IMPPAT Phytochemical information: 
S-Methylthiocysteine
S-Methylthiocysteine
Summary

SMILES: CSSC[C@@H](C(=O)O)N
InChI: InChI=1S/C4H9NO2S2/c1-8-9-2-3(5)4(6)7/h3H,2,5H2,1H3,(H,6,7)/t3-/m0/s1
InChIKey: PYFNLWPQPNXHCS-VKHMYHEASA-N
DeepSMILES: CSSC[C@@H]C=O)O))N
Functional groups: CC(=O)O; CN; CSSC
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Organic acids and derivatives
ClassyFire Class: Carboxylic acids and derivatives
ClassyFire Subclass: Amino acids, peptides, and analogues
NP Classifier Biosynthetic pathway: Amino acids and Peptides
NP Classifier Superclass: Small peptides
NP Classifier Class: Aminoacids
Synonymous chemical names:
s-methylthio-l-cysteine
External chemical identifiers:
CID:3080775; SureChEMBL:SCHEMBL6575667
Chemical structure download
2D:2D MOL2D MOL22D SDF
3D:3D MOL3D MOL23D SDF3D PDB3D PDBQT
S-Methylthiocysteine
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 167.26
Log P RDKit 0.41
Topological polar surface area (Å2) RDKit 63.32
Number of hydrogen bond acceptors RDKit 4
Number of hydrogen bond donors RDKit 2
Number of carbon atoms RDKit 4
Number of heavy atoms RDKit 9
Number of heteroatoms RDKit 5
Number of nitrogen atoms RDKit 1
Number of sulfur atoms RDKit 2
Number of chiral carbon atoms RDKit 1
Stereochemical complexity RDKit 0.25
Number of sp hybridized carbon atoms RDKit 0
Number of sp2 hybridized carbon atoms RDKit 1
Number of sp3 hybridized carbon atoms RDKit 3
Shape complexity RDKit 0.75
Number of rotatable bonds RDKit 4
Number of aliphatic carbocycles RDKit 0
Number of aliphatic heterocycles RDKit 0
Number of aliphatic rings RDKit 0
Number of aromatic carbocycles RDKit 0
Number of aromatic heterocycles RDKit 0
Number of aromatic rings RDKit 0
Total number of rings RDKit 0
Number of saturated carbocycles RDKit 0
Number of saturated heterocycles RDKit 0
Number of saturated rings RDKit 0
Number of Smallest Set of Smallest Rings (SSSR) RDKit 0
S-Methylthiocysteine
Drug-likeness properties
Property nameToolProperty value
Number of Lipinski’s rule of 5 violations RDKit 0
Lipinski’s rule of 5 filter RDKit Passed
Number of Ghose filter violations RDKit 1
Ghose filter RDKit Failed
Veber filter RDKit Good
Pfizer 3/75 filter RDKit Bad
GSK 4/400 filter RDKit Good
Weighted quantitative estimate of drug-likeness (QEDw) score RDKit 0.5937
S-Methylthiocysteine
ADMET properties
Property nameToolProperty value
Bioavailability score SwissADME 0.55
Solubility class [ESOL] SwissADME Highly soluble
Solubility class [Silicos-IT] SwissADME Soluble
Blood Brain Barrier permeation SwissADME No
Gastrointestinal absorption SwissADME High
Log Kp (Skin permeation, cm/s) SwissADME -9.22
Number of PAINS structural alerts SwissADME 0.0
Number of Brenk structural alerts SwissADME 1.0
CYP1A2 inhibitor SwissADME No
CYP2C19 inhibitor SwissADME No
CYP2C9 inhibitor SwissADME No
CYP2D6 inhibitor SwissADME No
CYP3A4 inhibitor SwissADME No
P-glycoprotein substrate SwissADME No
S-Methylthiocysteine
Predicted human target proteins
Protein identifierHGNC symbolCombined score from STITCH database
ENSP00000229270TPI1701
ENSP00000259470CTSV800
ENSP00000264474CSTA800
ENSP00000315644TYMS800
ENSP00000345344CTSL800
ENSP00000363021RPA2800
The human target proteins were predicted using STITCH, a database of Chemical-Protein interaction networks.