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PubMed · 7840617

The rectangular hyperbolic binding equation for multivalent ligands.

Abstract

An improved procedure for the characterization of interactions involving multivalent ligands which eliminates a previous requirement that interaction parameters for independent and equivalent binding be evaluated from a general counterpart of the Scatchard analysis is described. Binding data for the interaction of aldolase with muscle myofibrils are then used to illustrate application of the procedure, which allows the stoichiometry and intrinsic binding constant to be evaluated by standard nonlinear regression analysis in terms of a rectangular hyperbolic relationship.

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BibTeXRIS

S J Harris, C M Jackson, D J Winzor. 1995-01-10. The rectangular hyperbolic binding equation for multivalent ligands.. https://doi.org/10.1006/abbi.1995.1004

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[Aldolase].

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We describe here different regulation of the AldP gene, a nuclear gene encoding chloroplast aldolase, in different tissues and growth ages of rice seedlings. Expression of the AldP gene is mesophyll cell-specific, and increases from the basal to the upper region in each leaf. The gene expression is repressed in the dark-grown leaf blade, but is induced by a short-term-exposure to light, to a level higher than that seen in the normal leaf blade. However, the light-inducibility differs among the tissues, and shows different patterns among leaf positions; i.e., the extent of light-induction is higher in the third leaf blade as compared with the earlier developed second leaf blade. Such positional differences in the regulation are also seen in the leaf sheath. These responses are not accompanied by changes of the cell type specificity in the expression.

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