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  • Title: [Catalytic dyad Ser-Lys at the active site of Escherichia coli ATP-dependent Lon-proteinase].
    Author: Rotanova TV, Mel'nikov EE, Tsirul'nikov KB.
    Journal: Bioorg Khim; 2003; 29(1):97-9. PubMed ID: 12658998.
    Abstract:
    Two subfamilies of Lon proteases that differ in the structure of the fragments containing the catalytically active Ser residue were revealed by the comparison of more than sixty sequences of Lon proteases from various sources. The absence of the classic catalytic triad in the active site of Lon proteases was confirmed. The catalytic site of Lon proteases was shown to be represented by the Ser-Lys dyad.
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