PANKi
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MedKoo CAT#: 463165

CAS#: 902614-04-4

Description: Pantothenate Kinase Inhibitor (PANKi) is a reversible inhibitor of pantothenate kinase, the rate-limiting enzyme in the synthesis of coenzyme A. It binds to the ATP-PanK3 complex with an apparent binding constant of 300 nM and exhibits mixed-type inhibition with respect to ATP and pantothenate. PANKi inhibits CoA biosynthesis in C3A cells with no effect on cell viability when used at concentrations up to 8 µM. PANKi synergizes with BSO to induce ferroptosis in PANC-1 cells and sensitizes the cells to imidazole ketone erastin-induced ferroptosis.


Chemical Structure

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PANKi
CAS# 902614-04-4

Theoretical Analysis

MedKoo Cat#: 463165
Name: PANKi
CAS#: 902614-04-4
Chemical Formula: C21H21N5OS
Exact Mass: 391.15
Molecular Weight: 391.493
Elemental Analysis: C, 64.43; H, 5.41; N, 17.89; O, 4.09; S, 8.19

Price and Availability

Size Price Availability Quantity
5mg USD 300 2 Weeks
10mg USD 550 2 Weeks
25mg USD 950 2 Weeks
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Synonym: PANKi; PanK Inhibitor; Pantothenate Kinase Inhibitor;

IUPAC/Chemical Name: 3-(2,4-dimethylpyrido[2',3':3,4]pyrazolo[1,5-a]pyrimidin-3-yl)-N-(3-(methylthio)phenyl)propanamide

InChi Key: UNCZUEUPSJKHGB-UHFFFAOYSA-N

InChi Code: InChI=1S/C21H21N5OS/c1-13-17(9-10-19(27)24-15-6-4-7-16(12-15)28-3)14(2)26-21(23-13)18-8-5-11-22-20(18)25-26/h4-8,11-12H,9-10H2,1-3H3,(H,24,27)

SMILES Code: CC1=C(C(C)=NC2=C3C=CC=NC3=NN21)CCC(NC4=CC=CC(SC)=C4)=O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

More Info:

Product Data:
Biological target: Pantothenate Kinase Inhibitor (PANKi) is a reversible inhibitor of pantothenate kinase.
In vitro activity: Pantothenate kinase (PanK) is a regulatory enzyme that controls coenzyme A (CoA) biosynthesis. The association of PanK with neurodegeneration and diabetes suggests that chemical modifiers of PanK activity may be useful therapeutics. This study performed a high throughput screen of >520000 compounds from the St. Jude compound library and identified new potent PanK inhibitors and activators with chemically tractable scaffolds. The HTS identified PanK inhibitors exemplified by the detailed characterization of a tricyclic compound (7) and a preliminary SAR. Biophysical studies reveal that the PanK inhibitor acts by binding to the ATP-enzyme complex. Reference: J Med Chem. 2015 Feb 12;58(3):1563-8. https://pubmed.ncbi.nlm.nih.gov/25569308/
In vivo activity: TBD

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
Solubility
DMF 1.0 2.55
DMSO 1.0 2.55
DMSO:PBS (pH 7.2) (1:4) 0.3 0.64

Preparing Stock Solutions

The following data is based on the product molecular weight 391.49 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol: Sharma LK, Leonardi R, Lin W, Boyd VA, Goktug A, Shelat AA, Chen T, Jackowski S, Rock CO. A high-throughput screen reveals new small-molecule activators and inhibitors of pantothenate kinases. J Med Chem. 2015 Feb 12;58(3):1563-8. doi: 10.1021/jm501585q. Epub 2015 Jan 21. PMID: 25569308; PMCID: PMC4357395.
In vitro protocol: Sharma LK, Leonardi R, Lin W, Boyd VA, Goktug A, Shelat AA, Chen T, Jackowski S, Rock CO. A high-throughput screen reveals new small-molecule activators and inhibitors of pantothenate kinases. J Med Chem. 2015 Feb 12;58(3):1563-8. doi: 10.1021/jm501585q. Epub 2015 Jan 21. PMID: 25569308; PMCID: PMC4357395.
In vivo protocol: TBD

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1: Guan J, Barnard L, Cresson J, Hoegl A, Chang JH, Strauss E, Auclair K. Probing the ligand preferences of the three types of bacterial pantothenate kinase. Bioorg Med Chem. 2018 Dec 1;26(22):5896-5902. doi: 10.1016/j.bmc.2018.10.042. Epub 2018 Nov 2. PMID: 30429095.

2: Singla A, Sharma P, Gupta A, Khan NI, Rani C, Singh TP, Sharma S. Biophysical characterization of Type III Pantothenate kinase (PanK) from Acinetobacter baumannii. Protein Pept Lett. 2020 Aug 13. doi: 10.2174/0929866527666200813202445. Epub ahead of print. PMID: 32798368.

3: Shapiro JA, Varga JJ, Parsonage D, Walton W, Redinbo MR, Ross LJ, White EL, Bostwick R, Wuest WM, Claiborne A, Goldberg JB. Identification of Specific and Nonspecific Inhibitors of Bacillus anthracis Type III Pantothenate Kinase (PanK). ChemMedChem. 2019 Jan 8;14(1):78-82. doi: 10.1002/cmdc.201800652. Epub 2018 Dec 3. PMID: 30376607; PMCID: PMC6456334.

4: Sharma LK, Leonardi R, Lin W, Boyd VA, Goktug A, Shelat AA, Chen T, Jackowski S, Rock CO. A high-throughput screen reveals new small-molecule activators and inhibitors of pantothenate kinases. J Med Chem. 2015 Feb 12;58(3):1563-8. doi: 10.1021/jm501585q. Epub 2015 Jan 21. PMID: 25569308; PMCID: PMC4357395.