Abstract
Pterin deaminase is an amidohydrolase enzyme which hydrolyses pteridines to produce lumazine derivatives and ammonia. Even though the enzyme was shown as early as 1959 for its anticancer efficacy there was a long gap in the communique after that which was in 2013. In our study we have chosen Mucor indicus MTCC 3513 which was a promising strain for production of different industrial products.The pterin deaminase enzyme was harvested and extracellular from M. indicus. The extracellular sample was partially purified by using ethanol precipitation and ion exchange column (Hi-Trap QFF) in Fast Protein Liquid Chromatography. The molecular weight of the purified pterin deaminase enzyme was apparently determined by SDS-PAGE. The purified enzyme was further biochemically characterized. Molecular docking studies with the predicted sequence showed higher binding affinity towards folic acid interaction. The structure of this protein may open the windows for new drug targets for cancer therapy.
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