Structure

Physi-Chem Properties

Molecular Weight:  470.17
Volume:  488.462
LogP:  5.771
LogD:  4.002
LogS:  -4.557
# Rotatable Bonds:  1
TPSA:  88.38
# H-Bond Aceptor:  6
# H-Bond Donor:  3
# Rings:  6
# Heavy Atoms:  6

MedChem Properties

QED Drug-Likeness Score:  0.278
Synthetic Accessibility Score:  5.379
Fsp3:  0.172
Lipinski Rule-of-5:  Accepted
Pfizer Rule:  Accepted
GSK Rule:  Rejected
BMS Rule:  0
Golden Triangle Rule:  Accepted
Chelating Alert:  1
PAINS Alert:  1

ADMET Properties (ADMETlab2.0)

ADMET: Absorption

Caco-2 Permeability:  -5.361
MDCK Permeability:  9.974121894629207e-06
Pgp-inhibitor:  0.984
Pgp-substrate:  0.001
Human Intestinal Absorption (HIA):  0.012
20% Bioavailability (F20%):  0.668
30% Bioavailability (F30%):  0.994

ADMET: Distribution

Blood-Brain-Barrier Penetration (BBB):  0.023
Plasma Protein Binding (PPB):  100.83637237548828%
Volume Distribution (VD):  0.214
Pgp-substrate:  0.7819233536720276%

ADMET: Metabolism

CYP1A2-inhibitor:  0.642
CYP1A2-substrate:  0.442
CYP2C19-inhibitor:  0.865
CYP2C19-substrate:  0.064
CYP2C9-inhibitor:  0.543
CYP2C9-substrate:  0.773
CYP2D6-inhibitor:  0.198
CYP2D6-substrate:  0.901
CYP3A4-inhibitor:  0.171
CYP3A4-substrate:  0.745

ADMET: Excretion

Clearance (CL):  10.429
Half-life (T1/2):  0.577

ADMET: Toxicity

hERG Blockers:  0.49
Human Hepatotoxicity (H-HT):  0.024
Drug-inuced Liver Injury (DILI):  0.024
AMES Toxicity:  0.338
Rat Oral Acute Toxicity:  0.259
Maximum Recommended Daily Dose:  0.97
Skin Sensitization:  0.974
Carcinogencity:  0.319
Eye Corrosion:  0.003
Eye Irritation:  0.693
Respiratory Toxicity:  0.583

Download Data

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

  Natural Product: NPC223143

Natural Product ID:  NPC223143
Common Name*:   Certonardoside J2
IUPAC Name:   (3S,4R,5S,6S,8R,9S,10R,13R,14S,15S,16R,17R)-17-[(2R,5R)-5-[2-[(2R,3R,4R,5R)-3,4-dihydroxy-5-methoxyoxan-2-yl]oxyethyl]-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,4,6,15,16-pentol
Synonyms:   Certonardoside J2
Standard InCHIKey:  NTIYFKBUVFNOIK-XCIXNCJBSA-N
Standard InCHI:  InChI=1S/C35H62O10/c1-17(2)19(11-14-44-33-32(42)29(39)24(43-6)16-45-33)8-7-18(3)25-30(40)31(41)26-20-15-23(37)27-28(38)22(36)10-13-34(27,4)21(20)9-12-35(25,26)5/h17-33,36-42H,7-16H2,1-6H3/t18-,19-,20-,21+,22+,23+,24-,25+,26-,27+,28+,29+,30-,31+,32-,33-,34-,35-/m1/s1
SMILES:  CC(C)[C@H](CC[C@@H](C)[C@H]1[C@H]([C@H]([C@H]2[C@@H]3C[C@@H]([C@H]4[C@H]([C@H](CC[C@]4(C)[C@H]3CC[C@]12C)O)O)O)O)O)CCO[C@H]1[C@@H]([C@H]([C@@H](CO1)OC)O)O
Synthetic Gene Cluster:   n.a.
ChEMBL Identifier:   CHEMBL499765
PubChem CID:   11377220
Chemical Classification**:  
  • CHEMONTID:0000000 [Organic compounds]
    • [CHEMONTID:0000012] Lipids and lipid-like molecules
      • [CHEMONTID:0000258] Steroids and steroid derivatives
        • [CHEMONTID:0002031] Stigmastanes 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

