Tmic
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Record Information
Version2.0
Creation Date2014-09-05 17:11:30 UTC
Update Date2014-12-24 20:26:53 UTC
Accession NumberT3D4588
Identification
Common NameNordiazepam
ClassSmall Molecule
DescriptionNordiazepam is a metabolite of Diazepam. Diazepam, first marketed as Valium by Hoffmann-La Roche, is a benzodiazepine drug. Nordazepam, also known as desoxydemoxepam, nordiazepam and desmethyldiazepam, is a 1,4-benzodiazepine derivative. Like other benzodiazepine derivatives, it has anticonvulsant, anxiolytic, muscle relaxant and sedative properties. (Wikipedia)
Compound Type
  • Drug
  • Metabolite
  • Organic Compound
  • Organochloride
  • Synthetic Compound
Chemical Structure
Thumb
Synonyms
Synonym
1-Demethyldiazepam
7-Chloro-1,3-dihydro-5-phenyl-(2H)-1,4-benzodiazepin-2-one
7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one
7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one
Chlordesmethyldiazepam
Dealkylprazepam
Desmethyldiazepam
N-Demethyldiazepam
N-Deoxydemoxepam
N-desmethyldiazepam
N1-Desmethyldiazepam
Nordazepam
Nordazepamum
Norprazepam
Chemical FormulaC15H11ClN2O
Average Molecular Mass270.714 g/mol
Monoisotopic Mass270.056 g/mol
CAS Registry Number1088-11-5
IUPAC Name7-chloro-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-2-one
Traditional Namenordiazepam
SMILESOC1=NC2=C(C=C(Cl)C=C2)C(=NC1)C1=CC=CC=C1
InChI IdentifierInChI=1S/C15H11ClN2O/c16-11-6-7-13-12(8-11)15(17-9-14(19)18-13)10-4-2-1-3-5-10/h1-8H,9H2,(H,18,19)
InChI KeyInChIKey=AKPLHCDWDRPJGD-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as 1,4-benzodiazepines. These are organic compounds containing a benzene ring fused to a 1,4-azepine.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzodiazepines
Sub Class1,4-benzodiazepines
Direct Parent1,4-benzodiazepines
Alternative Parents
Substituents
  • 1,4-benzodiazepine
  • Aryl chloride
  • Aryl halide
  • Monocyclic benzene moiety
  • Benzenoid
  • Cyclic carboximidic acid
  • Ketimine
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Azacycle
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Organochloride
  • Organohalogen compound
  • Imine
  • Organopnictogen compound
  • Organic oxygen compound
  • Organic nitrogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Biological Properties
StatusDetected and Not Quantified
OriginExogenous
Cellular Locations
  • Cytoplasm
  • Membrane
Biofluid LocationsNot Available
Tissue Locations
  • Kidney
  • Liver
PathwaysNot Available
Applications
Biological Roles
Chemical RolesNot Available
Physical Properties
StateSolid
AppearanceWhite powder.
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
LogPNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.022 g/LALOGPS
logP2.79ALOGPS
logP3.21ChemAxon
logS-4.1ALOGPS
pKa (Strongest Acidic)12.3ChemAxon
pKa (Strongest Basic)2.85ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area41.46 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity76.7 m³·mol⁻¹ChemAxon
Polarizability27.41 ųChemAxon
Number of Rings3ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-06tf-0190000000-29b106f0dfb9b4601898View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , negativesplash10-014i-0090000000-08ab493d917dff556803View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , negativesplash10-0006-0090000000-b3902adae33dd2ada996View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , negativesplash10-0006-0090000000-e1f36555cb45aafb3578View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , negativesplash10-0006-0090000000-4599707b6c514e2fd140View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , negativesplash10-0006-0090000000-2afa9f8bad136457e913View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , negativesplash10-052f-0090000000-39292916fbbd987c9c79View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , negativesplash10-0udi-0490000000-93d06070b3ddb4f2bb1dView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , negativesplash10-0udi-0900000000-319db7de66dd214c6036View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-00di-0090000000-f12d8a37190a6a1a6260View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-00dl-0590000000-6667f22f2eaaa4d7d444View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-05mo-0950000000-9f91849bf0ea300eddf6View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-052f-0940000000-113f94a665f60922a3ccView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , positivesplash10-00di-0090000000-a17b063554f54d5ae790View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , positivesplash10-00di-0090000000-00d132ae0ea246d26e2aView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , positivesplash10-00di-0390000000-02873020d1329d3d5c38View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , positivesplash10-0006-1960000000-010c3ba06f80d4ace994View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , positivesplash10-052f-1930000000-327cc931b60592065b64View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , positivesplash10-0006-2910000000-0a0897ca546d1bc1cb27View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QFT , positivesplash10-0f6x-4900000000-7cc6b852b0d715a021c2View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00di-0090000000-42b4ac66c7efbf805ab7View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00di-0090000000-eade00da0853b4fc330eView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0k96-9760000000-acfef25bde706bde8e9dView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-014i-0090000000-1ed0d3938bd2d416daefView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-014i-0090000000-63aef3ca2706dc88c39fView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9220000000-e0ad5d0ad9c04e3b5ca9View in MoNA
MSMass Spectrum (Electron Ionization)splash10-006x-1290000000-16289dee622e983dadb4View in MoNA
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityBenzodiazepines bind nonspecifically to benzodiazepine receptors BNZ1, which mediates sleep, and BNZ2, which affects affects muscle relaxation, anticonvulsant activity, motor coordination, and memory. As benzodiazepine receptors are thought to be coupled to gamma-aminobutyric acid-A (GABAA) receptors, this enhances the effects of GABA by increasing GABA affinity for the GABA receptor. Binding of the inhibitory neurotransmitter GABA to the site opens the chloride channel, resulting in a hyperpolarized cell membrane that prevents further excitation of the cell.
