NAV

S-Methylcysteine

Identification

Generic Name
S-Methylcysteine
DrugBank Accession Number
DB02216
Background

Not Available

Type
Small Molecule
Groups
Experimental
Structure
3D
Similar Structures
Weight
Average: 135.185
Monoisotopic: 135.035399227
Chemical Formula
C4H9NO2S
Synonyms
Not Available
External IDs
  • NSC-15387

Pharmacology

Indication

Not Available

Reduce drug development failure rates
Build, train, & validate machine-learning models
with evidence-based and structured datasets.
See how
Build, train, & validate predictive machine-learning models with structured datasets.
See how
Contraindications & Blackbox Warnings
Avoid life-threatening adverse drug events
Improve clinical decision support with information on contraindications & blackbox warnings, population restrictions, harmful risks, & more.
Learn more
Avoid life-threatening adverse drug events & improve clinical decision support.
Learn more
Pharmacodynamics

Not Available

Mechanism of action
TargetActionsOrganism
UCathepsin DNot AvailableHumans
UMethylated-DNA--protein-cysteine methyltransferaseNot AvailableHumans
Absorption

Not Available

Volume of distribution

Not Available

Protein binding

Not Available

Metabolism
Not Available
Route of elimination

Not Available

Half-life

Not Available

Clearance

Not Available

Adverse Effects
Improve decision support & research outcomes
With structured adverse effects data, including: blackbox warnings, adverse reactions, warning & precautions, & incidence rates.
Learn more
Improve decision support & research outcomes with our structured adverse effects data.
Learn more
Toxicity

Not Available

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.
Not Available
Food Interactions
Not Available

Categories

Drug Categories
Chemical TaxonomyProvided by Classyfire
Description
This compound belongs to the class of organic compounds known as l-cysteine-s-conjugates. These are compounds containing L-cysteine where the thio-group is conjugated.
Kingdom
Organic compounds
Super Class
Organic acids and derivatives
Class
Carboxylic acids and derivatives
Sub Class
Amino acids, peptides, and analogues
Direct Parent
L-cysteine-S-conjugates
Alternative Parents
L-alpha-amino acids / Amino acids / Sulfenyl compounds / Monocarboxylic acids and derivatives / Dialkylthioethers / Carboxylic acids / Organopnictogen compounds / Organic oxides / Monoalkylamines / Hydrocarbon derivatives
show 1 more
Substituents
Aliphatic acyclic compound / Alpha-amino acid / Amine / Amino acid / Carbonyl group / Carboxylic acid / Dialkylthioether / Hydrocarbon derivative / L-alpha-amino acid / L-cysteine-s-conjugate
show 12 more
Molecular Framework
Aliphatic acyclic compounds
External Descriptors
S-alkyl-L-cysteine (CHEBI:45658)
Affected organisms
Not Available

Chemical Identifiers

UNII
A34I1H07YM
CAS number
1187-84-4
InChI Key
IDIDJDIHTAOVLG-VKHMYHEASA-N
InChI
InChI=1S/C4H9NO2S/c1-8-2-3(5)4(6)7/h3H,2,5H2,1H3,(H,6,7)/t3-/m0/s1
IUPAC Name
(2R)-2-amino-3-(methylsulfanyl)propanoic acid
SMILES
CSC[C@H](N)C(O)=O

References

General References
Not Available
Human Metabolome Database
HMDB0002108
PubChem Compound
24417
PubChem Substance
46506571
ChemSpider
22826
BindingDB
50213729
ChEBI
45658
ChEMBL
CHEMBL394875
ZINC
ZINC000003861771
PDBe Ligand
SMC
Wikipedia
S-Methylcysteine
PDB Entries
1czi / 1e6y / 1eh7 / 1gk8 / 1hbm / 1hbn / 1hbo / 1hbu / 1ir2 / 1lfo …
show 51 more

Clinical Trials

Clinical Trials
PhaseStatusPurposeConditionsCount

Pharmacoeconomics

Manufacturers
Not Available
Packagers
Not Available
Dosage Forms
Not Available
Prices
Not Available
Patents
Not Available

