Natural Product: NPC22742

Natural Product IDNPC22742
Common Name
?
The InCHIKey will be temporarily assigned as the "Common Name" if no IUPAC name or alternative short name is available.
Scammonin Ii
IUPAC Name n.a.
Synonyms Scammonin II
Synthetic Gene Cluster n.a.
ChEMBL Identifier CHEMBL506030
PubChem CID 14704606
Chemical Classification
  • CHEMONTID:0000000 [Organic compounds]
    • [CHEMONTID:0004603] Organic oxygen compounds
      • [CHEMONTID:0000323] Organooxygen compounds
        • [CHEMONTID:0000011] Carbohydrates and carbohydrate conjugates
          • [CHEMONTID:0000198] Oligosaccharides

The Chemical Classification was calculated by Classyfire, a software for chemical taxonomy calculation. Reference: DOI:10.1186/s13321-016-0174-y.

  Chemical Representations

Standard InCHIKey QHKWTUIZHFKQCZ-QXVRPKQISA-N
Standard InCHI InChI=1S/C45H78O20/c1-7-9-15-18-26-19-16-13-11-10-12-14-17-20-28(47)61-39-36(63-42-35(54)32(51)29(48)23(4)56-42)25(6)58-45(40(39)62-41(55)22(3)8-2)65-38-34(53)31(50)27(21-46)60-44(38)64-37-33(52)30(49)24(5)57-43(37)59-26/h22-27,29-40,42-46,48-54H,7-21H2,1-6H3/t22-,23+,24+,25-,26-,27+,29+,30+,31+,32-,33-,34-,35+,36-,37+,38+,39+,40+,42-,43-,44-,45-/m0/s1
SMILES CCCCC[C@H]1CCCCCCCCCC(=O)O[C@H]2[C@H]([C@H](O[C@H]3[C@H](O[C@H]4[C@H](O1)O[C@H](C)[C@H]([C@@H]4O)O)O[C@H](CO)[C@H]([C@@H]3O)O)O[C@@H](C)[C@@H]2O[C@@H]1O[C@H](C)[C@H]([C@@H]([C@H]1O)O)O)OC(=O)[C@H](CC)C

  Calculated Properties

Physi-Chem Properties

Molecular Weight:   938.51 Volume:   914.625
?
Van der Waals volume.
Dense:   1.026 LogP:   3.107
?
The logarithm of the n-octanol/water distribution coefficients.
logD7.4:   3.746
?
The logarithm of the n-octanol/water distribution coefficient at pH=7.4.
LogS:   -4.008
?
The logarithm of aqueous solubility value.
Rotatable Bonds:   11.0 Rigid Bonds:   44.0
TPSA:   288.28
?
Topological Polar Surface Area.
H-Bond Acceptor:   20.0
H-Bond Donor:   8.0 Rings:   5.0
Heavy Atoms:   20.0

MedChem Properties

QED Drug-Likeness Score:   0.112 GASA:   1.0
?
GASA represents the probability of being difficult to synthesize, ranging from 0 to 1.
Synthetic Accessibility Score:   7.253 Fsp3:   0.956
MCE-18:   104.591
?
MCE-18 stands for medicinal chemistry evolution.MCE-18≥45 is considered a suitable value.
Lipinski Rule-of-5:   Accepted
Pfizer Rule:   Rejected GSK Rule:   Accepted
Golden Triangle Rule:   Accepted BMS Rule:   1
Chelating Alert:   0 PAINS Alert:   0
Colloidal aggregators:   0.928 Fluc inhibitor:   0.333
?
The fluc inhibitor value is the probability of being fLuc inhibitors, within the range of 0 to 1.
Blue fluorescence:   0.007
?
The blue fluorescence value is the probability of being blue fluorescence, within the range of 0 to 1
Green fluorescence:   0.003
?
The green fluorescence value is the probability of being green fluorescence, within the range of 0 to 1
Reactive compounds:   0.501 Promiscuous compounds:   0.204

ADMET Properties (ADMETlab3.0)

ADMET: Absorption

Caco-2 Permeability:   -5.822 MDCK Permeability:   -4.975
Pgp-inhibitor:   0.0 Pgp-substrate:   0.681
PAMPA:   0.974
?
The experimental data for Peff was logarithmically transformed (logPeff). Molecules with log Peff values below 2.0 were classified as low-permeability (Category 0), while those with log Peff values exceeding 2.5 were classified as high-permeability (Category 1).
Human Intestinal Absorption (HIA):   0.01
20% Bioavailability (F20%):   0.002 30% Bioavailability (F30%):   0.98
50% Bioavailability (F50%):   0.97