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)No indication of carcinogenicity to humans (not listed by IARC).
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentGeneral supportive measures should be employed, along with intravenous fluids, and an adequate airway maintained. Hypotension may be combated by the use of norepinephrine or metaraminol. Dialysis is of limited value. Flumazenil (Anexate) is a competitive benzodiazepine receptor antagonist that can be used as an antidote for benzodiazepine overdose. In particular, flumazenil is very effective at reversing the CNS depression associated with benzodiazepines but is less effective at reversing respiratory depression. Its use, however, is controversial as it has numerous contraindications. It is contraindicated in patients who are on long-term benzodiazepines, those who have ingested a substance that lowers the seizure threshold, or in patients who have tachycardia or a history of seizures. As a general rule, medical observation and supportive care are the mainstay of treatment of benzodiazepine overdose. Although benzodiazepines are absorbed by activated charcoal, gastric decontamination with activated charcoal is not beneficial in pure benzodiazepine overdose as the risk of adverse effects often outweigh any potential benefit from the procedure. It is recommended only if benzodiazepines have been taken in combination with other drugs that may benefit from decontamination. Gastric lavage (stomach pumping) or whole bowel irrigation are also not recommended.
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
DrugBank IDNot Available
HMDB IDHMDB60538
PubChem Compound ID2997
ChEMBL IDCHEMBL523
ChemSpider ID2890
KEGG IDC07486
UniProt IDNot Available
OMIM ID
ChEBI ID111762
BioCyc IDNot Available
CTD IDNot Available
Stitch IDNot Available
PDB IDNot Available
ACToR IDNot Available
Wikipedia LinkNot Available
References
Synthesis ReferenceNot Available
MSDST3D4588.pdf
General ReferencesNot Available
Gene Regulation
Up-Regulated GenesNot Available
Down-Regulated GenesNot Available

Targets

General Function:
Inhibitory extracellular ligand-gated ion channel activity
Specific Function:
Component of the heteropentameric receptor for GABA, the major inhibitory neurotransmitter in the vertebrate brain. Functions also as histamine receptor and mediates cellular responses to histamine. Functions as receptor for diazepines and various anesthetics, such as pentobarbital; these are bound at a separate allosteric effector binding site. Functions as ligand-gated chloride channel (By similarity).
Gene Name:
GABRA1
Uniprot ID:
P14867
Molecular Weight:
51801.395 Da
References
  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
  2. 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 ]
General Function:
Inhibitory extracellular ligand-gated ion channel activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel.
Gene Name:
GABRA2
Uniprot ID:
P47869
Molecular Weight:
51325.85 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Inhibitory extracellular ligand-gated ion channel activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel.
Gene Name:
GABRA3
Uniprot ID:
P34903
Molecular Weight:
55164.055 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Transporter activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel.
Gene Name:
GABRA5
Uniprot ID:
P31644
Molecular Weight:
52145.645 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Ligand-gated ion channel activity
Specific Function:
Component of the heteropentameric receptor for GABA, the major inhibitory neurotransmitter in the vertebrate brain. Functions also as histamine receptor and mediates cellular responses to histamine. Functions as receptor for diazepines and various anesthetics, such as pentobarbital; these are bound at a separate allosteric effector binding site. Functions as ligand-gated chloride channel (By similarity).
Gene Name:
GABRB1
Uniprot ID:
P18505
Molecular Weight:
54234.085 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Inhibitory extracellular ligand-gated ion channel activity
Specific Function:
Component of the heteropentameric receptor for GABA, the major inhibitory neurotransmitter in the vertebrate brain. Functions also as histamine receptor and mediates cellular responses to histamine. Functions as receptor for diazepines and various anesthetics, such as pentobarbital; these are bound at a separate allosteric effector binding site. Functions as ligand-gated chloride channel.
