001package org.biopax.paxtools.model.level3; 002 003 004/** 005 * The apparent equilibrium constant, K', and associated values. Concentrations in the equilibrium constant equation 006 * refer to the total concentrations of all forms of particular biochemical reactants. For example, 007 * in the equilibrium constant equation for the biochemical reaction in which ATP is hydrolyzed to ADP and inorganic 008 * phosphate: 009 * 010 * K' = [ADP][P<sub>i</sub>]/[ATP]. 011 * The concentration of ATP refers to the total concentration of all of the following species: 012 * 013 * [ATP] = [ATP<sup>4-</sup>] + [HATP<sup>3-</sup>] + [H<sub>2</sub>ATP<sup>2-</sup>] + [MgATP<sup>2-</sup>] + 014 * [MgHATP<sup>-</sup>] + [Mg<sub>2</sub>ATP]. 015 * 016 * The apparent equilibrium constant is formally dimensionless, and can be kept so by inclusion of as many of the 017 * terms (1 mol/dm3) in the numerator or denominator as necessary. It is a function of temperature (T), 018 * ionic strength (I), pH, and pMg (pMg = -log10[Mg2+]). Therefore, these quantities must be specified to be precise, 019 * and values for KEQ for biochemical reactions may be represented as 5-tuples of the form (K' T I pH pMg). This 020 * property may have multiple values, representing different measurements for K' obtained under the different 021 * experimental conditions listed in the 5-tuple. 022 */ 023public interface KPrime extends ChemicalConstant 024{ 025 026 /** 027 * The apparent equilibrium constant K'. Concentrations in the equilibrium constant equation refer to the total 028 * concentrations of all forms of particular biochemical reactants. For example, 029 * in the equilibrium constant equation for the biochemical reaction in which ATP is hydrolyzed to ADP and 030 * inorganic phosphate: 031 * 032 * K' = [ADP][P<sub>i</sub>]/[ATP], 033 * 034 * The concentration of ATP refers to the total concentration of all of the following species: 035 * 036 * [ATP] = [ATP<sup>4-</sup>] + [HATP<sup>3-</sup>] + [H<sub>2</sub>ATP<sup>2-</sup>] + [MgATP<sup>2-</sup>] + 037 * [MgHATP<sup>-</sup>] + [Mg<sub>2</sub>ATP]. 038 * 039 * The apparent equilibrium constant is formally dimensionless, and can be kept so by inclusion of as many of 040 * the terms (1 mol/dm<sup>3</sup>) in the numerator or denominator as necessary. It is a function of 041 * temperature (T), ionic strength (I), pH, and pMg (pMg = -log<sub>10</sub>[Mg<sup>2+</sup>]). 042 * @return The apparent equilibrium constant K' 043 */ 044 float getKPrime(); 045 046 /** 047 * The apparent equilibrium constant K'. Concentrations in the equilibrium constant equation refer to the total 048 * concentrations of all forms of particular biochemical reactants. For example, 049 * in the equilibrium constant equation for the biochemical reaction in which ATP is hydrolyzed to ADP and 050 * inorganic phosphate: 051 * 052 * K' = [ADP][P<sub>i</sub>]/[ATP], 053 * 054 * The concentration of ATP refers to the total concentration of all of the following species: 055 * 056 * [ATP] = [ATP<sup>4-</sup>] + [HATP<sup>3-</sup>] + [H<sub>2</sub>ATP<sup>2-</sup>] + [MgATP<sup>2-</sup>] + 057 * [MgHATP<sup>-</sup>] + [Mg<sub>2</sub>ATP]. 058 * 059 * The apparent equilibrium constant is formally dimensionless, and can be kept so by inclusion of as many of 060 * the terms (1 mol/dm<sup>3</sup>) in the numerator or denominator as necessary. It is a function of 061 * temperature (T), ionic strength (I), pH, and pMg (pMg = -log<sub>10</sub>[Mg<sup>2+</sup>]). 062 * (Definition from EcoCyc) 063 * @param kPrime The apparent equilibrium constant K' 064 */ 065 void setKPrime(float kPrime); 066 067}