Structure

Physi-Chem Properties

Molecular Weight:  406.2
Volume:  417.668
LogP:  2.114
LogD:  0.607
LogS:  -3.976
# Rotatable Bonds:  9
TPSA:  105.59
# H-Bond Aceptor:  7
# H-Bond Donor:  2
# Rings:  2
# Heavy Atoms:  7

MedChem Properties

QED Drug-Likeness Score:  0.275
Synthetic Accessibility Score:  4.9
Fsp3:  0.545
Lipinski Rule-of-5:  Accepted
Pfizer Rule:  Accepted
GSK Rule:  Rejected
BMS Rule:  1
Golden Triangle Rule:  Accepted
Chelating Alert:  0
PAINS Alert:  0

ADMET Properties (ADMETlab2.0)

ADMET: Absorption

Caco-2 Permeability:  -4.598
MDCK Permeability:  2.2219512175070122e-05
Pgp-inhibitor:  0.001
Pgp-substrate:  0.992
Human Intestinal Absorption (HIA):  0.021
20% Bioavailability (F20%):  0.004
30% Bioavailability (F30%):  0.869

ADMET: Distribution

Blood-Brain-Barrier Penetration (BBB):  0.675
Plasma Protein Binding (PPB):  89.47904205322266%
Volume Distribution (VD):  1.292
Pgp-substrate:  11.923205375671387%

ADMET: Metabolism

CYP1A2-inhibitor:  0.09
CYP1A2-substrate:  0.134
CYP2C19-inhibitor:  0.108
CYP2C19-substrate:  0.764
CYP2C9-inhibitor:  0.027
CYP2C9-substrate:  0.909
CYP2D6-inhibitor:  0.023
CYP2D6-substrate:  0.885
CYP3A4-inhibitor:  0.14
CYP3A4-substrate:  0.184

ADMET: Excretion

Clearance (CL):  4.743
Half-life (T1/2):  0.159

ADMET: Toxicity

hERG Blockers:  0.392
Human Hepatotoxicity (H-HT):  0.976
Drug-inuced Liver Injury (DILI):  0.704
AMES Toxicity:  0.014
Rat Oral Acute Toxicity:  0.077
Maximum Recommended Daily Dose:  0.519
Skin Sensitization:  0.239
Carcinogencity:  0.027
Eye Corrosion:  0.003
Eye Irritation:  0.012
Respiratory Toxicity:  0.642

Download Data

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

  Natural Product: NPC324667

Natural Product ID:  NPC324667
Common Name*:   Trichothosporon A
IUPAC Name:   methyl (1R,2R,4R,6R)-4-hydroxy-6-[(2E,4E,6E)-1-hydroxy-3,7,11-trimethyldodeca-2,4,6,10-tetraenyl]-5-oxo-3,7-dioxabicyclo[4.1.0]heptane-2-carboxylate
Synonyms:   Trichothosporon A
Standard InCHIKey:  IREYQNQKCFYKND-ISSAMECVSA-N
Standard InCHI:  InChI=1S/C22H30O7/c1-13(2)8-6-9-14(3)10-7-11-15(4)12-16(23)22-18(24)21(26)28-17(19(22)29-22)20(25)27-5/h7-8,10-12,16-17,19,21,23,26H,6,9H2,1-5H3/b11-7+,14-10+,15-12+/t16?,17-,19-,21-,22+/m1/s1
SMILES:  COC(=O)[C@@H]1O[C@@H](O)C(=O)[C@]2([C@@H]1O2)C(/C=C(/C=C/C=C(/CCC=C(C)C)C)C)O
Synthetic Gene Cluster:   n.a.
ChEMBL Identifier:   CHEMBL1835974
PubChem CID:   56602067
Chemical Classification**:  
  • CHEMONTID:0000000 [Organic compounds]
    • [CHEMONTID:0000012] Lipids and lipid-like molecules
      • [CHEMONTID:0000259] Prenol lipids
        • [CHEMONTID:0001550] Sesquiterpenoids

*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

Organism ID Organism Name Taxonomy Level Family SuperKingdom Isolation Part Collection Location Collection Time Reference
NPO30894 Trichothecium species Species n.a. Eukaryota n.a. n.a. n.a. PMID[21978324]

☑ 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 NP ID 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

Target ID Target Type Target Name Target Organism Activity Type Activity Relation Value Unit Reference
NPT83 Cell Line MCF7 Homo sapiens IC50 > 10000.0 nM PMID[559739]
NPT397 Cell Line NCI-H460 Homo sapiens IC50 > 10000.0 nM PMID[559739]
NPT395 Cell Line SF-268 Homo sapiens IC50 > 10000.0 nM PMID[559739]
NPT20529 NON-MOLECULAR NON-PROTEIN TARGET n.a. IC50 > 10000.0 nM PMID[559739]

☑ 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 NPC324667 and all remaining natural products in the NPASS database.
●  The right table: Most similar natural products (Tc>=0.56 or Top200).

