Isopropylmalate dehydrogenase: Difference between revisions

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Michal Harel (talk | contribs)
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<StructureSection load='3vl2' size='350' side='right' caption='Human α-defensin 1 (PDB entry [[2pm4]])' scene=''>
<StructureSection load='3vl2' size='350' side='right' caption='Human α-defensin 1 (PDB entry [[2pm4]])' scene=''>
== Function ==
== Function ==
'''Isopropylmalate dehydrogenase''' (IMDH) catalyzes the oxidative decarboxylation of 3-isopropylmalate (3IPM) to 2-oxo-4-methylvalerate.  This reaction is a step in the biosynthesis of leucine in bacteria and fungi.  IMDH uses [[NAD]] as a cofactor.  IMDH is a bifunctional enzyme that catalyzes dehydrogenation and decarboxylation in the presence of NAD and a divalent cation<ref>PMID:8528769</ref>.
'''3-Isopropylmalate dehydrogenase''' (IMDH) catalyzes the oxidative decarboxylation of 3-isopropylmalate (3IPM) to 2-oxo-4-methylvalerate.  This reaction is a step in the biosynthesis of leucine in bacteria and fungi.  IMDH uses [[NAD]] as a cofactor.  IMDH is a bifunctional enzyme that catalyzes dehydrogenation and decarboxylation in the presence of NAD and a divalent cation<ref>PMID:17979826</ref>.


== Structural highlights ==
== Structural highlights ==
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**[[3vmk]] - IMDH + 3IPM + Mg – ''Shewanella bethica''
**[[3vmk]] - IMDH + 3IPM + Mg – ''Shewanella bethica''


*2-isopropylmalate dehydrogenase
**[[3fig]] - MtIMDH (mutant) + Zn
}}
}}
== References ==
== References ==
<references/>
<references/>
[[Category:Topic Page]]
[[Category:Topic Page]]

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky, Joel L. Sussman