NPASS Compound

Natural Product: NPC561461

Natural Product ID	NPC561461
Common Name ? The InCHIKey will be temporarily assigned as the "Common Name" if no IUPAC name or alternative short name is available.	Monatin
IUPAC Name	(2~{S},4~{S})-4-amino-2-hydroxy-2-(1~{H}-indol-3-ylmethyl)pentanedioic acid
Synonyms
Synthetic Gene Cluster	n.a.
ChEMBL Identifier	n.a.
PubChem CID	n.a.
Chemical Classification	CHEMONTID:0000000 [Organic compounds] [CHEMONTID:0000264] Organic acids and derivatives [CHEMONTID:0000265] Carboxylic acids and derivatives [CHEMONTID:0000013] Amino acids, peptides, and analogues [CHEMONTID:0000347] Amino acids and derivatives [CHEMONTID:0000060] Alpha amino acids and derivatives [CHEMONTID:0002404] Alpha amino acids [CHEMONTID:0004146] L-alpha-amino acids

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

Chemical Representations

RDKit 3D 37 38 0 0 0 0 0 0 0 0999 V2000 -4.6530 0.1407 -0.6557 N 0 0 0 0 0 0 0 0 0 0 0 0 -3.4782 -0.2755 0.1600 C 0 0 1 0 0 0 0 0 0 0 0 0 -2.3069 -0.1803 -0.7403 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.9737 -0.5416 -0.1892 C 0 0 1 0 0 0 0 0 0 0 0 0 -0.8949 -1.8576 0.2967 O 0 0 0 0 0 0 0 0 0 0 0 0 0.0039 -0.5644 -1.3927 C 0 0 0 0 0 0 0 0 0 0 0 0 1.3670 -0.9229 -0.9563 C 0 0 0 0 0 0 0 0 0 0 0 0 1.8716 -2.2343 -0.9226 C 0 0 0 0 0 0 0 0 0 0 0 0 3.1061 -2.1675 -0.4205 N 0 0 0 0 0 0 0 0 0 0 0 0 3.4331 -0.9013 -0.1287 C 0 0 0 0 0 0 0 0 0 0 0 0 4.6001 -0.3859 0.3902 C 0 0 0 0 0 0 0 0 0 0 0 0 4.6796 0.9765 0.5794 C 0 0 0 0 0 0 0 0 0 0 0 0 3.6152 1.7851 0.2536 C 0 0 0 0 0 0 0 0 0 0 0 0 2.4517 1.2708 -0.2634 C 0 0 0 0 0 0 0 0 0 0 0 0 2.3532 -0.0882 -0.4576 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.4989 0.4739 0.7422 C 0 0 0 0 0 0 0 0 0 0 0 0 0.1776 0.2285 1.7855 O 0 0 0 0 0 0 0 0 0 0 0 0 -0.8299 1.8044 0.4433 O 0 0 0 0 0 0 0 0 0 0 0 0 -3.5050 0.5803 1.3395 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.7752 0.3363 2.3260 O 0 0 0 0 0 0 0 0 0 0 0 0 -4.3192 1.7020 1.4561 O 0 0 0 0 0 0 0 0 0 0 0 0 -5.4764 -0.1578 -0.0846 H 0 0 0 0 0 0 0 0 0 0 0 0 -4.6115 1.1940 -0.6157 H 0 0 0 0 0 0 0 0 0 0 0 0 -3.6909 -1.3562 0.3748 H 0 0 0 0 0 0 0 0 0 0 0 0 -2.5137 -0.7971 -1.6528 H 0 0 0 0 0 0 0 0 0 0 0 0 -2.1923 0.8671 -1.1624 H 0 0 0 0 0 0 0 0 0 0 0 0 -1.7585 -2.1625 0.6851 H 0 0 0 0 0 0 0 0 0 0 0 0 -0.3619 -1.3132 -2.1039 H 0 0 0 0 0 0 0 0 0 0 0 0 -0.0190 0.4371 -1.8807 H 0 0 0 0 0 0 0 0 0 0 0 0 1.3318 -3.1162 -1.2514 H 0 0 0 0 0 0 0 0 0 0 0 0 3.7341 -3.0091 -0.2767 H 0 0 0 0 0 0 0 0 0 0 0 0 5.4539 -1.0216 0.6525 H 0 0 0 0 0 0 0 0 0 0 0 0 5.5974 1.4028 0.9897 H 0 0 0 0 0 0 0 0 0 0 0 0 3.7029 2.8719 0.4133 H 0 0 0 0 0 0 0 0 0 0 0 0 1.6214 1.9041 -0.5379 H 0 0 0 0 0 0 0 0 0 0 0 0 -0.3159 2.5849 0.8266 H 0 0 0 0 0 0 0 0 0 0 0 0 -3.9256 2.4923 1.9786 H 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 1 0 3 4 1 0 4 5 1 1 4 6 1 0 6 7 1 0 7 8 2 0 8 9 1 0 9 10 1 0 10 11 2 0 11 12 1 0 12 13 2 0 13 14 1 0 14 15 2 0 4 16 1 0 16 17 2 0 16 18 1 0 2 19 1 0 19 20 2 0 19 21 1 0 15 7 1 0 15 10 1 0 1 22 1 0 1 23 1 0 2 24 1 1 3 25 1 0 3 26 1 0 5 27 1 0 6 28 1 0 6 29 1 0 8 30 1 0 9 31 1 0 11 32 1 0 12 33 1 0 13 34 1 0 14 35 1 0 18 36 1 0 21 37 1 0 M END

