Natural Product: NPC475393

Natural Product IDNPC475393
Common Name
?
The InCHIKey will be temporarily assigned as the "Common Name" if no IUPAC name or alternative short name is available.
Pampulhamine
IUPAC Name (1R)-1-[[3-[4-[[(1R)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl]methyl]phenoxy]-4-methoxyphenyl]methyl]-6,7-dimethoxy-2-methyl-3,4-dihydro-1H-isoquinoline
Synonyms Pampulhamine
Synthetic Gene Cluster n.a.
ChEMBL Identifier CHEMBL504801
PubChem CID 13992155
Chemical Classification
  • CHEMONTID:0000000 [Organic compounds]
    • [CHEMONTID:0000002] Organoheterocyclic compounds
      • [CHEMONTID:0002566] Isoquinolines and derivatives
        • [CHEMONTID:0000054] Benzylisoquinolines

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 IUALMDJBFWMRDF-ROJLCIKYSA-N
Standard InCHI InChI=1S/C38H44N2O6/c1-40-16-14-27-21-35(43-4)37(45-6)23-30(27)32(40)18-25-9-12-33(41-2)38(19-25)46-28-10-7-24(8-11-28)17-31-29-22-36(44-5)34(42-3)20-26(29)13-15-39-31/h7-12,19-23,31-32,39H,13-18H2,1-6H3/t31-,32-/m1/s1
SMILES COc1ccc(cc1Oc1ccc(cc1)C[C@H]1NCCc2c1cc(OC)c(c2)OC)C[C@H]1N(C)CCc2c1cc(OC)c(c2)OC

  Calculated Properties

Physi-Chem Properties

Molecular Weight:   624.32 Volume:   657.563
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Van der Waals volume.
Dense:   0.949 LogP:   3.078
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The logarithm of the n-octanol/water distribution coefficients.
logD7.4:   3.067
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The logarithm of the n-octanol/water distribution coefficient at pH=7.4.
LogS:   -4.38
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The logarithm of aqueous solubility value.
Rotatable Bonds:   11.0 Rigid Bonds:   34.0
TPSA:   70.65
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Topological Polar Surface Area.
H-Bond Acceptor:   8.0
H-Bond Donor:   1.0 Rings:   6.0
Heavy Atoms:   8.0

MedChem Properties

QED Drug-Likeness Score:   0.197 GASA:   0.0
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GASA represents the probability of being difficult to synthesize, ranging from 0 to 1.
Synthetic Accessibility Score:   3.56 Fsp3:   0.368
MCE-18:   109.846
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MCE-18 stands for medicinal chemistry evolution.MCE-18≥45 is considered a suitable value.
Lipinski Rule-of-5:   Rejected
Pfizer Rule:   Accepted GSK Rule:   Accepted
Golden Triangle Rule:   Accepted BMS Rule:   0
Chelating Alert:   0 PAINS Alert:   0
Colloidal aggregators:   0.989 Fluc inhibitor:   0.088
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The fluc inhibitor value is the probability of being fLuc inhibitors, within the range of 0 to 1.
Blue fluorescence:   0.428
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The blue fluorescence value is the probability of being blue fluorescence, within the range of 0 to 1
Green fluorescence:   0.882
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The green fluorescence value is the probability of being green fluorescence, within the range of 0 to 1
Reactive compounds:   0.001 Promiscuous compounds:   0.582

ADMET Properties (ADMETlab3.0)

ADMET: Absorption

Caco-2 Permeability:   -4.983 MDCK Permeability:   -4.764
Pgp-inhibitor:   1.0 Pgp-substrate:   0.455
PAMPA:   0.0
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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):   0.003
20% Bioavailability (F20%):   0.259 30% Bioavailability (F30%):   0.019
50% Bioavailability (F50%):   0.945

ADMET: Distribution

Blood-Brain-Barrier Penetration (BBB):   0.013 MRP1:   0.892
Plasma Protein Binding (PPB):   67.612% Volume Distribution (VD):   0.181
Fu: 28.28%
?
The fraction unbound in plasms.
OATP1B1 inhibitor:   0.998
OATP1B3 inhibitor:   0.999 BCRP inhibitor:   0.971
BSEP inhibitor:   1.0

ADMET: Metabolism

CYP1A2-inhibitor:   1.0 CYP1A2-substrate:   0.0
CYP2C19-inhibitor:   1.0 CYP2C19-substrate:   0.0
CYP2C9-inhibitor:   1.0 CYP2C9-substrate:   1.0
CYP2D6-inhibitor:   1.0 CYP2D6-substrate:   0.083
CYP3A4-inhibitor:   1.0 CYP3A4-substrate:   0.0
CYP2B6-substrate:   0.903 CYP2C8-inhibitor:   0.203
HLM stability:   0.977
?
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):  10.265 Half-life (T1/2):  2.334

