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Formycin A

Cat. No. M30463
Formycin A Structure
Synonym:

NSC 102811

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Biological Activity

Formycin A (NSC 102811), a purine nucleoside antibiotic, is a potent human immunodeficiency virus type 1 (HIV-1) inhibitor with an EC50 of 10 μM. Formycin A shows antitumor and antiviral activities.

Chemical Information
Molecular Weight 267.24
Formula C10H13N5O4
CAS Number 6742-12-7
Form Solid
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Meng Zhang, et al. Appl Environ Microbiol. Comparative Investigation into Formycin A and Pyrazofurin A Biosynthesis Reveals Branch Pathways for the Construction of C-Nucleoside Scaffolds

[2] Shao-An Wang, et al. J Am Chem Soc. Identification of the Formycin A Biosynthetic Gene Cluster from Streptomyces kaniharaensis Illustrates the Interplay between Biological Pyrazolopyrimidine Formation and de Novo Purine Biosynthesis

[3] Małgorzata Prokopowicz, et al. Biochimie. A synergistic effect of phosphate, pH and Phe159 substitution on the formycin A association to the E. coli purine nucleoside phosphorylase

[4] B Kierdaszuk, et al. Biochim Biophys Acta. Formycin A and its N-methyl analogues, specific inhibitors of E. coli purine nucleoside phosphorylase (PNP): induced tautomeric shifts on binding to enzyme, and enzyme-->ligand fluorescence resonance energy transfer

[5] D Ochi, et al. J Antibiot (Tokyo). Biosynthesis of formycin. Formation of formycin from formycin B

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Keywords: Formycin A, NSC 102811 supplier, HIV Protease, inhibitors, activators


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