ADMET: Distribution

Blood-Brain-Barrier Penetration (BBB):   0.018 MRP1:   0.483
Plasma Protein Binding (PPB):   72.276% Volume Distribution (VD):   -0.344
Fu: 19.368%
?
The fraction unbound in plasms.
OATP1B1 inhibitor:   1.0
OATP1B3 inhibitor:   1.0 BCRP inhibitor:   0.004
BSEP inhibitor:   0.001

ADMET: Metabolism

CYP1A2-inhibitor:   0.0 CYP1A2-substrate:   0.0
CYP2C19-inhibitor:   0.0 CYP2C19-substrate:   0.0
CYP2C9-inhibitor:   0.0 CYP2C9-substrate:   0.0
CYP2D6-inhibitor:   0.0 CYP2D6-substrate:   0.113
CYP3A4-inhibitor:   0.0 CYP3A4-substrate:   1.0
CYP2B6-substrate:   0.0 CYP2C8-inhibitor:   0.993
HLM stability:   0.989
?
Human liver microsomal (HLM) stability. Category 0: stable+ (HLM > 30 min); Category 1: unstable- (HLM ≤ 30 min). The output value is the probability of human liver microsomal instability, where a value closer to 1 indicates a higher likelihood of instability.

ADMET: Excretion

Clearance (CL):  0.83 Half-life (T1/2):  3.507

ADMET: Toxicity

hERG Blockers:  0.008 hERG Blockers (10um):  0.095
Human Hepatotoxicity (H-HT):  0.542 Drug-induced Liver Injury (DILI):  0.995
AMES Toxicity:  0.932 Rat Oral Acute Toxicity:  0.001
Maximum Recommended Daily Dose:  0.001 Skin Sensitization:  1.0
Carcinogencity:  0.0 Eye Corrosion:  0.0
Eye Irritation:  0.008 Respiratory Toxicity:  0.0
Drug-induced Neurotoxicity:  0.0 Ototoxicity:  0.999
Hematotoxicity:  0.561 Drug-induced Nephrotoxicity:  0.978
Genotoxicity:  0.0 RPMI-8226 Immunitoxicity:  0.618
A549 Cytotoxicity:  0.962 Hek293 Cytotoxicity:  0.191
BCF:   0.604
?
Bioconcentration factors are used for considering secondary poisoning potential and assessing risks to human health via the food chain. The unit is -log10[(mg/L)/(1000*MW)].
IGC50:   3.267
?
48 hour Tetrahymena pyriformis IGC50. The unit of IGC50 is -log10[(mg/L)/(1000*MW)].
LC50DM:   4.952
?
48 hour Daphnia magna LC50. The unit of LC50DM is -log10[(mg/L)/(1000*MW)].
LC50FM:   3.878
?
96 hour fathead minnow LC50. The unit of LC50FM is -log10[(mg/L)/(1000*MW)].

  Species Source

Organism ID Organism Name Taxonomy Level Family SuperKingdom Isolation Part Collection Location Collection Time Reference
NPO24622 Ipomoea tricolor Species Convolvulaceae Eukaryota crude resin Mexican n.a. DOI[10.1016/S0040-4020(97)00607-8]
NPO19009 Ipomoea orizabensis Species Convolvulaceae Eukaryota Roots Mexican n.a. PMID[10479311]
NPO24622 Ipomoea tricolor Species Convolvulaceae Eukaryota crude resin Mexican n.a. PMID[16562846]
NPO19009 Ipomoea orizabensis Species Convolvulaceae Eukaryota crude resin Mexican n.a. PMID[16562846]
NPO24622 Ipomoea tricolor Species Convolvulaceae Eukaryota n.a. n.a. n.a. PMID[8496705]
NPO19009 Ipomoea orizabensis Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO24622 Ipomoea tricolor Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO24622 Ipomoea tricolor Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO24622 Ipomoea tricolor Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO19009 Ipomoea orizabensis Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO24622 Ipomoea tricolor Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[UNPD]

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

Organism ID Organism Name Organism Material Preparation Organism Part NP Quantity (Standard) NP Quantity (Minimum) NP Quantity (Maximum) Quantity Unit Reference

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

Molecular-level activity

Target ID Target Type Target Name Target Organism Activity Type Activity Relation Value Unit Reference