Similarity Score Similarity Level Natural Product ID
0.7938 Intermediate Similarity NPC137368
0.781 Intermediate Similarity NPC118902
0.781 Intermediate Similarity NPC469980
0.781 Intermediate Similarity NPC104161
0.7757 Intermediate Similarity NPC266514
0.7706 Intermediate Similarity NPC89408
0.7685 Intermediate Similarity NPC327106
0.7525 Intermediate Similarity NPC9447
0.7525 Intermediate Similarity NPC472199
0.7525 Intermediate Similarity NPC472197
0.7524 Intermediate Similarity NPC475949
0.7523 Intermediate Similarity NPC472507
0.7475 Intermediate Similarity NPC475037
0.7453 Intermediate Similarity NPC476270
0.7449 Intermediate Similarity NPC475034
0.7426 Intermediate Similarity NPC316228
0.7426 Intermediate Similarity NPC313670
0.7411 Intermediate Similarity NPC66108
0.7387 Intermediate Similarity NPC472508
0.7383 Intermediate Similarity NPC195510
0.7383 Intermediate Similarity NPC39996
0.7383 Intermediate Similarity NPC13171
0.7379 Intermediate Similarity NPC472198
0.7347 Intermediate Similarity NPC475035
0.7339 Intermediate Similarity NPC472749
0.7339 Intermediate Similarity NPC472751
0.7333 Intermediate Similarity NPC474194
0.7315 Intermediate Similarity NPC472750
0.7315 Intermediate Similarity NPC472747
0.73 Intermediate Similarity NPC471738
0.73 Intermediate Similarity NPC86005
0.73 Intermediate Similarity NPC179659
0.7282 Intermediate Similarity NPC478037
0.7282 Intermediate Similarity NPC478036
0.7273 Intermediate Similarity NPC474285
0.7273 Intermediate Similarity NPC254538
0.7264 Intermediate Similarity NPC475284
0.7264 Intermediate Similarity NPC161855
0.7264 Intermediate Similarity NPC281608
0.7255 Intermediate Similarity NPC475879
0.7255 Intermediate Similarity NPC274075
0.7255 Intermediate Similarity NPC473311
0.7248 Intermediate Similarity NPC472748
0.7248 Intermediate Similarity NPC474741
0.7248 Intermediate Similarity NPC472756
0.7248 Intermediate Similarity NPC469869
0.7238 Intermediate Similarity NPC473291
0.7238 Intermediate Similarity NPC279722
0.7228 Intermediate Similarity NPC471756
0.7228 Intermediate Similarity NPC201046
0.7228 Intermediate Similarity NPC471755
0.7212 Intermediate Similarity NPC475927
0.7212 Intermediate Similarity NPC475832
0.7207 Intermediate Similarity NPC14862
0.7207 Intermediate Similarity NPC264819
0.7207 Intermediate Similarity NPC233379
0.7207 Intermediate Similarity NPC474664
0.72 Intermediate Similarity NPC278283
0.7196 Intermediate Similarity NPC469870
0.7196 Intermediate Similarity NPC469871
0.7196 Intermediate Similarity NPC475053
0.7172 Intermediate Similarity NPC219966
0.717 Intermediate Similarity NPC40812
0.7156 Intermediate Similarity NPC475945
0.7156 Intermediate Similarity NPC475871
0.7154 Intermediate Similarity NPC476863
0.7154 Intermediate Similarity NPC476862
0.7143 Intermediate Similarity NPC214694
0.7143 Intermediate Similarity NPC15218
0.7143 Intermediate Similarity NPC38154
0.7143 Intermediate Similarity NPC270013
0.7143 Intermediate Similarity NPC170204
0.7143 Intermediate Similarity NPC14961
0.7131 Intermediate Similarity NPC476859
0.713 Intermediate Similarity NPC472753
0.713 Intermediate Similarity NPC474339
0.713 Intermediate Similarity NPC164598
0.713 Intermediate Similarity NPC28304
0.713 Intermediate Similarity NPC201718
0.713 Intermediate Similarity NPC298255
0.7129 Intermediate Similarity NPC477959
0.7128 Intermediate Similarity NPC473948
0.7117 Intermediate Similarity NPC324327
0.7117 Intermediate Similarity NPC194620
0.7117 Intermediate Similarity NPC474421
0.7117 Intermediate Similarity NPC72813
0.7117 Intermediate Similarity NPC477513
0.7117 Intermediate Similarity NPC326994
0.7115 Intermediate Similarity NPC61201
0.7115 Intermediate Similarity NPC320089
0.7103 Intermediate Similarity NPC187761
0.7103 Intermediate Similarity NPC307517
0.7103 Intermediate Similarity NPC300584
0.7103 Intermediate Similarity NPC83895
0.7103 Intermediate Similarity NPC61630
0.7103 Intermediate Similarity NPC81483
0.7103 Intermediate Similarity NPC471144