Standard InCHIKey	RMLYXMMBIZLGAQ-HZMBPMFUSA-N
Standard InCHI	InChI=1S/C14H16N2O5/c15-10(12(17)18)6-14(21,13(19)20)5-8-7-16-11-4-2-1-3-9(8)11/h1-4,7,10,16,21H,5-6,15H2,(H,17,18)(H,19,20)/t10-,14-/m0/s1
SMILES	N[C@@H](C[C@@](O)(CC1=CNC2=CC=CC=C12)C(=O)O)C(=O)O

Calculated Properties

Physi-Chem Properties

MedChem Properties

ADMET Properties (ADMETlab3.0)

ADMET: Absorption

ADMET: Distribution

ADMET: Metabolism

ADMET: Excretion

ADMET: Toxicity

Species Source

Organism ID	Organism Name	Taxonomy Level	Family	SuperKingdom	Isolation Part	Collection Location	Collection Time	Reference
NPO54647	Schlerochiton ilicifolius	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.	Database[COCONUT]

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

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

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 NPC561461 and all remaining natural products in the NPASS database.
● The right table: Most similar natural products (Tc>=0.5 or Top200).

range	Tanimoto Coefficient
0-0.1	29153
0.1-0.2	19085
0.2-0.3	1249
0.3-0.4	267
0.4-0.5	89
0.5-0.6	11
0.6-0.7	5
0.7-0.8	0
0.8-0.85	0
0.85-0.9	0
0.9-0.95	0
0.95-1	0

Similarity Score	Similarity Level	Natural Product ID
0.6545	Remote Similarity	NPC149155
0.6545	Remote Similarity	NPC203468
0.6545	Remote Similarity	NPC110500
0.6364	Remote Similarity	NPC315555
0.6034	Remote Similarity	NPC248041
0.5965	Remote Similarity	NPC605329
0.5893	Remote Similarity	NPC78020
0.5862	Remote Similarity	NPC480318
0.5667	Remote Similarity	NPC480316
0.5645	Remote Similarity	NPC283219
0.5517	Remote Similarity	NPC55772
0.5185	Remote Similarity	NPC96102
0.5161	Remote Similarity	NPC480317
0.5091	Remote Similarity	NPC230869
0.5079	Remote Similarity	NPC267885
0.5075	Remote Similarity	NPC602969

Similar Clinical/Approved Drugs

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

● The left chart: Distribution of similarity level between NPC561461 and all drugs/candidates.
● The right table: Most similar clinical/approved drugs (Tc>=0.5 or Top200).

range	Tanimoto Coefficient
0-0.1	3717
0.1-0.2	5117
0.2-0.3	264
0.3-0.4	41
0.4-0.5	4
0.5-0.6	5
0.6-0.7	1
0.7-0.8	0
0.8-0.85	0
0.85-0.9	0
0.9-0.95	0
0.95-1	0

Similarity Score	Similarity Level	Drug ID	Developmental Stage
0.6545	Remote Similarity	NPD482	Phase 4
0.5862	Remote Similarity	NPD749	Clinical (unspecified phase)
0.5672	Remote Similarity	NPD2094	Phase 2
0.5672	Remote Similarity	NPD2095	Phase 2
0.5588	Remote Similarity	NPD2092	Phase 2
0.5185	Remote Similarity	NPD198	Clinical (unspecified phase)

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