In vitro activity

Target ID Target Type Target Name Target Organism Activity Type Activity Relation Value Unit Reference
NPT91 Cell line KB Homo sapiens ED50 = 7.0 ug ml-1 PMID[3681902]
NPT5198 Cell line OVCAR Homo sapiens ED50 > 15.0 ug ml-1 PubChem BioAssay data set
NPT148 Cell line HCT-15 Homo sapiens ED50 > 15.0 ug ml-1 DOI[10.6019/CHEMBL1201861]
NPT20529 Non-molecular NON-PROTEIN TARGET n.a. ED50 > 15.0 ug ml-1 PMID[10479311]
NPT16 Organism Staphylococcus aureus Staphylococcus aureus MIC = 256.0 ug.mL-1 PMID[7783142]
NPT16 Organism Staphylococcus aureus Staphylococcus aureus MIC = 512.0 ug.mL-1 PMID[22687745]
NPT16 Organism Staphylococcus aureus Staphylococcus aureus MIC = 128.0 ug.mL-1 PMID[26988802]

In vivo activity

Target ID Target Type Target Name Target Organism Activity Type Activity Relation Value Unit Reference





 Experimental ADME

Experiment Model Experiment Tissue ADME Type ADME Relation ADME Value ADME Unit Reference





 Experimental Toxicity

Quantitative toxicity

Experiment Model Experiment Organism Toxicity Type Toxicity Relation Toxicity Value Toxicity Unit Reference

Common Abbreviations:
LC: Lethal Concentration; LD: Lethal Dose; LT:Lethal Time; NOAEL: No-observed-adverse-effect Level; BMDL: Benchmark Dose Lower Confidence Limit; BMD: Benchmark Dose; BMC:Benchmark Concentration; LOAEL: Lowest Observed Adverse Effect Level; RfD:Reference Dose; RfC:Reference Concentration; MRL: Minimal Risk Level; MEG: Maximum Exposure Guideline; PAC: Protective Action Criteria

Categorical toxicity labels

Hepatotoxicity Carcinogenicity Mutagenicity Cardiotoxicity Respiratory Toxicity Eye Irritation Endocrine Disruption
Hepatotoxicity Carcinogenicity Mutagenicity Cardiotoxicity Respiratory Toxicity Eye Irritation Endocrine Disruption

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 toxicity records from domain-specific databases. These databases include:
ToxValDB: a curated database that compiles quantitative toxicity values for chemicals from diverse public sources to support toxicological research and risk assessment.
TOXRIC: a comprehensive, free-to-access, online database providing toxicological/feature data. The toxicity labels are retrieved from this database. [PMID: 36400569]


  Chemically structural similarity

Similar Active Natural Products in NPASS

Top-200 similar NPs were calculated against the active-NP-set (includes approximately 50,000 NPs with experimentally-derived bioactivity available in NPASS)

Similarity is measured using the Tanimoto coefficient (Tc) , which compares the binary fingerprints of two molecules. Tc is calculated as the intersection divided by the union of '1' bits in the fingerprints, ranging from 0 to 1, with 1 indicating highest similarity.

●  The left chart: Distribution of similarity level between NPC22742 and all remaining natural products in the NPASS database.
●  The right table: Most similar natural products (Tc>=0.5 or Top200).

