Definition of hypoxanthine in English:



mass nounBiochemistry
  • A compound which is an intermediate in the metabolism of purines in animals and occurs in plant tissues.

    Alternative name: 6-hydroxypurine; chemical formula: C₅H₄N₄O

    • ‘Synchronised cultures were exposed to superoxide anion generating system hypoxanthine and xanthine oxidase.’
    • ‘The deamination product of adenine is hypoxanthine, and hypoxanthine base pairs with cytosine rather than thymine.’
    • ‘Nitrosative deamination of cytosine and adenine results in uracil and hypoxanthine, respectively.’
    • ‘Adenine is converted to hypoxanthine at 2-3% of the rate of cytosine deamination.’
    • ‘Like arginine, hypoxanthine is a limiting N source.’