Mandelate racemase: Difference between revisions

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<StructureSection load='1mdr' size='400' side='right' caption='Structure of mandelate racemase complex with reaction intermediate atrolactate and Mg+2 ion (green)  (PDB entry [[1mdr]])' scene=''>
<StructureSection load='1mdr' size='350' side='right' caption='Structure of mandelate racemase complex with reaction intermediate phenyl-lactate and Mg+2 ion (green)  (PDB entry [[1mdr]])' scene='51/516478/Cv/1'>
== Function ==
== Function ==
'''Mandelate rasemase''' (MAR) catalyzes the interconversion of enantiomers of mandelate (S to R).  MAR is Mg-dependent.  MAR can racemize other alpha-hydroxy carbonyl compounds.  MAR is involved in aromatic acids catabolism<ref>PMID:1892833</ref>.  
'''Mandelate racemase''' (MAR) catalyzes the interconversion of enantiomers of mandelate [[R/S nomenclature|(S to R)]].  MAR is Mg-dependent.  MAR can racemize other alpha-hydroxy carbonyl compounds.  MAR is involved in aromatic acids catabolism<ref>PMID:1892833</ref>.  


== Structural highlights ==
== Structural highlights ==
The active site of MAR binds the reaction intermediate<ref>PMID:8292591</ref>.
The biological assembly of mandelate racemase from ''Pseudomonas putida'' is <scene name='51/516478/Cv/7'>homooctamer</scene>. The <scene name='51/516478/Cv/8'>active site of MAR binds the reaction intermediate</scene><ref>PMID:8292591</ref>. Water molecule are shown as red sphere.
</StructureSection>
</StructureSection>


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*Mandelate racemase binary complex
*Mandelate racemase binary complex


**[[1mns]], [[1mdr]] – PpMAR + alpha phenyl glycidate <br />
**[[1mns]], [[1mdr]] – PpMAR + α-phenyl lactate <br />
**[[3ops]] – GeMAR + lactate<br />
**[[1mra]], [[1dtn]] – PpMAR (mutant) + atrolactate<br />
**[[1mra]], [[1dtn]] – PpMAR (mutant) + atrolactate<br />
**[[1mdl]] - PpMAR (mutant) + mandelate<br />
**[[1mdl]] - PpMAR (mutant) + mandelate<br />
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**[[4m6u]] - PpMAR + tartronic acid<br />
**[[4m6u]] - PpMAR + tartronic acid<br />
**[[4fp1]] – PpMAR + inhibitor<br />
**[[4fp1]] – PpMAR + inhibitor<br />
**[[3tte]] - BrMAR + mandelate<br />
**[[4x2p]] – PpMAR + 3-hydroxypyruvate<br />
**[[6vim]], [[7mqx]] – PpMAR + boronic acid derivative<br />
**[[3uxk]], [[3uxl]] – PpMAR + intermediate analog<br />
**[[3uxk]], [[3uxl]] – PpMAR + intermediate analog<br />
**[[3sbf]] – VbMAR (mutant) + arabinonate <br />
**[[3sbf]] – VbMAR (mutant) + arabinonate <br />
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**[[4gfi]] – AtMAR + dipeptide epimerase<br />
**[[4gfi]] – AtMAR + dipeptide epimerase<br />
**[[4h19]] – AtMAR + ribonohydroxamate<br />
**[[4h19]] – AtMAR + ribonohydroxamate<br />
**[[3ops]] – GeMAR + lactate<br />
**[[3tte]] - BrMAR + mandelate<br />
}}
}}
== References ==
== References ==

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

Michal Harel, Alexander Berchansky, Karsten Theis