Cyclo(Pro-Ala)

CAS# 65556-33-4

Cyclo(Pro-Ala)

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Chemical structure

Cyclo(Pro-Ala)

3D structure

Chemical Properties of Cyclo(Pro-Ala)

Cas No. 65556-33-4 SDF Download SDF
PubChem ID 6428987 Appearance Powder
Formula C8H12N2O2 M.Wt 168.20
Type of Compound Miscellaneous Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name 3-methyl-2,3,6,7,8,8a-hexahydropyrrolo[1,2-a]pyrazine-1,4-dione
SMILES CC1C(=O)N2CCCC2C(=O)N1
Standard InChIKey WSLYCILIEOFQPK-UHFFFAOYSA-N
Standard InChI InChI=1S/C8H12N2O2/c1-5-8(12)10-4-2-3-6(10)7(11)9-5/h5-6H,2-4H2,1H3,(H,9,11)
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of Cyclo(Pro-Ala)

The roots of Rubia schumanniana Pritzel

Biological Activity of Cyclo(Pro-Ala)

DescriptionCyclo(Pro-Ala) is a new cell cycle inhibitor.
In vitro

Cyclic dipeptides as new cell cycle inhibitors produced by Streptomyces flavoretus [Reference: WebLink]

Journal of Shenyang Pharmaceutical University, 2015(2):107 -10.

To find the cell cycle inhibitors from the metabolites of Streptomyces flavoretus 18522.
METHODS AND RESULTS:
Activity-guided isolation was performed on the chloroform extract of the fermentation broth and mycelia of Streptomyces flavoretus 18522 by using ts FT210 cells.Compounds were isolated through various chromatoghraphic methods and elucidated by spectroscopic means.The flow cytometry was used to evaluate the cell cycle inhibiting activity of the fractions and compounds. Six cyclic dipeptides were obtained and identified as cyclo(Ala-Leu)(1),cyclo(Ala-Ile)(2),cyclo(Ala-Val)(3),cyclo(Phe-Leu)(4),Cyclo(Pro-Ala)(5) and cyclo(Phe-Val)(6).
CONCLUSIONS:
Compounds 1-6 are reported as new cell cycle inhibitors for the first time.

Protocol of Cyclo(Pro-Ala)

Structure Identification
Int J Pept Protein Res. 1985 Nov;26(5):518-27.

Theoretical pi-pi* absorption and circular dichroic spectra of cyclic dipeptides.[Pubmed: 4086166]


METHODS AND RESULTS:
The dipole interaction model, treated by the partially dispersive normal mode method, is used to calculate circular dichroic spectra of cyclo(Gly-Gly), cyclo (Ala-Gly), cyclo(Ala-Ala), cyclo(Pro-Gly), Cyclo(Pro-Ala), cyclo(Pro-Val), cyclo (Pro-D-Val), and cyclo(Pro-Pro) in the amide pi-pi* absorption band near 190 nm. Assuming a standard backbone geometry, spectra which are in fair to good agreement with experiment are obtained for these molecules. The spectra are predicted to be sensitive to conformations of Pro and Val side chains. The effects of dipeptide ring folding on calculated CD spectra are mostly consistent with those found by other workers, except that it is found that a planar ring conformation of cyclo (Ala-Ala) and cyclo (Ala-Gly) gives predicted spectra comparable to experiment.
CONCLUSIONS:
The same model gives theoretical absorption spectra consistent with available experimental data.

Cyclo(Pro-Ala) Dilution Calculator

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Cyclo(Pro-Ala) Molarity Calculator

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Preparing Stock Solutions of Cyclo(Pro-Ala)

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 5.9453 mL 29.7265 mL 59.453 mL 118.9061 mL 148.6326 mL
5 mM 1.1891 mL 5.9453 mL 11.8906 mL 23.7812 mL 29.7265 mL
10 mM 0.5945 mL 2.9727 mL 5.9453 mL 11.8906 mL 14.8633 mL
50 mM 0.1189 mL 0.5945 mL 1.1891 mL 2.3781 mL 2.9727 mL
100 mM 0.0595 mL 0.2973 mL 0.5945 mL 1.1891 mL 1.4863 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Cyclo(Pro-Ala)

Theoretical pi-pi* absorption and circular dichroic spectra of cyclic dipeptides.[Pubmed:4086166]

Int J Pept Protein Res. 1985 Nov;26(5):518-27.

The dipole interaction model, treated by the partially dispersive normal mode method, is used to calculate circular dichroic spectra of cyclo(Gly-Gly), cyclo (Ala-Gly), cyclo(Ala-Ala), cyclo(Pro-Gly), Cyclo(Pro-Ala), cyclo(Pro-Val), cyclo (Pro-D-Val), and cyclo(Pro-Pro) in the amide pi-pi* absorption band near 190 nm. Assuming a standard backbone geometry, spectra which are in fair to good agreement with experiment are obtained for these molecules. The spectra are predicted to be sensitive to conformations of Pro and Val side chains. The effects of dipeptide ring folding on calculated CD spectra are mostly consistent with those found by other workers, except that it is found that a planar ring conformation of cyclo (Ala-Ala) and cyclo (Ala-Gly) gives predicted spectra comparable to experiment. The same model gives theoretical absorption spectra consistent with available experimental data.

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