Natural Product: NPC195685

Natural Product IDNPC195685
Common Name
?
The InCHIKey will be temporarily assigned as the "Common Name" if no IUPAC name or alternative short name is available.
Cosmosiin 6''-(Z)-P-Coumarate
IUPAC Name [(2R,3S,4S,5R,6S)-3,4,5-trihydroxy-6-[5-hydroxy-2-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxyoxan-2-yl]methyl (Z)-3-(4-hydroxyphenyl)prop-2-enoate
Synonyms
Synthetic Gene Cluster n.a.
ChEMBL Identifier CHEMBL3597473
PubChem CID 16109837
Chemical Classification
  • CHEMONTID:0000000 [Organic compounds]
    • [CHEMONTID:0000261] Phenylpropanoids and polyketides
      • [CHEMONTID:0000334] Flavonoids
        • [CHEMONTID:0001111] Flavonoid glycosides
          • [CHEMONTID:0001583] Flavonoid O-glycosides
            • [CHEMONTID:0003533] Flavonoid-7-O-glycosides

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 WPQRDUGBKUNFJW-SVZMWWRJSA-N
Standard InCHI InChI=1S/C30H26O12/c31-17-6-1-15(2-7-17)3-10-25(35)39-14-24-27(36)28(37)29(38)30(42-24)40-19-11-20(33)26-21(34)13-22(41-23(26)12-19)16-4-8-18(32)9-5-16/h1-13,24,27-33,36-38H,14H2/b10-3-/t24-,27-,28+,29-,30-/m1/s1
SMILES c1cc(ccc1/C=CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@H](Oc2cc(c3c(=O)cc(c4ccc(cc4)O)oc3c2)O)O1)O)O)O)O

  Calculated Properties

Physi-Chem Properties

Molecular Weight:   578.14 Volume:   555.862
?
Van der Waals volume.
Dense:   1.04 LogP:   1.839
?
The logarithm of the n-octanol/water distribution coefficients.
logD7.4:   1.77
?
The logarithm of the n-octanol/water distribution coefficient at pH=7.4.
LogS:   -4.471
?
The logarithm of aqueous solubility value.
Rotatable Bonds:   8.0 Rigid Bonds:   32.0
TPSA:   196.35
?
Topological Polar Surface Area.
H-Bond Acceptor:   12.0
H-Bond Donor:   6.0 Rings:   5.0
Heavy Atoms:   12.0

MedChem Properties

QED Drug-Likeness Score:   0.138 GASA:   0.0
?
GASA represents the probability of being difficult to synthesize, ranging from 0 to 1.
Synthetic Accessibility Score:   4.081 Fsp3:   0.2
MCE-18:   101.611
?
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:   0
Chelating Alert:   0 PAINS Alert:   0
Colloidal aggregators:   0.765 Fluc inhibitor:   0.985
?
The fluc inhibitor value is the probability of being fLuc inhibitors, within the range of 0 to 1.
Blue fluorescence:   0.98
?
The blue fluorescence value is the probability of being blue fluorescence, within the range of 0 to 1
Green fluorescence:   0.996
?
The green fluorescence value is the probability of being green fluorescence, within the range of 0 to 1
Reactive compounds:   0.15 Promiscuous compounds:   0.513

ADMET Properties (ADMETlab3.0)

ADMET: Absorption

Caco-2 Permeability:   -6.086 MDCK Permeability:   -5.113
Pgp-inhibitor:   0.003 Pgp-substrate:   0.017
PAMPA:   0.99
?
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):   0.342
20% Bioavailability (F20%):   0.976 30% Bioavailability (F30%):   0.999
50% Bioavailability (F50%):   1.0

ADMET: Distribution

Blood-Brain-Barrier Penetration (BBB):   0.0 MRP1:   0.023
Plasma Protein Binding (PPB):   90.367% Volume Distribution (VD):   -0.058
Fu: 9.016%
?
The fraction unbound in plasms.
OATP1B1 inhibitor:   0.999
OATP1B3 inhibitor:   1.0 BCRP inhibitor:   0.089
BSEP inhibitor:   0.803

