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- Hanes–Woolf_plot abstract "In biochemistry, a Hanes–Woolf plot is a graphical representation of enzyme kinetics in which the ratio of the initial substrate concentration [S] to the reaction velocity v is plotted against [S]. It is based on the rearrangement of the Michaelis–Menten equation shown below:where Km is the Michaelis–Menten constant and Vmax is the maximum reaction velocity.J B S Haldane stated that this method was due to Barnet Woolf. It was also used by Charles Samuel Hanes, even though he does neither mention nor cite Woolf. Hanes pointed out that the use of linear regression to determine kinetic parameters from this type of linear transformation is flawed, because it generates the best fit between observed and calculated values of 1/v, rather than v.The equation can be derived from the Michaelis–Menten equation as follows:invert and multiply by [S]:Rearrange:As is clear from the equation, perfect data will yield a straight line of slope 1/Vmax, a y-intercept of Km/Vmax and an x-intercept of −Km.Like other techniques that linearize the Michaelis–Menten equation, the Hanes–Woolf plot was used historically for rapid determination of the important kinetic parameters Km, Vmax and Vmax/Km, but it has been superseded by nonlinear regression methods that are significantly more accurate and no longer computationally inaccessible. It remains useful, however, as a means to present data graphically.One drawback of the Hanes–Woolf approach is that neither ordinate nor abscissa represent independent variables: both are dependent on substrate concentration. As a result, the typical measure of goodness of fit, the correlation coefficient R, is not applicable.".
- Hanes–Woolf_plot thumbnail Hanes-Woolf_plot.svg?width=300.
- Hanes–Woolf_plot wikiPageID "13117099".
- Hanes–Woolf_plot wikiPageRevisionID "594265143".
- Hanes–Woolf_plot subject Category:Enzyme_kinetics.
- Hanes–Woolf_plot subject Category:Plots_(graphics).
- Hanes–Woolf_plot comment "In biochemistry, a Hanes–Woolf plot is a graphical representation of enzyme kinetics in which the ratio of the initial substrate concentration [S] to the reaction velocity v is plotted against [S]. It is based on the rearrangement of the Michaelis–Menten equation shown below:where Km is the Michaelis–Menten constant and Vmax is the maximum reaction velocity.J B S Haldane stated that this method was due to Barnet Woolf.".
- Hanes–Woolf_plot label "Diagrama de Hanes".
- Hanes–Woolf_plot label "Hanes–Woolf plot".
- Hanes–Woolf_plot sameAs Hanes%E2%80%93Woolf_plot.
- Hanes–Woolf_plot sameAs Diagrama_de_Hanes.
- Hanes–Woolf_plot sameAs Q5647772.
- Hanes–Woolf_plot sameAs Q5647772.
- Hanes–Woolf_plot wasDerivedFrom Hanes–Woolf_plot?oldid=594265143.
- Hanes–Woolf_plot depiction Hanes-Woolf_plot.svg.