Organism ID Organism Name Taxonomy Level Family SuperKingdom Isolation Part Collection Location Collection Time Reference
NPO7293 Certonardoa semiregularis Species Ophidiasteridae Eukaryota n.a. n.a. n.a. PMID[12444692]
NPO7293 Certonardoa semiregularis Species Ophidiasteridae Eukaryota n.a. n.a. n.a. PMID[12662097]
NPO7293 Certonardoa semiregularis Species Ophidiasteridae Eukaryota n.a. n.a. n.a. PMID[15104487]
NPO7293 Certonardoa semiregularis Species Ophidiasteridae Eukaryota n.a. n.a. n.a. PMID[15497935]

☑ 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
NPT81 Cell Line A549 Homo sapiens ED50 = 3.41 ug ml-1 PMID[456423]
NPT146 Cell Line SK-OV-3 Homo sapiens ED50 = 3.29 ug ml-1 PMID[456423]
NPT147 Cell Line SK-MEL-2 Homo sapiens ED50 = 2.36 ug ml-1 PMID[456423]
NPT574 Cell Line XF498 Homo sapiens ED50 = 3.53 ug ml-1 PMID[456423]
NPT148 Cell Line HCT-15 Homo sapiens ED50 = 8.2 ug ml-1 PMID[456423]