ADMET: Metabolism

CYP1A2-inhibitor:   0.0 CYP1A2-substrate:   0.168
CYP2C19-inhibitor:   0.0 CYP2C19-substrate:   0.023
CYP2C9-inhibitor:   0.001 CYP2C9-substrate:   0.036
CYP2D6-inhibitor:   0.008 CYP2D6-substrate:   0.992
CYP3A4-inhibitor:   0.0 CYP3A4-substrate:   1.0
CYP2B6-substrate:   0.0 CYP2C8-inhibitor:   1.0
HLM stability:   0.022
?
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):  2.447 Half-life (T1/2):  3.066

ADMET: Toxicity

hERG Blockers:  0.186 hERG Blockers (10um):  0.656
Human Hepatotoxicity (H-HT):  0.493 Drug-induced Liver Injury (DILI):  0.812
AMES Toxicity:  0.676 Rat Oral Acute Toxicity:  0.041
Maximum Recommended Daily Dose:  0.465 Skin Sensitization:  0.999
Carcinogencity:  0.016 Eye Corrosion:  0.0
Eye Irritation:  0.883 Respiratory Toxicity:  0.079
Drug-induced Neurotoxicity:  0.014 Ototoxicity:  0.261
Hematotoxicity:  0.002 Drug-induced Nephrotoxicity:  0.239
Genotoxicity:  0.775 RPMI-8226 Immunitoxicity:  0.127
A549 Cytotoxicity:  0.968 Hek293 Cytotoxicity:  0.943
BCF:   0.974
?
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:   3.949
?
48 hour Tetrahymena pyriformis IGC50. The unit of IGC50 is -log10[(mg/L)/(1000*MW)].
LC50DM:   4.736
?
48 hour Daphnia magna LC50. The unit of LC50DM is -log10[(mg/L)/(1000*MW)].
LC50FM:   4.448
?
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
NPO2804 Calophyllum inophyllum Species Calophyllaceae Eukaryota n.a. n.a. n.a. PMID[15678383]
NPO2804 Calophyllum inophyllum Species Calophyllaceae Eukaryota n.a. n.a. n.a. PMID[16045947]
NPO8764 Laurencia decumbens Species Rhodomelaceae Eukaryota n.a. n.a. n.a. PMID[17711344]
NPO8653 Leuconostoc mesenteroides Species Leuconostocaceae Bacteria n.a. n.a. n.a. PMID[19025748]
NPO24671 Lycopodium japonicum Species Lycopodiaceae Eukaryota n.a. n.a. n.a. PMID[19245240]
NPO2804 Calophyllum inophyllum Species Calophyllaceae Eukaryota n.a. stem n.a. PMID[20188156]
NPO26700 Tinospora crispa Species Menispermaceae Eukaryota n.a. n.a. n.a. PMID[20356064]
NPO26700 Tinospora crispa Species Menispermaceae Eukaryota n.a. n.a. n.a. PMID[22283497]
NPO3123 Anthemis cretica Species Asteraceae Eukaryota n.a. aerial part n.a. PMID[22351977]
NPO26700 Tinospora crispa Species Menispermaceae Eukaryota leaf Putz City, Chiayi County, Taiwan 2009-Nov PMID[25999202]
NPO26700 Tinospora crispa Species Menispermaceae Eukaryota n.a. n.a. n.a. PMID[28742368]
NPO26700 Tinospora crispa Species Menispermaceae Eukaryota n.a. n.a. n.a. PMID[29397715]
NPO2804 Calophyllum inophyllum Species Calophyllaceae Eukaryota n.a. Malaysian n.a. PMID[7506311]
NPO2804 Calophyllum inophyllum Species Calophyllaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO26700 Tinospora crispa Species Menispermaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO24671 Lycopodium japonicum Species Lycopodiaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO2012 Turnera diffusa Species Passifloraceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO19826 Helicoverpa armigera Species Noctuidae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO26103 Streptomyces bobili Species Streptomycetaceae Bacteria n.a. n.a. n.a. Database[COCONUT]