ADMET: Toxicity

hERG Blockers:  0.926 hERG Blockers (10um):  0.744
Human Hepatotoxicity (H-HT):  0.964 Drug-induced Liver Injury (DILI):  0.723
AMES Toxicity:  0.751 Rat Oral Acute Toxicity:  0.327
Maximum Recommended Daily Dose:  0.986 Skin Sensitization:  0.316
Carcinogencity:  0.307 Eye Corrosion:  0.0
Eye Irritation:  0.026 Respiratory Toxicity:  0.533
Drug-induced Neurotoxicity:  0.982 Ototoxicity:  0.935
Hematotoxicity:  0.176 Drug-induced Nephrotoxicity:  0.667
Genotoxicity:  0.95 RPMI-8226 Immunitoxicity:  0.086
A549 Cytotoxicity:  0.15 Hek293 Cytotoxicity:  0.871
BCF:   2.275
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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:   4.594
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48 hour Tetrahymena pyriformis IGC50. The unit of IGC50 is -log10[(mg/L)/(1000*MW)].
LC50DM:   6.218
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48 hour Daphnia magna LC50. The unit of LC50DM is -log10[(mg/L)/(1000*MW)].
LC50FM:   5.474
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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
NPO31148 Aristolochia gigantea Species Aristolochiaceae Eukaryota n.a. stem n.a. PMID[21178901]
NPO31148 Aristolochia gigantea Species Aristolochiaceae Eukaryota n.a. n.a. n.a. PMID[8676127]

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
NPT1073 Individual protein Dopamine transporter Rattus norvegicus IC50 = 84200.0 nM PMID[18177008]

In vitro activity

Target ID Target Type Target Name Target Organism Activity Type Activity Relation Value Unit Reference
NPT2 Others Unspecified n.a. Ratio IC50 > 1.2 n.a. PMID[23398362]

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 NPC475393 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
0.7821 Intermediate Similarity NPC323537
0.7531 Intermediate Similarity NPC239584
0.7375 Intermediate Similarity NPC475479
0.7375 Intermediate Similarity NPC243454
0.7353 Intermediate Similarity NPC247639
0.7353 Intermediate Similarity NPC25084
0.6941 Remote Similarity NPC11296
0.6941 Remote Similarity NPC281581
0.6941 Remote Similarity NPC274661
0.6941 Remote Similarity NPC82457
0.6329 Remote Similarity NPC603603
0.6264 Remote Similarity NPC48490
0.6203 Remote Similarity NPC276890
0.6087 Remote Similarity NPC60295
0.6076 Remote Similarity NPC76682
0.6076 Remote Similarity NPC10908
0.6076 Remote Similarity NPC63646
0.6076 Remote Similarity NPC317145
0.6076 Remote Similarity NPC198498
0.6076 Remote Similarity NPC115284
0.6022 Remote Similarity NPC175890
0.5854 Remote Similarity NPC12424
0.5854 Remote Similarity NPC129518
0.5854 Remote Similarity NPC251580
0.5797 Remote Similarity NPC213206
0.5797 Remote Similarity NPC188163
0.5797 Remote Similarity NPC328750
0.5783 Remote Similarity NPC603853
0.5745 Remote Similarity NPC191132
0.5732 Remote Similarity NPC227060
0.5714 Remote Similarity NPC290582
0.5714 Remote Similarity NPC217748
0.5714 Remote Similarity NPC73492
0.5714 Remote Similarity NPC182052
0.5714 Remote Similarity NPC271013
0.5714 Remote Similarity NPC299990
0.5714 Remote Similarity NPC42663
0.5714 Remote Similarity NPC15414
0.5696 Remote Similarity NPC475215
0.5647 Remote Similarity NPC279228
0.5581 Remote Similarity NPC311973
0.557 Remote Similarity NPC317272
0.557 Remote Similarity NPC268503
0.5529 Remote Similarity NPC480587
0.5517 Remote Similarity NPC116465
0.55 Remote Similarity NPC30779
0.5429 Remote Similarity NPC314682
0.5402 Remote Similarity NPC286119
0.5402 Remote Similarity NPC239824
0.5341 Remote Similarity NPC254441
0.5333 Remote Similarity NPC195538
0.5238 Remote Similarity NPC41376
0.5181 Remote Similarity NPC256012
0.5181 Remote Similarity NPC610965
0.5149 Remote Similarity NPC256124
0.5116 Remote Similarity NPC240841
0.5111 Remote Similarity NPC229373

Similar Clinical/Approved Drugs

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

●  The left chart: Distribution of similarity level between NPC475393 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
0.6076 Remote Similarity NPD8099 Discontinued
0.5797 Remote Similarity NPD4664 Clinical (unspecified phase)
0.5783 Remote Similarity NPD8156 Discontinued
0.5714 Remote Similarity NPD8095 Phase 1

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