☑ 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 NPC223143 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
0.9881 High Similarity NPC102725
0.9881 High Similarity NPC473472
0.9767 High Similarity NPC277774
0.9762 High Similarity NPC281004
0.9655 High Similarity NPC475325
0.9651 High Similarity NPC36372
0.9651 High Similarity NPC5632
0.9651 High Similarity NPC293609
0.9651 High Similarity NPC149966
0.9545 High Similarity NPC92196
0.954 High Similarity NPC476669
0.9535 High Similarity NPC279329
0.9535 High Similarity NPC473542
0.9535 High Similarity NPC65550
0.9438 High Similarity NPC473287
0.9432 High Similarity NPC309866
0.9432 High Similarity NPC113500
0.9432 High Similarity NPC477224
0.9432 High Similarity NPC3538
0.9425 High Similarity NPC473637
0.9425 High Similarity NPC204881
0.9425 High Similarity NPC476668
0.9425 High Similarity NPC473830
0.9419 High Similarity NPC20822
0.9412 High Similarity NPC43912
0.9412 High Similarity NPC140446
0.9326 High Similarity NPC473065
0.9326 High Similarity NPC473064
0.9326 High Similarity NPC473067
0.9318 High Similarity NPC311246
0.9318 High Similarity NPC88962
0.9318 High Similarity NPC149400
0.9318 High Similarity NPC473726
0.9318 High Similarity NPC144790
0.9318 High Similarity NPC167644
0.9318 High Similarity NPC172838
0.9318 High Similarity NPC137004
0.9222 High Similarity NPC121453
0.9213 High Similarity NPC473851
0.9213 High Similarity NPC473774
0.9213 High Similarity NPC175
0.9213 High Similarity NPC473503
0.9213 High Similarity NPC475436
0.9213 High Similarity NPC253268
0.9213 High Similarity NPC312678
0.9213 High Similarity NPC131693
0.9213 High Similarity NPC174024
0.9213 High Similarity NPC24960
0.9213 High Similarity NPC291547
0.9213 High Similarity NPC45959
0.9213 High Similarity NPC222731
0.9213 High Similarity NPC252253
0.9213 High Similarity NPC179859
0.9213 High Similarity NPC294686
0.9195 High Similarity NPC131466
0.9195 High Similarity NPC82955
0.9176 High Similarity NPC290612
0.9121 High Similarity NPC477222
0.9121 High Similarity NPC470028
0.9121 High Similarity NPC233649
0.9121 High Similarity NPC477223
0.9111 High Similarity NPC469710
0.9111 High Similarity NPC474399
0.9101 High Similarity NPC249204
0.9101 High Similarity NPC477547
0.9101 High Similarity NPC234352
0.9101 High Similarity NPC48339
0.9101 High Similarity NPC297348
0.9101 High Similarity NPC477451
0.9101 High Similarity NPC325828
0.9101 High Similarity NPC250393
0.9101 High Similarity NPC177834
0.9101 High Similarity NPC141769
0.907 High Similarity NPC471240
0.9022 High Similarity NPC291548
0.9022 High Similarity NPC473638
0.9022 High Similarity NPC473518
0.9011 High Similarity NPC142264
0.9011 High Similarity NPC476510
0.9011 High Similarity NPC296936
0.9011 High Similarity NPC195297
0.9011 High Similarity NPC473601
0.9011 High Similarity NPC139271
0.9011 High Similarity NPC304011
0.9 High Similarity NPC471464
0.9 High Similarity NPC217205
0.9 High Similarity NPC291203
0.9 High Similarity NPC264101
0.8989 High Similarity NPC229801
0.8989 High Similarity NPC307167
0.8989 High Similarity NPC59006
0.8989 High Similarity NPC210759
0.8953 High Similarity NPC232044
0.8953 High Similarity NPC273290
0.8913 High Similarity NPC475207
0.8913 High Similarity NPC51520
0.8913 High Similarity NPC303069
0.8913 High Similarity NPC470862
0.8913 High Similarity NPC470861
0.8913 High Similarity NPC307534
0.8913 High Similarity NPC83137
