Enzymology

Antioxidants and their protective role against free radicals

Antioxidants and their protective role against free radicals

Survey of literature indicates that each of the 60 trillion cells in the human body takes 10,000 oxidative hits/sec due to the production of harmful molecules called free radicals. Free radicals are chemically active atoms (groups of atoms) or molecular fragments that have a charge due to an excess or a deficient number of electrons. Free radicals found in living …

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What is RNase? What is the importance of living things?

ribonuclease enzyme

RNase means Ribonuclease. It is RNA digesting enzyme. It is another noteworthy example of a protein with a tertiary structure.  Let us see the basic details now. The molecular weight of RNase is 13,700. Christian Anfinsen (1950) and William stein (1958) have elucidated the complete structure of this pancreatic protein. RNase consists of 124 amino acids in one polypeptide chain …

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