Properties

State
Solid
Experimental Properties
Not Available
Predicted Properties
PropertyValueSource
Water Solubility65.8 mg/mLALOGPS
logP-2.2ALOGPS
logP-2.4Chemaxon
logS-0.31ALOGPS
pKa (Strongest Acidic)2.44Chemaxon
pKa (Strongest Basic)9.15Chemaxon
Physiological Charge0Chemaxon
Hydrogen Acceptor Count3Chemaxon
Hydrogen Donor Count2Chemaxon
Polar Surface Area63.32 Å2Chemaxon
Rotatable Bond Count3Chemaxon
Refractivity32.87 m3·mol-1Chemaxon
Polarizability13.56 Å3Chemaxon
Number of Rings0Chemaxon
Bioavailability1Chemaxon
Rule of FiveYesChemaxon
Ghose FilterNoChemaxon
Veber's RuleNoChemaxon
MDDR-like RuleNoChemaxon
Predicted ADMET Features
PropertyValueProbability
Human Intestinal Absorption+0.9922
Blood Brain Barrier+0.7017
Caco-2 permeable-0.7504
P-glycoprotein substrateNon-substrate0.6603
P-glycoprotein inhibitor INon-inhibitor0.9807
P-glycoprotein inhibitor IINon-inhibitor0.9926
Renal organic cation transporterNon-inhibitor0.9366
CYP450 2C9 substrateNon-substrate0.8354
CYP450 2D6 substrateNon-substrate0.7728
CYP450 3A4 substrateNon-substrate0.7549
CYP450 1A2 substrateNon-inhibitor0.9327
CYP450 2C9 inhibitorNon-inhibitor0.9621
CYP450 2D6 inhibitorNon-inhibitor0.961
CYP450 2C19 inhibitorNon-inhibitor0.9672
CYP450 3A4 inhibitorNon-inhibitor0.9747
CYP450 inhibitory promiscuityLow CYP Inhibitory Promiscuity0.9966
Ames testNon AMES toxic0.9133
CarcinogenicityNon-carcinogens0.8504
BiodegradationReady biodegradable0.5783
Rat acute toxicity1.2908 LD50, mol/kg Not applicable
hERG inhibition (predictor I)Weak inhibitor0.9824
hERG inhibition (predictor II)Non-inhibitor0.9729
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
GC-MS Spectrum - GC-MS (1 TMS)GC-MSsplash10-0006-9500000000-daa44ef1254b2abffd37
GC-MS Spectrum - GC-MS (2 TMS)GC-MSsplash10-02t9-1950000000-7418765e9cc42b0155e4
Predicted GC-MS Spectrum - GC-MSPredicted GC-MSNot Available
GC-MS Spectrum - EI-BGC-MSsplash10-03fv-9000000000-d790345dc4143a2c43ef
GC-MS Spectrum - GC-MSGC-MSsplash10-0006-9500000000-daa44ef1254b2abffd37
GC-MS Spectrum - GC-MSGC-MSsplash10-02t9-1950000000-7418765e9cc42b0155e4
MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)LC-MS/MSsplash10-014i-1900000000-4a373aa1d088e914bead
MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)LC-MS/MSsplash10-00b9-9000000000-04c165848579841841db
MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)LC-MS/MSsplash10-00fr-9000000000-1b77045ef8e2cb3b10e8
MS/MS Spectrum - EI-B (HITACHI M-80) , PositiveLC-MS/MSsplash10-03fv-9000000000-9377aea80fe674b0a8de
Predicted MS/MS Spectrum - 10V, Positive (Annotated)Predicted LC-MS/MSNot Available
Predicted MS/MS Spectrum - 20V, Positive (Annotated)Predicted LC-MS/MSNot Available
Predicted MS/MS Spectrum - 40V, Positive (Annotated)Predicted LC-MS/MSNot Available
Predicted MS/MS Spectrum - 10V, Negative (Annotated)Predicted LC-MS/MSNot Available
Predicted MS/MS Spectrum - 20V, Negative (Annotated)Predicted LC-MS/MSNot Available
Predicted MS/MS Spectrum - 40V, Negative (Annotated)Predicted LC-MS/MSNot Available
1H NMR Spectrum1D NMRNot Applicable
[1H,13C] 2D NMR Spectrum2D NMRNot Applicable

Targets

Build, predict & validate machine-learning models
Use our structured and evidence-based datasets to unlock new
insights and accelerate drug research.
Learn more
Use our structured and evidence-based datasets to unlock new insights and accelerate drug research.
Learn more
Details1. Cathepsin D
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
General Function
Aspartic-type endopeptidase activity
Specific Function
Acid protease active in intracellular protein breakdown. Involved in the pathogenesis of several diseases such as breast cancer and possibly Alzheimer disease.
Gene Name
CTSD
Uniprot ID
P07339
Uniprot Name
Cathepsin D
Molecular Weight
44551.845 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. [Article]
  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. [Article]
  3. 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. [Article]
Details2. Methylated-DNA--protein-cysteine methyltransferase
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
General Function
Methyltransferase activity
Specific Function
Involved in the cellular defense against the biological effects of O6-methylguanine (O6-MeG) in DNA. Repairs alkylated guanine in DNA by stoichiometrically transferring the alkyl group at the O-6 p...
Gene Name
MGMT
Uniprot ID
P16455
Uniprot Name
Methylated-DNA--protein-cysteine methyltransferase
Molecular Weight
21645.83 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. [Article]
  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. [Article]

Carriers

Details1. Fatty acid-binding protein, liver
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
General Function
Phospholipid binding
Specific Function
Plays a role in lipoprotein-mediated cholesterol uptake in hepatocytes (PubMed:25732850). Binds cholesterol (PubMed:25732850). Binds free fatty acids and their coenzyme A derivatives, bilirubin, an...
Gene Name
FABP1
Uniprot ID
P07148
Uniprot Name
Fatty acid-binding protein, liver
Molecular Weight
14208.34 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. [Article]
  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. [Article]
  3. 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. [Article]

Drug created at June 13, 2005 13:24 / Updated at June 12, 2020 16:52