0.7103 Intermediate Similarity NPC169468
0.7087 Intermediate Similarity NPC303451
0.7087 Intermediate Similarity NPC6414
0.7087 Intermediate Similarity NPC65359
0.7083 Intermediate Similarity NPC133377
0.708 Intermediate Similarity NPC46407
0.7075 Intermediate Similarity NPC306041
0.7075 Intermediate Similarity NPC195645
0.7075 Intermediate Similarity NPC165332
0.7075 Intermediate Similarity NPC473859
0.7075 Intermediate Similarity NPC180722
0.7075 Intermediate Similarity NPC241911
0.7073 Intermediate Similarity NPC476851
0.7073 Intermediate Similarity NPC476854
0.7071 Intermediate Similarity NPC52923
0.7064 Intermediate Similarity NPC471148
0.7064 Intermediate Similarity NPC474747
0.7064 Intermediate Similarity NPC472754
0.7064 Intermediate Similarity NPC149371
0.7059 Intermediate Similarity NPC470137
0.7059 Intermediate Similarity NPC473228
0.7059 Intermediate Similarity NPC183353
0.7059 Intermediate Similarity NPC469812
0.7059 Intermediate Similarity NPC470829
0.7059 Intermediate Similarity NPC170880
0.7059 Intermediate Similarity NPC472008
0.7054 Intermediate Similarity NPC55972
0.7054 Intermediate Similarity NPC473807
0.7054 Intermediate Similarity NPC193765
0.7054 Intermediate Similarity NPC327286
0.7054 Intermediate Similarity NPC169888
0.7054 Intermediate Similarity NPC475960
0.7054 Intermediate Similarity NPC117604
0.7053 Intermediate Similarity NPC229655
0.7048 Intermediate Similarity NPC294293
0.7048 Intermediate Similarity NPC81386
0.7048 Intermediate Similarity NPC474035
0.7048 Intermediate Similarity NPC71589
0.7037 Intermediate Similarity NPC22149
0.7037 Intermediate Similarity NPC288876
0.7037 Intermediate Similarity NPC255677
0.7037 Intermediate Similarity NPC306344
0.7034 Intermediate Similarity NPC268958
0.703 Intermediate Similarity NPC196381
0.7027 Intermediate Similarity NPC9303
0.7027 Intermediate Similarity NPC469852
0.7027 Intermediate Similarity NPC478038
0.7027 Intermediate Similarity NPC16313
0.7027 Intermediate Similarity NPC314244
0.7027 Intermediate Similarity NPC475802
0.7019 Intermediate Similarity NPC469627
0.7018 Intermediate Similarity NPC317107
0.7016 Intermediate Similarity NPC476852
0.7016 Intermediate Similarity NPC476855
0.701 Intermediate Similarity NPC321728
0.7009 Intermediate Similarity NPC236176
0.7009 Intermediate Similarity NPC20066
0.7009 Intermediate Similarity NPC471146
0.7009 Intermediate Similarity NPC471145
0.7009 Intermediate Similarity NPC472290
0.7 Intermediate Similarity NPC475873
0.7 Intermediate Similarity NPC266718
0.7 Intermediate Similarity NPC472755
0.7 Intermediate Similarity NPC309398
0.7 Intermediate Similarity NPC32676
0.6991 Remote Similarity NPC313668
0.6991 Remote Similarity NPC315836
0.699 Remote Similarity NPC87306
0.699 Remote Similarity NPC478110
0.6984 Remote Similarity NPC242486
0.6984 Remote Similarity NPC15215
0.6983 Remote Similarity NPC80650
0.6981 Remote Similarity NPC475659
0.6981 Remote Similarity NPC474947
0.6981 Remote Similarity NPC101051
0.6981 Remote Similarity NPC107476
0.6979 Remote Similarity NPC110813
0.6972 Remote Similarity NPC473332
0.6972 Remote Similarity NPC47880
0.6972 Remote Similarity NPC474742
0.6972 Remote Similarity NPC133907
0.6972 Remote Similarity NPC46998
0.6972 Remote Similarity NPC128733
0.6972 Remote Similarity NPC110443
0.6972 Remote Similarity NPC185141
0.6961 Remote Similarity NPC45409
0.6961 Remote Similarity NPC472007
0.6957 Remote Similarity NPC317687
0.6952 Remote Similarity NPC475912
0.6952 Remote Similarity NPC320552
0.6952 Remote Similarity NPC212486
0.6952 Remote Similarity NPC165383
0.6944 Remote Similarity NPC308567
0.6944 Remote Similarity NPC255592
0.6944 Remote Similarity NPC261377
0.6937 Remote Similarity NPC86095
0.6937 Remote Similarity NPC477510
0.6937 Remote Similarity NPC220964
0.6937 Remote Similarity NPC470104
0.6937 Remote Similarity NPC471143
0.6937 Remote Similarity NPC475676
0.6931 Remote Similarity NPC471156
0.6931 Remote Similarity NPC477747

