Single-molecule Enzymology
نویسندگان
چکیده
منابع مشابه
Single-molecule enzymology.
Movies of Molecular Motions and Chemical Reactions of Single Molecules Viewing a movie of an enzyme molecule made by molecular dynamics simulation, we see incredible details of molecular motions, be they changes of the conformation or actions during a chemical reaction. Molecular dynamics simulations have advanced our understanding of the dynamics of macromolecules in ways that would not be ded...
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Biological nanopores are a class of membrane proteins that open nanoscale water conduits in biological membranes. When they are reconstituted in artificial membranes and a bias voltage is applied across the membrane, the ionic current passing through individual nanopores can be used to monitor chemical reactions, to recognize individual molecules and, of most interest, to sequence DNA. In addit...
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Recent advances in single-molecule enzymology are reviewed. The theoretical underpinning of sincle-molecule enzymatic behaviors is discussed and exemplified by experiements and statistical analyses. In particular, the manifestations of the Michaelis-Menten mechanism, the kinetic scheme with sequential intermediates, and dynamic disorder in single molecule data are presented. A survey of current...
متن کاملSingle-molecule enzymology à la Michaelis-Menten.
Over the past 100 years, deterministic rate equations have been successfully used to infer enzyme-catalysed reaction mechanisms and to estimate rate constants from reaction kinetics experiments conducted in vitro. In recent years, sophisticated experimental techniques have been developed that begin to allow the measurement of enzyme-catalysed and other biopolymer-mediated reactions inside singl...
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The advent of room-temperature single-molecule imaging and spectroscopy in the early 1990s made it possible to follow biochemical reactions and conformational dynamics of an individual enzyme molecule in real time, yielding new information about the working of enzymes in vitro. This eventually led to the recent success of probing single-molecule biochemical reactions in a living cell with high ...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1999
ISSN: 0021-9258
DOI: 10.1074/jbc.274.23.15967