Similarity Score Similarity Level Natural Product ID
1.0 High Similarity NPC477346
0.8714 High Similarity NPC477350
0.84 Intermediate Similarity NPC478734
0.8333 Intermediate Similarity NPC472204
0.8312 Intermediate Similarity NPC146992
0.8312 Intermediate Similarity NPC85759
0.8182 Intermediate Similarity NPC478733
0.8158 Intermediate Similarity NPC89843
0.8133 Intermediate Similarity NPC477349
0.8101 Intermediate Similarity NPC294748
0.8052 Intermediate Similarity NPC477344
0.8025 Intermediate Similarity NPC184915
0.7975 Intermediate Similarity NPC297768
0.7975 Intermediate Similarity NPC173328
0.7901 Intermediate Similarity NPC238056
0.7831 Intermediate Similarity NPC44782
0.7805 Intermediate Similarity NPC224953
0.7778 Intermediate Similarity NPC238264
0.7778 Intermediate Similarity NPC477345
0.7654 Intermediate Similarity NPC119583
0.7654 Intermediate Similarity NPC186992
0.7595 Intermediate Similarity NPC158302
0.759 Intermediate Similarity NPC259294
0.759 Intermediate Similarity NPC126685
0.7531 Intermediate Similarity NPC477319
0.747 Intermediate Similarity NPC115013
0.7439 Intermediate Similarity NPC143421
0.7381 Intermediate Similarity NPC183888
0.7349 Intermediate Similarity NPC483170
0.7342 Intermediate Similarity NPC604005
0.7342 Intermediate Similarity NPC605014
0.7262 Intermediate Similarity NPC169345
0.7262 Intermediate Similarity NPC290012
0.7229 Intermediate Similarity NPC307400
0.7229 Intermediate Similarity NPC27289
0.716 Intermediate Similarity NPC600446
0.716 Intermediate Similarity NPC605013
0.7037 Intermediate Similarity NPC477331
0.6941 Remote Similarity NPC478726
0.6923 Remote Similarity NPC146380
0.6897 Remote Similarity NPC123204
0.6867 Remote Similarity NPC109887
0.6768 Remote Similarity NPC472352
0.675 Remote Similarity NPC281563
0.6747 Remote Similarity NPC477326
0.6744 Remote Similarity NPC476087
0.6744 Remote Similarity NPC475667
0.6705 Remote Similarity NPC472200
0.6667 Remote Similarity NPC478732
0.6667 Remote Similarity NPC477317
0.6667 Remote Similarity NPC477318
0.6591 Remote Similarity NPC475270
0.6591 Remote Similarity NPC475327
0.6588 Remote Similarity NPC267592
0.6585 Remote Similarity NPC113745
0.6585 Remote Similarity NPC477320
0.6585 Remote Similarity NPC477323
0.6585 Remote Similarity NPC477325
0.6585 Remote Similarity NPC609436
0.6538 Remote Similarity NPC478729
0.6538 Remote Similarity NPC606819
0.6522 Remote Similarity NPC475241
0.6512 Remote Similarity NPC472205
0.6512 Remote Similarity NPC478724
0.65 Remote Similarity NPC475425
0.6495 Remote Similarity NPC290276
0.6421 Remote Similarity NPC63404
0.6395 Remote Similarity NPC478725
0.6374 Remote Similarity NPC475164
0.6374 Remote Similarity NPC478728
0.6341 Remote Similarity NPC477329
0.6322 Remote Similarity NPC478723
0.6304 Remote Similarity NPC478727
0.6286 Remote Similarity NPC206823
0.6264 Remote Similarity NPC269318
0.625 Remote Similarity NPC35338
0.625 Remote Similarity NPC204214
0.625 Remote Similarity NPC92283
0.6235 Remote Similarity NPC477332
0.622 Remote Similarity NPC477328
0.622 Remote Similarity NPC477330
0.6207 Remote Similarity NPC478722
0.6176 Remote Similarity NPC600940
0.6162 Remote Similarity NPC10883
0.6129 Remote Similarity NPC473605
0.6129 Remote Similarity NPC475375
0.6067 Remote Similarity NPC478730
0.602 Remote Similarity NPC28069
0.6 Remote Similarity NPC10121
0.6 Remote Similarity NPC198918
0.598 Remote Similarity NPC600721
0.598 Remote Similarity NPC605872
0.5977 Remote Similarity NPC216883
0.5955 Remote Similarity NPC476781
0.5859 Remote Similarity NPC77651
0.5842 Remote Similarity NPC611287
0.5816 Remote Similarity NPC124878
0.5816 Remote Similarity NPC231888
0.5806 Remote Similarity NPC163409
0.5806 Remote Similarity NPC475525
0.5806 Remote Similarity NPC475540
0.5784 Remote Similarity NPC610996
0.5761 Remote Similarity NPC478731
0.5745 Remote Similarity NPC476066
0.5625 Remote Similarity NPC147032
0.5556 Remote Similarity NPC471024
0.5514 Remote Similarity NPC471026
0.5495 Remote Similarity NPC479061
0.5435 Remote Similarity NPC44682
0.5435 Remote Similarity NPC479060
0.5361 Remote Similarity NPC476783
0.5333 Remote Similarity NPC600672
0.5258 Remote Similarity NPC477347
0.5253 Remote Similarity NPC477348
0.5152 Remote Similarity NPC476782
0.514 Remote Similarity NPC471025
0.5138 Remote Similarity NPC610997
0.5135 Remote Similarity NPC241265
0.5109 Remote Similarity NPC479059

Similar Clinical/Approved Drugs

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

●  The left chart: Distribution of similarity level between NPC22742 and all drugs/candidates.
●  The right table: Most similar clinical/approved drugs (Tc>=0.5 or Top200).

Similarity Score Similarity Level Drug ID Developmental Stage
NPD

Bioactivity similarity

  Bioactivity similarity

Similar Natural Products in NPASS

Similarity level is defined by 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