0.8913 High Similarity NPC274200
0.8913 High Similarity NPC232611
0.8913 High Similarity NPC115165
0.8913 High Similarity NPC470591
0.8913 High Similarity NPC210157
0.8913 High Similarity NPC476112
0.8901 High Similarity NPC57964
0.8901 High Similarity NPC473727
0.8901 High Similarity NPC94582
0.8901 High Similarity NPC206003
0.8901 High Similarity NPC473610
0.8901 High Similarity NPC477494
0.8901 High Similarity NPC107188
0.8901 High Similarity NPC475351
0.8901 High Similarity NPC107962
0.8901 High Similarity NPC19400
0.8901 High Similarity NPC211354
0.8901 High Similarity NPC6295
0.8837 High Similarity NPC227260
0.883 High Similarity NPC476839
0.883 High Similarity NPC31346
0.883 High Similarity NPC477225
0.883 High Similarity NPC476838
0.8817 High Similarity NPC473616
0.8804 High Similarity NPC287483
0.8804 High Similarity NPC475643
0.8804 High Similarity NPC128572
0.8804 High Similarity NPC84111
0.8804 High Similarity NPC103616
0.8804 High Similarity NPC116756
0.8804 High Similarity NPC470865
0.8804 High Similarity NPC232037
0.8804 High Similarity NPC132080
0.8804 High Similarity NPC475625
0.8804 High Similarity NPC284104
0.8804 High Similarity NPC470863
0.8804 High Similarity NPC470866
0.8804 High Similarity NPC160426
0.8804 High Similarity NPC30856
0.8804 High Similarity NPC98018
0.8804 High Similarity NPC97700
0.8804 High Similarity NPC184617
0.8804 High Similarity NPC470864
0.8791 High Similarity NPC191915
0.8791 High Similarity NPC151214
0.8791 High Similarity NPC30687
0.8791 High Similarity NPC305418
0.8764 High Similarity NPC228059
0.875 High Similarity NPC472396
0.875 High Similarity NPC312774
0.8737 High Similarity NPC114700
0.8737 High Similarity NPC310138
0.8737 High Similarity NPC134967
0.8737 High Similarity NPC470029
0.8723 High Similarity NPC41843
0.8652 High Similarity NPC128475
0.8632 High Similarity NPC477172
0.8632 High Similarity NPC475574
0.8632 High Similarity NPC472081
0.8632 High Similarity NPC108227
0.8632 High Similarity NPC476512
0.8621 High Similarity NPC474156
0.8605 High Similarity NPC296734
0.8605 High Similarity NPC470611
0.8602 High Similarity NPC203434
0.8602 High Similarity NPC252056
0.8602 High Similarity NPC238796
0.8602 High Similarity NPC472989
0.8602 High Similarity NPC156377
0.8602 High Similarity NPC237071
0.8557 High Similarity NPC475521
0.8539 High Similarity NPC161928
0.8539 High Similarity NPC210658
0.8526 High Similarity NPC470030
0.8526 High Similarity NPC20028
0.8511 High Similarity NPC76486
0.8506 High Similarity NPC241959
0.8454 Intermediate Similarity NPC139181
0.8454 Intermediate Similarity NPC97260
0.8454 Intermediate Similarity NPC476837
0.8421 Intermediate Similarity NPC292775
0.8372 Intermediate Similarity NPC7479
0.8372 Intermediate Similarity NPC257296
0.8372 Intermediate Similarity NPC248944
0.8367 Intermediate Similarity NPC475365
0.8353 Intermediate Similarity NPC177343
0.8351 Intermediate Similarity NPC310031
0.8351 Intermediate Similarity NPC80191
0.8333 Intermediate Similarity NPC7341
0.8333 Intermediate Similarity NPC471247
0.8333 Intermediate Similarity NPC473200
0.8333 Intermediate Similarity NPC91497
0.8316 Intermediate Similarity NPC472273
0.8298 Intermediate Similarity NPC215570
0.828 Intermediate Similarity NPC171741
0.828 Intermediate Similarity NPC182740
0.828 Intermediate Similarity NPC224003
0.828 Intermediate Similarity NPC18724
0.828 Intermediate Similarity NPC122083

