IMPPAT Phytochemical information: 
Physostigmine

Physostigmine
Summary

SMILES: CNC(=O)Oc1ccc2c(c1)[C@]1(C)CCN([C@@H]1N2C)C
InChI: InChI=1S/C15H21N3O2/c1-15-7-8-17(3)13(15)18(4)12-6-5-10(9-11(12)15)20-14(19)16-2/h5-6,9,13H,7-8H2,1-4H3,(H,16,19)/t13-,15+/m1/s1
InChIKey: PIJVFDBKTWXHHD-HIFRSBDPSA-N
DeepSMILES: CNC=O)Occcccc6)[C@]C)CCN[C@@H]5N8C)))C
Scaffold Graph/Node/Bond level: c1ccc2c(c1)NC1NCCC21
Scaffold Graph/Node level: C1CCC2C(C1)NC1NCCC12
Scaffold Graph level: C1CCC2C(C1)CC1CCCC12
Functional groups: cN(C)[C@H](C)N(C)C; cOC(=O)NC
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Organoheterocyclic compounds
ClassyFire Class: Indoles and derivatives
ClassyFire Subclass: Pyrroloindoles
NP Classifier Biosynthetic pathway: Alkaloids
NP Classifier Superclass: Tryptophan alkaloids
NP Classifier Class: Pyrroloindole alkaloids
Synonymous chemical names:
eserine, physostigmine
External chemical identifiers:
CID:5983; ChEMBL:CHEMBL94; ChEBI:27953; ZINC:ZINC000091689892; FDASRS:9U1VM840SP; SureChEMBL:SCHEMBL24044; MolPort-001-683-926
Chemical structure download


Physostigmine
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 275.35
Log P RDKit 1.77
Topological polar surface area (Å2) RDKit 44.81
Number of hydrogen bond acceptors RDKit 4
Number of hydrogen bond donors RDKit 1
Number of carbon atoms RDKit 15
Number of heavy atoms RDKit 20
Number of heteroatoms RDKit 5
Number of nitrogen atoms RDKit 3
Number of sulfur atoms RDKit 0
Number of chiral carbon atoms RDKit 2
Stereochemical complexity RDKit 0.13
Number of sp hybridized carbon atoms RDKit 0
Number of sp2 hybridized carbon atoms RDKit 7
Number of sp3 hybridized carbon atoms RDKit 8
Shape complexity RDKit 0.53
Number of rotatable bonds RDKit 2
Number of aliphatic carbocycles RDKit 0
Number of aliphatic heterocycles RDKit 2
Number of aliphatic rings RDKit 2
Number of aromatic carbocycles RDKit 1
Number of aromatic heterocycles RDKit 0
Number of aromatic rings RDKit 1
Total number of rings RDKit 3
Number of saturated carbocycles RDKit 0
Number of saturated heterocycles RDKit 1
Number of saturated rings RDKit 1
Number of Smallest Set of Smallest Rings (SSSR) RDKit 3


Physostigmine
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 0
Ghose filter RDKit Passed
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 0.8482


Physostigmine
ADMET properties
Property nameToolProperty value
Bioavailability score SwissADME 0.55
Solubility class [ESOL] SwissADME Soluble
Solubility class [Silicos-IT] SwissADME Soluble
Blood Brain Barrier permeation SwissADME Yes
Gastrointestinal absorption SwissADME High
Log Kp (Skin permeation, cm/s) SwissADME -6.86
Number of PAINS structural alerts SwissADME 0.0
Number of Brenk structural alerts SwissADME 0.0
CYP1A2 inhibitor SwissADME No
CYP2C19 inhibitor SwissADME No
CYP2C9 inhibitor SwissADME No
CYP2D6 inhibitor SwissADME Yes
CYP3A4 inhibitor SwissADME No
P-glycoprotein substrate SwissADME Yes


Physostigmine
Predicted human target proteins
Protein identifierHGNC symbolCombined score from STITCH database
ENSP00000225275MPO800
ENSP00000264381BCHE999
ENSP00000264708POMC846
ENSP00000283916TMPRSS11D786
ENSP00000298295C10orf10800
ENSP00000303211ACHE999
ENSP00000317842CES2849
ENSP00000414303BDNF800
The human target proteins were predicted using STITCH, a database of Chemical-Protein interaction networks.