Abstract
Sub-zero temperatures can be used to trap intermediates in enzyme-catalysed reactions using suitable cryosolvents. The feasibility of obtaining such intermediates in the crystalline state for X-ray diffraction studies has been demonstrated with several proteases, using specific substrates and optimal pH.
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Fink, A., Ahmed, A. Formation of stable crystalline enzyme–substrate intermediates at sub-zero temperatures. Nature 263, 294–297 (1976). https://doi.org/10.1038/263294a0
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DOI: https://doi.org/10.1038/263294a0
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