  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 NPC223143 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
0.9101 High Similarity NPD8171 Discontinued
0.8372 Intermediate Similarity NPD6928 Phase 2
0.8182 Intermediate Similarity NPD8170 Clinical (unspecified phase)
0.7412 Intermediate Similarity NPD4267 Clinical (unspecified phase)
0.7387 Intermediate Similarity NPD7516 Approved
0.7374 Intermediate Similarity NPD7991 Discontinued
0.7321 Intermediate Similarity NPD8377 Approved
0.7321 Intermediate Similarity NPD8294 Approved
0.7297 Intermediate Similarity NPD7327 Approved
0.7297 Intermediate Similarity NPD7328 Approved
0.7257 Intermediate Similarity NPD8296 Approved
0.7257 Intermediate Similarity NPD8380 Approved
0.7257 Intermediate Similarity NPD8335 Approved
0.7257 Intermediate Similarity NPD8379 Approved
0.7257 Intermediate Similarity NPD8033 Approved
0.7257 Intermediate Similarity NPD8378 Approved
0.7248 Intermediate Similarity NPD8133 Approved
0.7079 Intermediate Similarity NPD1810 Approved
0.7079 Intermediate Similarity NPD1811 Approved
0.7037 Intermediate Similarity NPD8132 Clinical (unspecified phase)
0.7009 Intermediate Similarity NPD6412 Phase 2
0.6932 Remote Similarity NPD7532 Clinical (unspecified phase)
0.6864 Remote Similarity NPD7507 Approved
0.6814 Remote Similarity NPD6940 Discontinued
0.681 Remote Similarity NPD7503 Approved
0.6789 Remote Similarity NPD8174 Phase 2
0.6774 Remote Similarity NPD6118 Approved
0.6774 Remote Similarity NPD6114 Approved
0.6774 Remote Similarity NPD6115 Approved
0.6774 Remote Similarity NPD6697 Approved
0.6742 Remote Similarity NPD2687 Approved
0.6742 Remote Similarity NPD2254 Approved
0.6742 Remote Similarity NPD4787 Phase 1
0.6742 Remote Similarity NPD2686 Approved
0.6694 Remote Similarity NPD7319 Approved
0.6667 Remote Similarity NPD6116 Phase 1
0.6628 Remote Similarity NPD371 Approved
0.6612 Remote Similarity NPD7736 Approved
0.6609 Remote Similarity NPD8295 Clinical (unspecified phase)
0.6598 Remote Similarity NPD3670 Clinical (unspecified phase)
0.6598 Remote Similarity NPD3669 Approved
0.6559 Remote Similarity NPD6117 Approved
0.6471 Remote Similarity NPD6370 Approved
0.6393 Remote Similarity NPD8293 Discontinued
0.6344 Remote Similarity NPD6113 Clinical (unspecified phase)
0.6304 Remote Similarity NPD4808 Clinical (unspecified phase)
0.6304 Remote Similarity NPD4809 Clinical (unspecified phase)
0.6303 Remote Similarity NPD6054 Approved
0.6303 Remote Similarity NPD6059 Approved
0.6289 Remote Similarity NPD7525 Registered
0.6281 Remote Similarity NPD8328 Phase 3
0.6277 Remote Similarity NPD3703 Phase 2
0.627 Remote Similarity NPD8449 Approved
0.625 Remote Similarity NPD8034 Phase 2
0.625 Remote Similarity NPD8035 Phase 2
0.622 Remote Similarity NPD8450 Suspended
0.6196 Remote Similarity NPD4245 Approved
0.6196 Remote Similarity NPD4244 Approved
0.6195 Remote Similarity NPD6686 Approved
0.6148 Remote Similarity NPD6067 Discontinued
0.6116 Remote Similarity NPD6015 Approved
0.6116 Remote Similarity NPD6016 Approved
0.6105 Remote Similarity NPD3702 Approved
0.6098 Remote Similarity NPD7492 Approved
0.6087 Remote Similarity NPD3700 Clinical (unspecified phase)
0.6087 Remote Similarity NPD3698 Phase 2
0.6087 Remote Similarity NPD3699 Clinical (unspecified phase)
0.6066 Remote Similarity NPD5988 Approved
0.6055 Remote Similarity NPD7638 Approved
0.6048 Remote Similarity NPD6616 Approved
0.6033 Remote Similarity NPD6319 Approved
0.6019 Remote Similarity NPD7524 Approved
0.6 Remote Similarity NPD7640 Approved
0.6 Remote Similarity NPD7639 Approved
0.6 Remote Similarity NPD7078 Approved
0.5983 Remote Similarity NPD6882 Approved
0.5983 Remote Similarity NPD8297 Approved
0.598 Remote Similarity NPD7520 Clinical (unspecified phase)
0.5957 Remote Similarity NPD5777 Approved
0.5946 Remote Similarity NPD1700 Approved
0.5929 Remote Similarity NPD4057 Clinical (unspecified phase)
0.5929 Remote Similarity NPD4056 Clinical (unspecified phase)
0.5922 Remote Similarity NPD8308 Discontinued
0.5917 Remote Similarity NPD6009 Approved
0.5913 Remote Similarity NPD5345 Clinical (unspecified phase)
0.5912 Remote Similarity NPD7625 Phase 1
0.5909 Remote Similarity NPD6123 Approved
0.59 Remote Similarity NPD1779 Approved
0.59 Remote Similarity NPD1780 Approved
0.5893 Remote Similarity NPD7632 Discontinued
0.5859 Remote Similarity NPD7645 Phase 2
0.5851 Remote Similarity NPD4789 Approved
0.5849 Remote Similarity NPD6700 Approved
0.5849 Remote Similarity NPD6701 Clinical (unspecified phase)
0.5827 Remote Similarity NPD6033 Approved
0.5806 Remote Similarity NPD5360 Phase 3
0.5806 Remote Similarity NPD5361 Clinical (unspecified phase)
0.5804 Remote Similarity NPD4159 Approved
0.5798 Remote Similarity NPD4632 Approved
0.5794 Remote Similarity NPD6703 Approved
0.5794 Remote Similarity NPD6702 Approved
0.5739 Remote Similarity NPD6402 Approved
0.5739 Remote Similarity NPD5739 Approved
0.5739 Remote Similarity NPD6675 Approved
0.5739 Remote Similarity NPD7128 Approved
0.5728 Remote Similarity NPD7338 Clinical (unspecified phase)
0.5726 Remote Similarity NPD4061 Clinical (unspecified phase)
0.5726 Remote Similarity NPD6372 Approved
0.5726 Remote Similarity NPD6373 Approved
0.5714 Remote Similarity NPD3701 Clinical (unspecified phase)
0.5714 Remote Similarity NPD8418 Phase 2
0.5714 Remote Similarity NPD2269 Approved
0.5678 Remote Similarity NPD4634 Approved
0.5652 Remote Similarity NPD3171 Clinical (unspecified phase)
0.5647 Remote Similarity NPD889 Approved
0.5647 Remote Similarity NPD895 Approved
0.5647 Remote Similarity NPD891 Phase 3
0.5647 Remote Similarity NPD892 Phase 3
0.5647 Remote Similarity NPD894 Approved
0.5647 Remote Similarity NPD890 Clinical (unspecified phase)
0.5647 Remote Similarity NPD888 Phase 3
0.5647 Remote Similarity NPD893 Approved
0.5647 Remote Similarity NPD887 Approved
0.5644 Remote Similarity NPD4748 Discontinued
0.5641 Remote Similarity NPD6899 Approved
0.5641 Remote Similarity NPD6881 Approved
0.5641 Remote Similarity NPD7320 Approved
0.5632 Remote Similarity NPD2267 Suspended
0.5631 Remote Similarity NPD6695 Phase 3
0.563 Remote Similarity NPD8130 Phase 1
0.563 Remote Similarity NPD6650 Approved
0.563 Remote Similarity NPD6649 Approved
0.5625 Remote Similarity NPD6081 Approved
0.5612 Remote Similarity NPD6942 Approved
0.5612 Remote Similarity NPD7339 Approved
0.56 Remote Similarity NPD3671 Phase 1

  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