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    HELP!! how do you work out from structures if it is an L/D amino acid ie tryptophan or Alanine ? Thanks x
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    Sorry you've not had any responses about this.

    Why not try posting in a specific subject forum- you might have more luck there.

    Here's a link to our subject forum which should help get you more responses.


    Sorry, what exactly are you trying to figure out - whether the amino acid is right- or left-handed?

    (Original post by anosmianAcrimony)
    Sorry, what exactly are you trying to figure out - whether the amino acid is right- or left-handed?
    Sounds like it (Levorotatory/Dextrotatory).

    To find the L/D, you have to examine the chiral carbon (bonded to 4 different groups) of the amino acid.

    All animal/human amino acids have the L-configuration
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