positive	splash10-004i-0319000000-9bcdb870e16f29c42cc7	2017-09-14	View Spectrum
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ , positive	splash10-0udi-2920000000-f73fff6b08acc61ea5b7	2017-09-14	View Spectrum
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ , positive	splash10-0zfr-6920000000-dc5968beb0d112813d55	2017-09-14	View Spectrum
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ , positive	splash10-0a4i-9410000000-0d1f6734452bedc68d3f	2017-09-14	View Spectrum
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-IT , positive	splash10-0udi-0910000000-10fe32fa41981fcda652	2017-09-14	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Positive	splash10-004i-0469000000-698db513d68f8238a284	2016-06-03	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-0ue9-3983000000-0963d25ff0f442a1b819	2016-06-03	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-0pc3-9420000000-45332e32eecba186d700	2016-06-03	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-004i-0019000000-783dfd7af7ab08cc7337	2016-08-03	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-00p0-0494000000-78a58d14f5fb19218ba8	2016-08-03	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-002b-3960000000-d1127cf211de0694b952	2016-08-03	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Positive	splash10-004i-1109000000-34d749e2d87b91114995	2021-10-11	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-0a4i-9344000000-c57c58a83df0fed1de87	2021-10-11	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-0a4i-9010000000-9234afceb922b3e5fbf0	2021-10-11	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-004i-0019000000-30741f7748d9c6819aaa	2021-10-12	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-004i-0095000000-978af20f8f7527c06c88	2021-10-12	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-0fb9-0190000000-60e894c19f034f06f29d	2021-10-12	View Spectrum
MS	Mass Spectrum (Electron Ionization)	splash10-056r-9356000000-bb17e4980980d336d337	2014-09-20	View Spectrum

Toxicity Profile

Route of Exposure

Oral; parental (intramuscular). Methotrimeprazine has an incomplete oral bioavailability, because it undergoes considerable first-pass-metabolism in the liver. Oral bioavailability is approximately 50 to 60%.

Mechanism of Toxicity

Methotrimeprazine's antipsychotic effect is largely due to its antagonism of dopamine receptors in the brain. In addition, its binding to 5HT2 receptors may also play a role. Methotrimeprazine exerts its actions through a central adrenergic-blocking, a dopamine-blocking, a serotonin-blocking, and a anticholinergic blocking.

Metabolism

Hepatic. Methotrimeprazine is metabolized in the liver and degraded to a sulfoxid-, a glucuronid- and a demethyl-moiety. Half Life: Approximately 20 hours.

Toxicity Values

Not Available

Lethal Dose

Not Available

Carcinogenicity (IARC Classification)

No indication of carcinogenicity to humans (not listed by IARC).

Uses/Sources

For the treatment of psychosis, particular those of schizophrenia, and manic phases of bipolar disorder. As a potentiator of anesthetics: In general anesthesia where it can be used as both a pre- and post-operative sedative and analgesic. (4) As an anti-emetic: For the treatment of nausea and vomiting of central origin.(4) As a sedative: For the management of insomnia. (4)

Minimum Risk Level

Not Available

Health Effects

Not Available

Symptoms

Symptoms of overdose include convulsions, spastic movements, and coma.

Treatment

Not Available

Normal Concentrations

Not Available

Abnormal Concentrations

Not Available

External Links

DrugBank ID

HMDB ID

PubChem Compound ID

ChEMBL ID

ChemSpider ID

KEGG ID

UniProt ID

Not Available

OMIM ID

ChEBI ID

6838

BioCyc ID

Not Available

CTD ID

Not Available

Stitch ID

Methotrimeprazine

PDB ID

Not Available

ACToR ID

Not Available

Wikipedia Link

Levomepromazine

References

Synthesis Reference

Christian Berger, “Process for preparing levomepromazine hydrogen maleate.” U.S. Patent US4798895, issued January 17, 1989.

