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Question

Is Glycine optically inactive?


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Solution

Glycine:

  • The only chiral amino acid with a single Hydrogen atom on its side chain is Glycine.
  • Due to the absence of asymmetric carbon atoms, Glycine is optically inactive and does not spin plane polarised light.
  • It is encoded by all codons that start with the letter GG, including GGU, GGC, GGA, and GGG, and is the most fundamental stable amino acid.
  • Glycine is essential for the formation of alpha-helices in secondary protein structure.
  • The multienzyme complex known as glycine synthase converts carbon dioxide, ammonia, and one carbon atom into glycine.


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