NPO28741 Afrocarpus gracilior Species Podocarpaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO2495 Agave xylonacantha Species Asparagaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO3123 Anthemis cretica Species Asteraceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO6766 Antiphiona pinnatisecta Species Asteraceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO9567 Enicosanthum cupulare Species Annonaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO8764 Laurencia decumbens Species Rhodomelaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO8653 Leuconostoc mesenteroides Species Leuconostocaceae Bacteria n.a. n.a. n.a. Database[COCONUT]
NPO10991 Maackia tashiroi Species Fabaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO9136 Pseudocyclosorus subochthodes Species Thelypteridaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO24671 Lycopodium japonicum Species Lycopodiaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO2804 Calophyllum inophyllum Species Calophyllaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO3123 Anthemis cretica Species Asteraceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO24671 Lycopodium japonicum Species Lycopodiaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO2804 Calophyllum inophyllum Species Calophyllaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO28741 Afrocarpus gracilior Species Podocarpaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO24671 Lycopodium japonicum Species Lycopodiaceae Eukaryota n.a. n.a. n.a. Database[TCM_Taiwan]
NPO8653 Leuconostoc mesenteroides Species Leuconostocaceae Bacteria n.a. n.a. n.a. Database[UNPD]
NPO2012 Turnera diffusa Species Passifloraceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO24671 Lycopodium japonicum Species Lycopodiaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO3123 Anthemis cretica Species Asteraceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO19826 Helicoverpa armigera Species Noctuidae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO26103 Streptomyces bobili Species Streptomycetaceae Bacteria n.a. n.a. n.a. Database[UNPD]
NPO6766 Antiphiona pinnatisecta Species Asteraceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO9567 Enicosanthum cupulare Species Annonaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO2804 Calophyllum inophyllum Species Calophyllaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO10991 Maackia tashiroi Species Fabaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO8764 Laurencia decumbens Species Rhodomelaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO9136 Pseudocyclosorus subochthodes Species Thelypteridaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO26700 Tinospora crispa Species Menispermaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO28741 Afrocarpus gracilior Species Podocarpaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO2495 Agave xylonacantha Species Asparagaceae 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
NPT2 Others Unspecified n.a. IC50 = 10100.0 nM PMID[25999202]