MSDS

T3D3041.pdf

General References

Harati Y, Gooch C, Swenson M, Edelman S, Greene D, Raskin P, Donofrio P, Cornblath D, Sachdeo R, Siu CO, Kamin M: Double-blind randomized trial of tramadol for the treatment of the pain of diabetic neuropathy. Neurology. 1998 Jun;50(6):1842-6. [9633738 ]
Martindale, The Extra Pharmacopoeia, 30th ed, p604
Doctissimo.ca (2009). Nozinan. [Link]
Drug monograph for Methotrimeprazine [Link]

Gene Regulation

Up-Regulated Genes

Not Available

Down-Regulated Genes

Not Available

Targets

Target Details

1. Alpha-2A adrenergic receptor

General Function:: Thioesterase binding
Specific Function:: Alpha-2 adrenergic receptors mediate the catecholamine-induced inhibition of adenylate cyclase through the action of G proteins. The rank order of potency for agonists of this receptor is oxymetazoline > clonidine > epinephrine > norepinephrine > phenylephrine > dopamine > p-synephrine > p-tyramine > serotonin = p-octopamine. For antagonists, the rank order is yohimbine > phentolamine = mianserine > chlorpromazine = spiperone = prazosin > propanolol > alprenolol = pindolol.
Gene Name:: ADRA2A
Uniprot ID:: P08913
Molecular Weight:: 48956.275 Da

References

Green B, Pettit T, Faith L, Seaton K: Focus on levomepromazine. Curr Med Res Opin. 2004 Dec;20(12):1877-81. [15701205 ]
Dahl SG, Hough E, Hals PA: Phenothiazine drugs and metabolites: molecular conformation and dopaminergic, alpha adrenergic and muscarinic cholinergic receptor binding. Biochem Pharmacol. 1986 Apr 15;35(8):1263-9. [2870716 ]
Tsukamoto T, Asakura M, Hirata N, Imafuku J, Matsui H, Hasegawa K: Interaction of neuroleptics and antidepressants with rat brain alpha 2-receptors: a possible relationship between alpha 2-receptor antagonism and antidepressant action. Biol Psychiatry. 1984 Sep;19(9):1283-91. [6149771 ]

Target Details

2. Alpha-2B adrenergic receptor

General Function:: Epinephrine binding
Specific Function:: Alpha-2 adrenergic receptors mediate the catecholamine-induced inhibition of adenylate cyclase through the action of G proteins. The rank order of potency for agonists of this receptor is clonidine > norepinephrine > epinephrine = oxymetazoline > dopamine > p-tyramine = phenylephrine > serotonin > p-synephrine / p-octopamine. For antagonists, the rank order is yohimbine > chlorpromazine > phentolamine > mianserine > spiperone > prazosin > alprenolol > propanolol > pindolol.
Gene Name:: ADRA2B
Uniprot ID:: P18089
Molecular Weight:: 49565.8 Da

References

Green B, Pettit T, Faith L, Seaton K: Focus on levomepromazine. Curr Med Res Opin. 2004 Dec;20(12):1877-81. [15701205 ]
Dahl SG, Hough E, Hals PA: Phenothiazine drugs and metabolites: molecular conformation and dopaminergic, alpha adrenergic and muscarinic cholinergic receptor binding. Biochem Pharmacol. 1986 Apr 15;35(8):1263-9. [2870716 ]
Tsukamoto T, Asakura M, Hirata N, Imafuku J, Matsui H, Hasegawa K: Interaction of neuroleptics and antidepressants with rat brain alpha 2-receptors: a possible relationship between alpha 2-receptor antagonism and antidepressant action. Biol Psychiatry. 1984 Sep;19(9):1283-91. [6149771 ]

Target Details

3. Alpha-2C adrenergic receptor

General Function:: Protein homodimerization activity
Specific Function:: Alpha-2 adrenergic receptors mediate the catecholamine-induced inhibition of adenylate cyclase through the action of G proteins.
Gene Name:: ADRA2C
Uniprot ID:: P18825
Molecular Weight:: 49521.585 Da