  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 NPC324667 and all drugs/candidates.
●  The right table: Most similar clinical/approved drugs (Tc>=0.56 or Top200).

Similarity Score Similarity Level Drug ID Developmental Stage
0.7525 Intermediate Similarity NPD7983 Approved
0.7075 Intermediate Similarity NPD7839 Suspended
0.7059 Intermediate Similarity NPD8513 Phase 3
0.7059 Intermediate Similarity NPD8516 Approved
0.7059 Intermediate Similarity NPD8517 Approved
0.7059 Intermediate Similarity NPD8515 Approved
0.6923 Remote Similarity NPD6698 Approved
0.6923 Remote Similarity NPD46 Approved
0.6917 Remote Similarity NPD8444 Approved
0.6792 Remote Similarity NPD5778 Approved
0.6792 Remote Similarity NPD5779 Approved
0.6789 Remote Similarity NPD8029 Clinical (unspecified phase)
0.6748 Remote Similarity NPD8299 Approved
0.6748 Remote Similarity NPD8340 Approved
0.6748 Remote Similarity NPD8342 Approved
0.6748 Remote Similarity NPD8341 Approved
0.6733 Remote Similarity NPD6110 Phase 1
0.6724 Remote Similarity NPD8413 Clinical (unspecified phase)
0.6667 Remote Similarity NPD7642 Approved
0.6667 Remote Similarity NPD7830 Approved
0.6667 Remote Similarity NPD7829 Approved
0.6604 Remote Similarity NPD7838 Discovery
0.656 Remote Similarity NPD8451 Approved
0.6559 Remote Similarity NPD4247 Clinical (unspecified phase)
0.6529 Remote Similarity NPD7641 Discontinued
0.6508 Remote Similarity NPD8074 Phase 3
0.6508 Remote Similarity NPD8448 Approved
0.64 Remote Similarity NPD8328 Phase 3
0.6383 Remote Similarity NPD898 Approved
0.6383 Remote Similarity NPD897 Approved
0.6383 Remote Similarity NPD896 Approved
0.6357 Remote Similarity NPD8391 Approved
0.6357 Remote Similarity NPD8390 Approved
0.6357 Remote Similarity NPD8392 Approved
0.6356 Remote Similarity NPD6371 Approved
0.6355 Remote Similarity NPD5764 Clinical (unspecified phase)
0.6355 Remote Similarity NPD6101 Approved
0.6316 Remote Similarity NPD7966 Clinical (unspecified phase)
0.6311 Remote Similarity NPD8295 Clinical (unspecified phase)
0.6304 Remote Similarity NPD8961 Approved
0.6273 Remote Similarity NPD5282 Discontinued
0.624 Remote Similarity NPD8274 Clinical (unspecified phase)
0.6239 Remote Similarity NPD7899 Clinical (unspecified phase)
0.6239 Remote Similarity NPD6411 Approved
0.6239 Remote Similarity NPD7637 Suspended
0.6226 Remote Similarity NPD5786 Approved
0.619 Remote Similarity NPD8080 Discontinued
0.6186 Remote Similarity NPD6686 Approved
0.6186 Remote Similarity NPD5345 Clinical (unspecified phase)
0.6176 Remote Similarity NPD7329 Approved
0.6172 Remote Similarity NPD8273 Phase 1
0.6132 Remote Similarity NPD1733 Clinical (unspecified phase)
0.6117 Remote Similarity NPD4252 Approved
0.6087 Remote Similarity NPD5344 Discontinued
0.6077 Remote Similarity NPD7736 Approved
0.6075 Remote Similarity NPD4249 Approved
