Structure

This browser does not support HTML5/Canvas.

Physi-Chem Properties

Molecular Weight:  369.16
Volume:  374.039
LogP:  2.402
LogD:  2.774
LogS:  -3.875
# Rotatable Bonds:  4
TPSA:  57.23
# H-Bond Aceptor:  6
# H-Bond Donor:  0
# Rings:  4
# Heavy Atoms:  6

MedChem Properties

QED Drug-Likeness Score:  0.829
Synthetic Accessibility Score:  2.823
Fsp3:  0.381
Lipinski Rule-of-5:  Accepted
Pfizer Rule:  Accepted
GSK Rule:  Accepted
BMS Rule:  0
Golden Triangle Rule:  Accepted
Chelating Alert:  0
PAINS Alert:  0

ADMET Properties (ADMETlab2.0)

ADMET: Absorption

Caco-2 Permeability:  -4.815
MDCK Permeability:  2.83828721876489e-05
Pgp-inhibitor:  0.62
Pgp-substrate:  0.834
Human Intestinal Absorption (HIA):  0.003
20% Bioavailability (F20%):  0.011
30% Bioavailability (F30%):  0.237

ADMET: Distribution

Blood-Brain-Barrier Penetration (BBB):  0.701
Plasma Protein Binding (PPB):  80.21894073486328%
Volume Distribution (VD):  0.979
Pgp-substrate:  14.460362434387207%

ADMET: Metabolism

CYP1A2-inhibitor:  0.053
CYP1A2-substrate:  0.943
CYP2C19-inhibitor:  0.552
CYP2C19-substrate:  0.926
CYP2C9-inhibitor:  0.257
CYP2C9-substrate:  0.824
CYP2D6-inhibitor:  0.032
CYP2D6-substrate:  0.885
CYP3A4-inhibitor:  0.589
CYP3A4-substrate:  0.872

ADMET: Excretion

Clearance (CL):  5.271
Half-life (T1/2):  0.374

ADMET: Toxicity

hERG Blockers:  0.023
Human Hepatotoxicity (H-HT):  0.34
Drug-inuced Liver Injury (DILI):  0.586
AMES Toxicity:  0.169
Rat Oral Acute Toxicity:  0.428
Maximum Recommended Daily Dose:  0.956
Skin Sensitization:  0.094
Carcinogencity:  0.052
Eye Corrosion:  0.003
Eye Irritation:  0.015
Respiratory Toxicity:  0.877

Download Data

Data Type Select
General Info & Identifiers & Properties  
Structure MOL file  
Source Organisms  
Biological Activities  
Similar NPs/Drugs  

  Natural Product: NPC222524

Natural Product ID:  NPC222524
Common Name*:   (-)-8-Oxotetrahydroplamatine
IUPAC Name:   (13aS)-2,3,9,10-tetramethoxy-5,6,13,13a-tetrahydroisoquinolino[2,1-b]isoquinolin-8-one
Synonyms:  
Standard InCHIKey:  DMFHLLHXYQJPJS-HNNXBMFYSA-N
Standard InCHI:  InChI=1S/C21H23NO5/c1-24-16-6-5-13-9-15-14-11-18(26-3)17(25-2)10-12(14)7-8-22(15)21(23)19(13)20(16)27-4/h5-6,10-11,15H,7-9H2,1-4H3/t15-/m0/s1
SMILES:  COc1cc2CCN3[C@H](c2cc1OC)Cc1c(C3=O)c(OC)c(cc1)OC
Synthetic Gene Cluster:   n.a.
ChEMBL Identifier:   CHEMBL468804
PubChem CID:   157076
Chemical Classification**:  
  • CHEMONTID:0000000 [Organic compounds]
    • [CHEMONTID:0000279] Alkaloids and derivatives
      • [CHEMONTID:0001909] Protoberberine alkaloids and derivatives

*Note: the InCHIKey will be temporarily assigned as the "Common Name" if no IUPAC name or alternative short name is available.
**Note: the Chemical Classification was calculated by NPClassifier Version 1.5. Reference: PMID:34662515.

  Species Source

☑ Note for Reference:
In addition to directly collecting NP source organism data from primary literature (where reference will provided as NCBI PMID or DOI links), NPASS also integrated them from below databases:
UNPD: Universal Natural Products Database [PMID: 23638153].
StreptomeDB: a database of streptomycetes natural products [PMID: 33051671].
TM-MC: a database of medicinal materials and chemical compounds in Northeast Asian traditional medicine [PMID: 26156871].
TCM@Taiwan: a Traditional Chinese Medicine database [PMID: 21253603].
TCMID: a Traditional Chinese Medicine database [PMID: 29106634].
TCMSP: The traditional Chinese medicine systems pharmacology database and analysis platform [PMID: 24735618].
HerDing: a herb recommendation system to treat diseases using genes and chemicals [PMID: 26980517].
MetaboLights: a metabolomics database [PMID: 27010336].
FooDB: a database of constituents, chemistry and biology of food species [www.foodb.ca].

  NP Quantity Composition/Concentration

☑ Note for Reference:
In addition to directly collecting NP quantitative data from primary literature (where reference will provided as NCBI PMID or DOI links), NPASS also integrated NP quantitative records for specific NP domains (e.g., NPS from foods or herbs) from domain-specific databases. These databases include:
DUKE: Dr. Duke's Phytochemical and Ethnobotanical Databases.
PHENOL EXPLORER: is the first comprehensive database on polyphenol content in foods [PMID: 24103452], its homepage can be accessed at here.
FooDB: a database of constituents, chemistry and biology of food species [www.foodb.ca].

  Biological Activity

☑ Note for Activity Records:
☉ The quantitative biological activities were primarily integrated from ChEMBL (Version-30) database and were also directly collected from PubMed literature. PubMed PMID was provided as the reference link for each activity record.

  Chemically structural similarity: I. Similar Active Natural Products in NPASS

Top-200 similar NPs were calculated against the active-NP-set (includes 4,3285 NPs with experimentally-derived bioactivity available in NPASS)

Similarity level is defined by Tanimoto coefficient (Tc) between two molecules. Tc lies between [0, 1] where '1' indicates the highest similarity. What is Tanimoto coefficient

●  The left chart: Distribution of similarity level between NPC222524 and all remaining natural products in the NPASS database.
●  The right table: Most similar natural products (Tc>=0.56 or Top200).

  Chemically structural similarity: II. Similar Clinical/Approved Drugs

Similarity level is defined by Tanimoto coefficient (Tc) between two molecules.

●  The left chart: Distribution of similarity level between NPC222524 and all drugs/candidates.
●  The right table: Most similar clinical/approved drugs (Tc>=0.56 or Top200).

  Bioactivity similarity: Similar Natural Products in NPASS

Bioactivity similarity was calculated based on bioactivity descriptors of compounds. The bioactivity descriptors were calculated by a recently developed AI algorithm Chemical Checker (CC) [Nature Biotechnology, 38:1087–1096, 2020; Nature Communications, 12:3932, 2021], which evaluated bioactivity similarities at five levels:
A: chemistry similarity;
B: biological targets similarity;
C: networks similarity;
D: cell-based bioactivity similarity;
E: similarity based on clinical data.

Those 5 categories of CC bioactivity descriptors were calculated and then subjected to manifold projection using UMAP algorithm, to project all NPs on a 2-Dimensional space. The current NP was highlighted with a small circle in the 2-D map. Below figures: left-to-right, A-to-E.

A: chemistry similarity
B: biological targets similarity
C: networks similarity
D: cell-based bioactivity similarity
E: similarity based on clinical data