References

Green B, Pettit T, Faith L, Seaton K: Focus on levomepromazine. Curr Med Res Opin. 2004 Dec;20(12):1877-81. [15701205 ]
Dahl SG, Hough E, Hals PA: Phenothiazine drugs and metabolites: molecular conformation and dopaminergic, alpha adrenergic and muscarinic cholinergic receptor binding. Biochem Pharmacol. 1986 Apr 15;35(8):1263-9. [2870716 ]
Tsukamoto T, Asakura M, Hirata N, Imafuku J, Matsui H, Hasegawa K: Interaction of neuroleptics and antidepressants with rat brain alpha 2-receptors: a possible relationship between alpha 2-receptor antagonism and antidepressant action. Biol Psychiatry. 1984 Sep;19(9):1283-91. [6149771 ]

Target Details

4. D(2) dopamine receptor

General Function:: Potassium channel regulator activity
Specific Function:: Dopamine receptor whose activity is mediated by G proteins which inhibit adenylyl cyclase.
Gene Name:: DRD2
Uniprot ID:: P14416
Molecular Weight:: 50618.91 Da

References

Green B, Pettit T, Faith L, Seaton K: Focus on levomepromazine. Curr Med Res Opin. 2004 Dec;20(12):1877-81. [15701205 ]
Dahl SG, Hough E, Hals PA: Phenothiazine drugs and metabolites: molecular conformation and dopaminergic, alpha adrenergic and muscarinic cholinergic receptor binding. Biochem Pharmacol. 1986 Apr 15;35(8):1263-9. [2870716 ]
Berman HM, Westbrook J, Feng Z, Gilliland G, Bhat TN, Weissig H, Shindyalov IN, Bourne PE: The Protein Data Bank. Nucleic Acids Res. 2000 Jan 1;28(1):235-42. [10592235 ]

Target Details

5. 5-hydroxytryptamine receptor 2B

General Function:: Serotonin receptor activity
Specific Function:: G-protein coupled receptor for 5-hydroxytryptamine (serotonin). Also functions as a receptor for various ergot alkaloid derivatives and psychoactive substances. Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of down-stream effectors. Beta-arrestin family members inhibit signaling via G proteins and mediate activation of alternative signaling pathways. Signaling activates a phosphatidylinositol-calcium second messenger system that modulates the activity of phosphatidylinositol 3-kinase and down-stream signaling cascades and promotes the release of Ca(2+) ions from intracellular stores. Plays a role in the regulation of dopamine and 5-hydroxytryptamine release, 5-hydroxytryptamine uptake and in the regulation of extracellular dopamine and 5-hydroxytryptamine levels, and thereby affects neural activity. May play a role in the perception of pain. Plays a role in the regulation of behavior, including impulsive behavior. Required for normal proliferation of embryonic cardiac myocytes and normal heart development. Protects cardiomyocytes against apoptosis. Plays a role in the adaptation of pulmonary arteries to chronic hypoxia. Plays a role in vasoconstriction. Required for normal osteoblast function and proliferation, and for maintaining normal bone density. Required for normal proliferation of the interstitial cells of Cajal in the intestine.
Gene Name:: HTR2B
Uniprot ID:: P41595
Molecular Weight:: 54297.41 Da

References

Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]

Target Details

6. Alpha-1A adrenergic receptor

General Function:: Protein heterodimerization activity
Specific Function:: This alpha-adrenergic receptor mediates its action by association with G proteins that activate a phosphatidylinositol-calcium second messenger system. Its effect is mediated by G(q) and G(11) proteins. Nuclear ADRA1A-ADRA1B heterooligomers regulate phenylephrine(PE)-stimulated ERK signaling in cardiac myocytes.
Gene Name:: ADRA1A
Uniprot ID:: P35348
Molecular Weight:: 51486.005 Da

References

Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]

Target Details

7. Alpha-1B adrenergic receptor

General Function:: Protein heterodimerization activity
Specific Function:: This alpha-adrenergic receptor mediates its action by association with G proteins that activate a phosphatidylinositol-calcium second messenger system. Its effect is mediated by G(q) and G(11) proteins. Nuclear ADRA1A-ADRA1B heterooligomers regulate phenylephrine (PE)-stimulated ERK signaling in cardiac myocytes.
Gene Name:: ADRA1B
Uniprot ID:: P35368
Molecular Weight:: 56835.375 Da

References

Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]

Target Details

8. Alpha-1D adrenergic receptor

General Function:: Alpha1-adrenergic receptor activity
Specific Function:: This alpha-adrenergic receptor mediates its effect through the influx of extracellular calcium.
Gene Name:: ADRA1D
Uniprot ID:: P25100
Molecular Weight:: 60462.205 Da

