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	<title>Quantum Discovery Labs &#187; IC50</title>
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	<link>http://q-pharm.com</link>
	<description>The drug discovery company</description>
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		<title>Free energy perturbation theory for accurate IC50 calculations</title>
		<link>http://q-pharm.com/2009/06/free-energy-perturbation-theory-for-accurate-ic50-calculations/</link>
		<comments>http://q-pharm.com/2009/06/free-energy-perturbation-theory-for-accurate-ic50-calculations/#comments</comments>
		<pubDate>Sat, 27 Jun 2009 08:28:08 +0000</pubDate>
		<dc:creator>Peter Fedichev, Quantum CTO</dc:creator>
				<category><![CDATA[IC50]]></category>
		<category><![CDATA[Quantum Software]]></category>
		<category><![CDATA[solvation energy]]></category>
		<category><![CDATA[video]]></category>

		<guid isPermaLink="false">http://q-pharm.com/?p=78</guid>
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Free Energy perturbation molecular dynamics demonstration. The calculation lets the molecule escape from the binding site and give the free energy difference, directly related to the binding affinity


Related posts:QUANTUM free [...]


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<li><a href='http://q-pharm.com/2007/09/quantum-and-albumin-binding-calculations-the-role-of-protein-flexibility/' rel='bookmark' title='QUANTUM and HSA binding calculations: the role of protein flexibility'>QUANTUM and HSA binding calculations: the role of protein flexibility</a></li>
<li><a href='http://q-pharm.com/2009/01/self-consistent-solvation-energy-contribution-calculation-for-protein-ligand-complexes/' rel='bookmark' title='Self-consistent solvation energy contribution calculation for protein-ligand complexes'>Self-consistent solvation energy contribution calculation for protein-ligand complexes</a></li>
<li><a href='http://q-pharm.com/2008/09/whats-an-ultimate-value-of-reversible-drug-binding-constant/' rel='bookmark' title='What&#8217;s an ultimate value of reversible drug binding constant?'>What&#8217;s an ultimate value of reversible drug binding constant?</a></li>
<li><a href='http://q-pharm.com/2009/01/solvation-energy-of-a-large-atom-cluster-continuous-solvation-energy-test-ii/' rel='bookmark' title='Solvation energy of a large atom cluster: continuous solvation energy test &#8211; II'>Solvation energy of a large atom cluster: continuous solvation energy test &#8211; II</a></li>
</ol>

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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Solvation energy of a large atom cluster: continuous solvation energy test &#8211; II</title>
		<link>http://q-pharm.com/2009/01/solvation-energy-of-a-large-atom-cluster-continuous-solvation-energy-test-ii/</link>
		<comments>http://q-pharm.com/2009/01/solvation-energy-of-a-large-atom-cluster-continuous-solvation-energy-test-ii/#comments</comments>
		<pubDate>Fri, 23 Jan 2009 20:16:00 +0000</pubDate>
		<dc:creator>fedichev</dc:creator>
				<category><![CDATA[Generalized Born]]></category>
		<category><![CDATA[IC50]]></category>
		<category><![CDATA[polar liquid]]></category>
		<category><![CDATA[solvation energy]]></category>

		<guid isPermaLink="false">http://q-pharm.com/?p=50</guid>
		<description><![CDATA[As it has been already stated here, binding energy calculation of a small molecule to a large protein poses a difficult problem: a method for molecular electrostatic energy calculation should [...]


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<li><a href='http://q-pharm.com/2010/05/surface-gb-models-the-ultimate-test/' rel='bookmark' title='Surface GB models: the ultimate test'>Surface GB models: the ultimate test</a></li>
<li><a href='http://q-pharm.com/2009/12/on-continuous-electrostatics-solvation-energies-calculation-method-for-biomolecules-simulations/' rel='bookmark' title='O(N) continuous electrostatics solvation energies calculation method for biomolecules simulations'>O(N) continuous electrostatics solvation energies calculation method for biomolecules simulations</a></li>
<li><a href='http://q-pharm.com/2008/12/how-much-water-is-in-a-generalized-born-protein/' rel='bookmark' title='How much water is in a Generalized Born protein?'>How much water is in a Generalized Born protein?</a></li>
</ol>

