Krebs cycle step 4: Difference between revisions

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<h2>Step four of the Krebs Cycle: &alpha;-Ketoglutarat Dehydrogenase</h2>
<h2>Step four of the Krebs Cycle: &alpha;-Ketoglutarate Dehydrogenase</h2>


[[Image:ketoglutarate.jpg]]
[[Image:ketoglutarate.jpg]]
<p>Figure: Formation of succinyl-CoA  
<p>Figure: Formation of succinyl-CoA  


<p>In the fourth reaction of the citric acid cycle, an oxidative decarboxylation takes place. This means that again a CO<sub>2</sub> molecule is relased (decarboxylation) and that an odixation takes place. In this case, the carbon atom that will form  CO<sub>2</sub> is oxidised. Furthermore,  an energy-rich coenzyme A molecule (green background) is added so that  
In the fourth reaction of the citric acid cycle, an oxidative decarboxylation takes place. This means that again a CO<sub>2</sub> molecule is relased (decarboxylation) and that an odixation takes place. In this case, the carbon atom that will form  CO<sub>2</sub> is oxidised. Furthermore,  an energy-rich coenzyme A molecule (green background) is added so that  
   succinyl-CoA is formed. At the end of this reaction, we get a  C4 body.</p>
   succinyl-CoA is formed. At the end of this reaction, we get a  C4 body.</p>
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