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  • Scientists at Institute of Biotechnology target enzyme research

    Drug Week
    September 11, 2009


    ENZYME RESEARCH;
    Scientists at Institute of Biotechnology target enzyme research




    Data detailed in 'The novel inhibitors of serine proteases' have been
    presented. According to a study from Yerevan, Armenia, "Thirty
    optically active nonprotein alpha-amino acids and peptides based
    thereon have been screened for their ability to interact with bovine
    trypsin and proteinase K from Tritirachium album Limber, which belong
    to the group of serine proteases. Both structure-based drug design
    approach and determination of enzyme activity have been used to
    identify low molecular weight inhibitors of trypsin and proteinase K."

    "Compounds have been selected that according to the docking analysis
    were able to interact with trypsin and proteinase K. Following the
    docking analysis measurement of enzymes activity
    (2R,3S)-beta-hydroxyleucine and (2S,3R)-beta-hydroxyleucine inhibited
    both enzymes activity, whereas (S)-alpha-methyl-beta-phenylalanine,
    ®-alpha- methyl-beta-phenylalanine, (S)-allylglycine, ®-allylglycine,
    (S)-alpha-allylalanine, ®-alpha-allylalanine and allo-O-ethylthreonine
    inhibited only proteinase K; and
    N-formyl-(S)-methionyl-(2S,3R)-hydroxyleucine,
    N-formyl-(S)-methionyl-(2R,3S)-hydroxyleucine,
    N- formyl-(S)-methionyl-(S)-allylglycine and
    N-formyl-(S)-methionyl-®-allylglycine inhibited trypsin," wrote
    N. Hovhannisyan and colleagues, Institute of Biotechnology (see also
    Enzyme Research).

    The researchers concluded: "It has been shown that inhibition of
    trypsin by (2R,3S)-beta-hydroxyleucine and
    N-formyl-(S)-methionyl-(2R,3S)-hydroxyleucine is of a competitive
    mode."

    Hovhannisyan and colleagues published their study in Amino Acids (The
    novel inhibitors of serine proteases. Amino Acids, 2009;37(3):531-6).

    For more information, contact N. Hovhannisyan, Institute of
    Biotechnology, Yerevan, Armenia.

    Publisher contact information for the journal Amino Acids is:
    Springer, 233 Spring Street, New York, NY 10013, USA.
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