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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Self-consistent solvation energy contribution calculation for protein-ligand complexes</title>
		<link>http://q-pharm.com/2009/01/self-consistent-solvation-energy-contribution-calculation-for-protein-ligand-complexes/</link>
		<comments>http://q-pharm.com/2009/01/self-consistent-solvation-energy-contribution-calculation-for-protein-ligand-complexes/#comments</comments>
		<pubDate>Tue, 13 Jan 2009 11:20:00 +0000</pubDate>
		<dc:creator>fedichev</dc:creator>
				<category><![CDATA[false positive]]></category>
		<category><![CDATA[Generalized Born]]></category>
		<category><![CDATA[IC50]]></category>
		<category><![CDATA[solvation energy]]></category>

		<guid isPermaLink="false">http://q-pharm.com/?p=48</guid>
		<description><![CDATA[
Solvation energy is a major contribution to a ligand binding energy and is the interaction pretty much responsible for binding selectivity. Actual calculation of the solvation energy requires a method [...]


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<li><a href='http://q-pharm.com/2009/01/solvation-energy-of-a-diatomic-molecule-continuous-solvation-energy-test-i/' rel='bookmark' title='Solvation energy of a diatomic molecule: continuous solvation energy test &#8211; I'>Solvation energy of a diatomic molecule: continuous solvation energy test &#8211; I</a></li>
<li><a href='http://q-pharm.com/2009/11/protein-solvation-energies-and-gb-surface-charges-perfect-match/' rel='bookmark' title='Protein solvation energies and GB surface charges: perfect match!'>Protein solvation energies and GB surface charges: perfect match!</a></li>
<li><a href='http://q-pharm.com/2007/01/what-makes-a-correct-binding-energy-calculation/' rel='bookmark' title='What makes a correct binding energy calculation?'>What makes a correct binding energy calculation?</a></li>
</ol>

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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Making a good water model: Molecules do conformationally change when cross from a gas to water solution</title>
		<link>http://q-pharm.com/2008/10/making-a-good-water-model-molecules-do-conformationally-change-when-cross-from-a-gas-to-water-solution/</link>
		<comments>http://q-pharm.com/2008/10/making-a-good-water-model-molecules-do-conformationally-change-when-cross-from-a-gas-to-water-solution/#comments</comments>
		<pubDate>Wed, 08 Oct 2008 08:25:00 +0000</pubDate>
		<dc:creator>fedichev</dc:creator>
				<category><![CDATA[docking]]></category>
		<category><![CDATA[IC50]]></category>
		<category><![CDATA[water]]></category>

		<guid isPermaLink="false">http://q-pharm.com/?p=40</guid>
		<description><![CDATA[Solvation energy calculation is absolutely crucial for a successful binding free energy (IC50) determination. Quantum Pharmaceuticals develops aqueous solvation models and tests them against available experimental data to validate the [...]


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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What&#8217;s an ultimate value of reversible drug binding constant?</title>
		<link>http://q-pharm.com/2008/09/whats-an-ultimate-value-of-reversible-drug-binding-constant/</link>
		<comments>http://q-pharm.com/2008/09/whats-an-ultimate-value-of-reversible-drug-binding-constant/#comments</comments>
		<pubDate>Thu, 25 Sep 2008 10:12:00 +0000</pubDate>
		<dc:creator>fedichev</dc:creator>
				<category><![CDATA[IC50]]></category>
		<category><![CDATA[publications]]></category>

		<guid isPermaLink="false">http://q-pharm.com/?p=35</guid>
		<description><![CDATA[Traditional opinion is that a good drug must have a high value of the  absolute meaning of the binding energy with target protein in order  to prevent the [...]


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<li><a href='http://q-pharm.com/2009/06/free-energy-perturbation-theory-for-accurate-ic50-calculations/' rel='bookmark' title='Free energy perturbation theory for accurate IC50 calculations'>Free energy perturbation theory for accurate IC50 calculations</a></li>
</ol>

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