References

Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]

Target Details

9. D(3) dopamine receptor

General Function:: G-protein coupled amine receptor activity
Specific Function:: Dopamine receptor whose activity is mediated by G proteins which inhibit adenylyl cyclase. Promotes cell proliferation.
Gene Name:: DRD3
Uniprot ID:: P35462
Molecular Weight:: 44224.335 Da

References

Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]

Target Details

10. Muscarinic acetylcholine receptor M1

General Function:: Phosphatidylinositol phospholipase c activity
Specific Function:: The muscarinic acetylcholine receptor mediates various cellular responses, including inhibition of adenylate cyclase, breakdown of phosphoinositides and modulation of potassium channels through the action of G proteins. Primary transducing effect is Pi turnover.
Gene Name:: CHRM1
Uniprot ID:: P11229
Molecular Weight:: 51420.375 Da

References

Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]

Target Details

11. Muscarinic acetylcholine receptor M2

General Function:: G-protein coupled acetylcholine receptor activity
Specific Function:: The muscarinic acetylcholine receptor mediates various cellular responses, including inhibition of adenylate cyclase, breakdown of phosphoinositides and modulation of potassium channels through the action of G proteins. Primary transducing effect is adenylate cyclase inhibition. Signaling promotes phospholipase C activity, leading to the release of inositol trisphosphate (IP3); this then triggers calcium ion release into the cytosol.
Gene Name:: CHRM2
Uniprot ID:: P08172
Molecular Weight:: 51714.605 Da

References

Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]

Target Details

12. Muscarinic acetylcholine receptor M3

General Function:: Receptor activity
Specific Function:: The muscarinic acetylcholine receptor mediates various cellular responses, including inhibition of adenylate cyclase, breakdown of phosphoinositides and modulation of potassium channels through the action of G proteins. Primary transducing effect is Pi turnover.
Gene Name:: CHRM3
Uniprot ID:: P20309
Molecular Weight:: 66127.445 Da

References

Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]

Target Details

13. Muscarinic acetylcholine receptor M4

General Function:: Guanyl-nucleotide exchange factor activity
Specific Function:: The muscarinic acetylcholine receptor mediates various cellular responses, including inhibition of adenylate cyclase, breakdown of phosphoinositides and modulation of potassium channels through the action of G proteins. Primary transducing effect is inhibition of adenylate cyclase.
Gene Name:: CHRM4
Uniprot ID:: P08173
Molecular Weight:: 53048.65 Da

References

Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]

Target Details

14. Muscarinic acetylcholine receptor M5

General Function:: Phosphatidylinositol phospholipase c activity
Specific Function:: The muscarinic acetylcholine receptor mediates various cellular responses, including inhibition of adenylate cyclase, breakdown of phosphoinositides and modulation of potassium channels through the action of G proteins. Primary transducing effect is Pi turnover.
Gene Name:: CHRM5
Uniprot ID:: P08912
Molecular Weight:: 60073.205 Da

References

Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]

Target Details

15. 5-hydroxytryptamine receptor 2A

General Function:: Virus receptor activity
Specific Function:: G-protein coupled receptor for 5-hydroxytryptamine (serotonin). Also functions as a receptor for various drugs and psychoactive substances, including mescaline, psilocybin, 1-(2,5-dimethoxy-4-iodophenyl)-2-aminopropane (DOI) and lysergic acid diethylamide (LSD). Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of down-stream effectors. Beta-arrestin family members inhibit signaling via G proteins and mediate activation of alternative signaling pathways. Signaling activates phospholipase C and a phosphatidylinositol-calcium second messenger system that modulates the activity of phosphatidylinositol 3-kinase and promotes the release of Ca(2+) ions from intracellular stores. Affects neural activity, perception, cognition and mood. Plays a role in the regulation of behavior, including responses to anxiogenic situations and psychoactive substances. Plays a role in intestinal smooth muscle contraction, and may play a role in arterial vasoconstriction.(Microbial infection) Acts as a receptor for human JC polyomavirus/JCPyV.
Gene Name:: HTR2A
Uniprot ID:: P28223
Molecular Weight:: 52602.58 Da