Gene Name:
GABRB2
Uniprot ID:
P47870
Molecular Weight:
59149.895 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Gaba-gated chloride ion channel activity
Specific Function:
Component of the heteropentameric receptor for GABA, the major inhibitory neurotransmitter in the vertebrate brain. Functions also as histamine receptor and mediates cellular responses to histamine. Functions as receptor for diazepines and various anesthetics, such as pentobarbital; these are bound at a separate allosteric effector binding site. Functions as ligand-gated chloride channel.
Gene Name:
GABRB3
Uniprot ID:
P28472
Molecular Weight:
54115.04 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Gaba-a receptor activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel.
Gene Name:
GABRD
Uniprot ID:
O14764
Molecular Weight:
50707.835 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Inhibitory extracellular ligand-gated ion channel activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel.
Gene Name:
GABRE
Uniprot ID:
P78334
Molecular Weight:
57971.175 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Inhibitory extracellular ligand-gated ion channel activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel.
Gene Name:
GABRG1
Uniprot ID:
Q8N1C3
Molecular Weight:
53594.49 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Inhibitory extracellular ligand-gated ion channel activity
Specific Function:
Component of the heteropentameric receptor for GABA, the major inhibitory neurotransmitter in the vertebrate brain. Functions also as histamine receptor and mediates cellular responses to histamine. Functions as receptor for diazepines and various anesthetics, such as pentobarbital; these are bound at a separate allosteric effector binding site. Functions as ligand-gated chloride channel.
Gene Name:
GABRG2
Uniprot ID:
P18507
Molecular Weight:
54161.78 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Inhibitory extracellular ligand-gated ion channel activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel.
Gene Name:
GABRG3
Uniprot ID:
Q99928
Molecular Weight:
54288.16 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Gaba-a receptor activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel. In the uterus, the function of the receptor appears to be related to tissue contractility. The binding of this pI subunit with other GABA(A) receptor subunits alters the sensitivity of recombinant receptors to modulatory agents such as pregnanolone.
Gene Name:
GABRP
Uniprot ID:
O00591
Molecular Weight:
50639.735 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Gaba-a receptor activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel. Rho-1 GABA receptor could play a role in retinal neurotransmission.
Gene Name:
GABRR1
Uniprot ID:
P24046
Molecular Weight:
55882.91 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Gaba-a receptor activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel. Rho-2 GABA receptor could play a role in retinal neurotransmission.
Gene Name:
GABRR2
Uniprot ID:
P28476
Molecular Weight:
54150.41 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Gaba-a receptor activity
Specific Function:
GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel.
Gene Name:
GABRR3
Uniprot ID:
A8MPY1
Molecular Weight:
54271.1 Da
References
  1. Iorio LC, Barnett A, Billard W: Selective affinity of 1-N-trifluoroethyl benzodiazepines for cerebellar type 1 receptor sites. Life Sci. 1984 Jul 2;35(1):105-13. [6738302 ]
  2. Wamsley JK, Golden JS, Yamamura HI, Barnett A: Autoradiographic demonstration of the selectivity of two 1-N-trifluoroethyl benzodiazepines for the BZD-1 receptors in the rat brain. Pharmacol Biochem Behav. 1985 Dec;23(6):973-8. [2867566 ]
General Function:
Cholesterol binding
Specific Function:
Can bind protoporphyrin IX and may play a role in the transport of porphyrins and heme (By similarity). Promotes the transport of cholesterol across mitochondrial membranes and may play a role in lipid metabolism (PubMed:24814875), but its precise physiological role is controversial. It is apparently not required for steroid hormone biosynthesis. Was initially identified as peripheral-type benzodiazepine receptor; can also bind isoquinoline carboxamides (PubMed:1847678).
Gene Name:
TSPO
Uniprot ID:
P30536
Molecular Weight:
18827.81 Da
References
  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
  2. 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 ]
18. GABA-A receptor (anion channel) (Protein Group)
General Function:
Inhibitory extracellular ligand-gated ion channel activity
Specific Function:
Component of the heteropentameric receptor for GABA, the major inhibitory neurotransmitter in the vertebrate brain. Functions also as histamine receptor and mediates cellular responses to histamine. Functions as receptor for diazepines and various anesthetics, such as pentobarbital; these are bound at a separate allosteric effector binding site. Functions as ligand-gated chloride channel (By similarity).
Included Proteins:
P14867 , P47869 , P34903 , P48169 , P31644 , Q16445 , P18505 , P47870 , P28472 , O14764 , P78334 , Q8N1C3 , P18507 , Q99928 , O00591 , Q9UN88