0.6063 Remote Similarity NPD6370 Approved
0.6033 Remote Similarity NPD2204 Approved
0.6032 Remote Similarity NPD6319 Approved
0.6019 Remote Similarity NPD4250 Approved
0.6019 Remote Similarity NPD4251 Approved
0.6017 Remote Similarity NPD5048 Discontinued
0.6 Remote Similarity NPD8293 Discontinued
0.6 Remote Similarity NPD6648 Approved
0.6 Remote Similarity NPD4270 Approved
0.6 Remote Similarity NPD4269 Approved
0.598 Remote Similarity NPD4756 Discovery
0.5969 Remote Similarity NPD7492 Approved
0.5962 Remote Similarity NPD5790 Clinical (unspecified phase)
0.5943 Remote Similarity NPD7154 Phase 3
0.5929 Remote Similarity NPD1698 Clinical (unspecified phase)
0.5923 Remote Similarity NPD6616 Approved
0.592 Remote Similarity NPD8137 Clinical (unspecified phase)
0.592 Remote Similarity NPD7115 Discovery
0.5909 Remote Similarity NPD7319 Approved
0.5906 Remote Similarity NPD6054 Approved
0.5905 Remote Similarity NPD5369 Approved
0.5902 Remote Similarity NPD7601 Clinical (unspecified phase)
0.59 Remote Similarity NPD3181 Approved
0.5882 Remote Similarity NPD8387 Clinical (unspecified phase)
0.5878 Remote Similarity NPD7078 Approved
0.5859 Remote Similarity NPD6015 Approved
0.5859 Remote Similarity NPD6016 Approved
0.5849 Remote Similarity NPD6435 Approved
0.5833 Remote Similarity NPD5363 Approved
0.5833 Remote Similarity NPD6412 Phase 2
0.5821 Remote Similarity NPD7260 Phase 2
0.5814 Remote Similarity NPD5988 Approved
0.581 Remote Similarity NPD4821 Approved
0.581 Remote Similarity NPD4819 Approved
0.581 Remote Similarity NPD4820 Approved
0.581 Remote Similarity NPD4822 Approved
0.5809 Remote Similarity NPD8415 Approved
0.5804 Remote Similarity NPD4810 Clinical (unspecified phase)
0.5802 Remote Similarity NPD7507 Approved
0.5794 Remote Similarity NPD6009 Approved
0.5781 Remote Similarity NPD6059 Approved
0.5776 Remote Similarity NPD4225 Approved
0.5769 Remote Similarity NPD4271 Approved
0.5769 Remote Similarity NPD4268 Approved
0.5766 Remote Similarity NPD5370 Suspended
0.5761 Remote Similarity NPD8959 Approved
0.5745 Remote Similarity NPD4246 Clinical (unspecified phase)
0.5741 Remote Similarity NPD6400 Clinical (unspecified phase)
0.5738 Remote Similarity NPD8132 Clinical (unspecified phase)
0.5714 Remote Similarity NPD5785 Approved
0.5701 Remote Similarity NPD5209 Approved
0.5699 Remote Similarity NPD6109 Phase 1
0.5691 Remote Similarity NPD6421 Discontinued
0.568 Remote Similarity NPD4632 Approved
0.5669 Remote Similarity NPD7500 Approved
0.566 Remote Similarity NPD5368 Approved
0.5648 Remote Similarity NPD5362 Discontinued
0.5619 Remote Similarity NPD5784 Clinical (unspecified phase)
0.5615 Remote Similarity NPD7503 Approved
0.5615 Remote Similarity NPD6921 Approved
0.56 Remote Similarity NPD8297 Approved
0.56 Remote Similarity NPD6882 Approved

  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