Kd.app.calc: Function that calculates the mM apparent disassociation...

Description Usage Arguments Details Value

View source: R/Thermodynamic_equations.R

Description

Corrects for ionic strength using the using Specific Interaction Theory (SIT)(1) and corrects for pH using pKa's to calculate populations of metal ion binding competent protonation states(2).

Usage

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Kd.app.calc(
  metabolite = "Glutathione",
  pH = 7.5,
  I = 0.165,
  M.charge = 2,
  A = 0.524,
 
    constants.path = "Binding_constant_concentration_data/210525_Metaboites_binding_Mg_thermodynamics.csv"
)

Arguments

metabolite

The metabolite you want to model an apparant Kd for

pH

The pH you want to model an apparant Kd for

I

The ionic strength you want to model a Kd for

M.charge

The charge of the metal ion

A

Constant for SIT at 25 degC

constants.path

Path to the file containing critical stability constants for metal ion and proton binding

Details

1 Scatchard, George. Concentrated Solutions of Strong Electrolytes. Chem. Rev. 1936, 19 (3), 309–327. https://doi.org/10.1021/cr60064a008. 2 Mattocks, J. A.; Tirsch, J. L.; Cotruvo, J. A. Chapter Two - Determination of Affinities of Lanthanide-Binding Proteins Using Chelator-Buffered Titrations. In Methods in Enzymology; Cotruvo, J. A., Ed.; Rare-Earth Element Biochemistry: Characterization and Applications of Lanthanide-Binding Biomolecules; Academic Press, 2021; Vol. 651, pp 23–61. https://doi.org/10.1016/bs.mie.2021.01.044.

Value

An apparant Kd in mM (M/1000)


JPSieg/MetaboMgITC documentation built on Dec. 18, 2021, 12:27 a.m.