References

Green B, Pettit T, Faith L, Seaton K: Focus on levomepromazine. Curr Med Res Opin. 2004 Dec;20(12):1877-81. [15701205 ]

Target Details

16. 5-hydroxytryptamine receptor 2C

General Function:: Serotonin receptor activity
Specific Function:: G-protein coupled receptor for 5-hydroxytryptamine (serotonin). Also functions as a receptor for various drugs and psychoactive substances, including ergot alkaloid derivatives, 1-2,5,-dimethoxy-4-iodophenyl-2-aminopropane (DOI) and lysergic acid diethylamide (LSD). Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of down-stream effectors. Beta-arrestin family members inhibit signaling via G proteins and mediate activation of alternative signaling pathways. Signaling activates a phosphatidylinositol-calcium second messenger system that modulates the activity of phosphatidylinositol 3-kinase and down-stream signaling cascades and promotes the release of Ca(2+) ions from intracellular stores. Regulates neuronal activity via the activation of short transient receptor potential calcium channels in the brain, and thereby modulates the activation of pro-opiomelacortin neurons and the release of CRH that then regulates the release of corticosterone. Plays a role in the regulation of appetite and eating behavior, responses to anxiogenic stimuli and stress. Plays a role in insulin sensitivity and glucose homeostasis.
Gene Name:: HTR2C
Uniprot ID:: P28335
Molecular Weight:: 51820.705 Da

References

Green B, Pettit T, Faith L, Seaton K: Focus on levomepromazine. Curr Med Res Opin. 2004 Dec;20(12):1877-81. [15701205 ]

Target Details

17. D(1A) dopamine receptor

General Function:: G-protein coupled amine receptor activity
Specific Function:: Dopamine receptor whose activity is mediated by G proteins which activate adenylyl cyclase.
Gene Name:: DRD1
Uniprot ID:: P21728
Molecular Weight:: 49292.765 Da

References

Green B, Pettit T, Faith L, Seaton K: Focus on levomepromazine. Curr Med Res Opin. 2004 Dec;20(12):1877-81. [15701205 ]

Target Details

18. D(1B) dopamine receptor

General Function:: G-protein coupled amine receptor activity
Specific Function:: Dopamine receptor whose activity is mediated by G proteins which activate adenylyl cyclase.
Gene Name:: DRD5
Uniprot ID:: P21918
Molecular Weight:: 52950.5 Da

References

Green B, Pettit T, Faith L, Seaton K: Focus on levomepromazine. Curr Med Res Opin. 2004 Dec;20(12):1877-81. [15701205 ]

Target Details

19. D(4) dopamine receptor

General Function:: Sh3 domain binding
Specific Function:: Dopamine receptor responsible for neuronal signaling in the mesolimbic system of the brain, an area of the brain that regulates emotion and complex behavior. Its activity is mediated by G proteins which inhibit adenylyl cyclase. Modulates the circadian rhythm of contrast sensitivity by regulating the rhythmic expression of NPAS2 in the retinal ganglion cells (By similarity).
Gene Name:: DRD4
Uniprot ID:: P21917
Molecular Weight:: 48359.86 Da

References

Green B, Pettit T, Faith L, Seaton K: Focus on levomepromazine. Curr Med Res Opin. 2004 Dec;20(12):1877-81. [15701205 ]

Target Details

20. Histamine H1 receptor

General Function:: Histamine receptor activity
Specific Function:: In peripheral tissues, the H1 subclass of histamine receptors mediates the contraction of smooth muscles, increase in capillary permeability due to contraction of terminal venules, and catecholamine release from adrenal medulla, as well as mediating neurotransmission in the central nervous system.
Gene Name:: HRH1
Uniprot ID:: P35367
Molecular Weight:: 55783.61 Da

References

Hals PA, Hall H, Dahl SG: Muscarinic cholinergic and histamine H1 receptor binding of phenothiazine drug metabolites. Life Sci. 1988;43(5):405-12. [2899826 ]

Methotrimeprazine (T3D3041)

Structure for T3D3041: Methotrimeprazine

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