PeptideDB

Gut restricted-7 (GR-7) 2553218-46-3

Gut restricted-7 (GR-7) 2553218-46-3

CAS No.: 2553218-46-3

Gut restricted-7 (GR-7) is a potent, covalent, and orally bioactive panbile salt hydrolase (BSH) inhibitor. Gut restrict
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Gut restricted-7 (GR-7) is a potent, covalent, and orally bioactive panbile salt hydrolase (BSH) inhibitor. Gut restricted-7 is tissue-selective and localizes to the intestine. Gut restricted-7 reduces BSH activity and deconjugated bile acid levels in intestinal bacteria in mouse feces.

Physicochemical Properties


Molecular Formula C25H40FNAO6S
Exact Mass 510.242
CAS # 2553218-46-3
Related CAS # BSH-IN-1;2553217-91-5
PubChem CID 145713840
Appearance Typically exists as solid at room temperature
Hydrogen Bond Donor Count 1
Hydrogen Bond Acceptor Count 7
Rotatable Bond Count 7
Heavy Atom Count 34
Complexity 849
Defined Atom Stereocenter Count 10
SMILES

C[C@H](CCC(=O)CF)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2[C@@H](C[C@H]4[C@@]3(CC[C@H](C4)OS(=O)(=O)[O-])C)O)C.[Na+]

InChi Key GVCGSXGVFOXFAT-CTSSCMOWSA-M
InChi Code

InChI=1S/C25H41FO6S.Na/c1-15(4-5-17(27)14-26)19-6-7-20-23-21(9-11-25(19,20)3)24(2)10-8-18(32-33(29,30)31)12-16(24)13-22(23)28;/h15-16,18-23,28H,4-14H2,1-3H3,(H,29,30,31);/q;+1/p-1/t15-,16+,18-,19-,20+,21+,22-,23+,24+,25-;/m1./s1
Chemical Name

sodium;[(3R,5R,7R,8R,9S,10S,13R,14S,17R)-17-[(2R)-6-fluoro-5-oxohexan-2-yl]-7-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] sulfate
HS Tariff Code 2934.99.9001
Storage

Powder-20°C 3 years

4°C 2 years

In solvent -80°C 6 months

-20°C 1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

Biological Activity


Targets Bile salt hydrolase (BSH)[1]
ln Vitro The epithelial barrier integrity of Caco-2 cells was not affected by the BSH Inhibitor Gut Restricted-7 (GR-7) (60 μM), suggesting that this molecule is comparatively benign. Additionally, microbial biomass is unaffected by gut restricted-7 [1].
ln Vivo For one day, C57BL/6 mice were given either a powdered food that contained 0.09% of Gut Restricted-7 (GR-7) (w/w) or just the powdered diet. Eight hours after a food shift, gut restricted-7 dramatically reduced BSH activity in the excrement of mice treated with inhibitors. Cecal contents contained 20 pmol/mg wet weight (~20 μM) of gut restricted-7 [1].
References [1]. Adhikari AA, et al. Development of a covalent inhibitor of gut bacterial bile salt hydrolases. Nat Chem Biol. 2020 Mar;16(3):318-326.

Solubility Data


Solubility (In Vitro) DMSO: 250 mg/mL (489.59 mM)
H2O: ≥ 100 mg/mL (195.84 mM)
Solubility (In Vivo) Solubility in Formulation 1: ≥ 2.19 mg/mL (4.29 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 21.9 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.08 mg/mL (4.07 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

Solubility in Formulation 3: ≥ 2.08 mg/mL (4.07 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)