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 NPC195685 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 NPC270675
0.9412 High Similarity NPC472994
0.8989 High Similarity NPC472993
0.8315 Intermediate Similarity NPC80068
0.7912 Intermediate Similarity NPC477629
0.7604 Intermediate Similarity NPC473278
0.7473 Intermediate Similarity NPC64051
0.7423 Intermediate Similarity NPC480796
0.7143 Intermediate Similarity NPC44931
0.7011 Intermediate Similarity NPC27942
0.6804 Remote Similarity NPC85751
0.6804 Remote Similarity NPC19240
0.6771 Remote Similarity NPC210961
0.6771 Remote Similarity NPC229409
0.6762 Remote Similarity NPC471030
0.6744 Remote Similarity NPC331652
0.6735 Remote Similarity NPC101636
0.6735 Remote Similarity NPC298171
0.6667 Remote Similarity NPC39360
0.6667 Remote Similarity NPC29763
0.6667 Remote Similarity NPC210003
0.6566 Remote Similarity NPC36138
0.6562 Remote Similarity NPC46202
0.65 Remote Similarity NPC223426
0.6452 Remote Similarity NPC172807
0.64 Remote Similarity NPC260504
0.64 Remote Similarity NPC89809
0.6373 Remote Similarity NPC599948
0.6354 Remote Similarity NPC22062
0.6354 Remote Similarity NPC473634
0.6354 Remote Similarity NPC210073
0.6354 Remote Similarity NPC138811
0.6344 Remote Similarity NPC190003
0.6275 Remote Similarity NPC214621
0.6275 Remote Similarity NPC34267
0.6207 Remote Similarity NPC291153
0.619 Remote Similarity NPC217520
0.6176 Remote Similarity NPC484301
0.6162 Remote Similarity NPC65711
0.6154 Remote Similarity NPC181712
0.61 Remote Similarity NPC473623
0.61 Remote Similarity NPC209296
0.6095 Remote Similarity NPC477895
0.604 Remote Similarity NPC488089
0.6038 Remote Similarity NPC164704
0.6019 Remote Similarity NPC179862
0.6 Remote Similarity NPC470416
0.5962 Remote Similarity NPC81042
0.5962 Remote Similarity NPC603856
0.5934 Remote Similarity NPC19709
0.5877 Remote Similarity NPC199172
0.587 Remote Similarity NPC95090
0.587 Remote Similarity NPC27408
0.587 Remote Similarity NPC189142
0.587 Remote Similarity NPC77660
0.5789 Remote Similarity NPC601144
0.5784 Remote Similarity NPC139060
0.5784 Remote Similarity NPC476620
0.5773 Remote Similarity NPC211594
0.5741 Remote Similarity NPC470715
0.5729 Remote Similarity NPC311830
0.5714 Remote Similarity NPC254540
0.5684 Remote Similarity NPC282169
0.5644 Remote Similarity NPC186816
0.5638 Remote Similarity NPC10205
0.5636 Remote Similarity NPC139571
0.5636 Remote Similarity NPC470716
0.5625 Remote Similarity NPC22832
0.5625 Remote Similarity NPC243930
0.5625 Remote Similarity NPC298666
0.5607 Remote Similarity NPC121703
0.5591 Remote Similarity NPC261866
0.5545 Remote Similarity NPC473512
0.5545 Remote Similarity NPC129827
0.5524 Remote Similarity NPC188815
0.5484 Remote Similarity NPC473043
0.5463 Remote Similarity NPC11468
0.5439 Remote Similarity NPC470717
0.5437 Remote Similarity NPC470125
0.5435 Remote Similarity NPC157898
0.5426 Remote Similarity NPC108831
0.5426 Remote Similarity NPC182634
0.5421 Remote Similarity NPC218161
0.5408 Remote Similarity NPC607707
0.5392 Remote Similarity NPC65003
0.5391 Remote Similarity NPC470720
0.5391 Remote Similarity NPC488079
0.5391 Remote Similarity NPC488078
0.5385 Remote Similarity NPC477628
0.537 Remote Similarity NPC96605
0.537 Remote Similarity NPC280642
0.5368 Remote Similarity NPC323593
0.5368 Remote Similarity NPC203500
0.5361 Remote Similarity NPC204937
0.5301 Remote Similarity NPC234133
0.53 Remote Similarity NPC477848
0.5294 Remote Similarity NPC35924
0.5294 Remote Similarity NPC67105
0.5288 Remote Similarity NPC472992
0.5283 Remote Similarity NPC294722
0.5263 Remote Similarity NPC249281
0.5258 Remote Similarity NPC198324
0.5221 Remote Similarity NPC488087
0.5208 Remote Similarity NPC93337
0.5208 Remote Similarity NPC297987
0.5208 Remote Similarity NPC146792
0.52 Remote Similarity NPC276377
0.5192 Remote Similarity NPC122809
0.5192 Remote Similarity NPC204693
0.5155 Remote Similarity NPC46420
0.5155 Remote Similarity NPC105025
0.5152 Remote Similarity NPC476869
0.5152 Remote Similarity NPC476866
0.514 Remote Similarity NPC479766
0.514 Remote Similarity NPC486577
0.5138 Remote Similarity NPC470450
0.513 Remote Similarity NPC488086
0.5098 Remote Similarity NPC472876
0.5096 Remote Similarity NPC479405
0.5096 Remote Similarity NPC303913
0.5093 Remote Similarity NPC479765
0.5051 Remote Similarity NPC20505
0.505 Remote Similarity NPC476870
0.5048 Remote Similarity NPC129264
0.5048 Remote Similarity NPC479404
0.5047 Remote Similarity NPC483707
0.5047 Remote Similarity NPC72016

Similar Clinical/Approved Drugs

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

●  The left chart: Distribution of similarity level between NPC195685 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
0.61 Remote Similarity NPD7054 Phase 4

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