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2v5k

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==CLASS II ALDOLASE HPCH - MAGNESIUM - OXAMATE COMPLEX==
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<StructureSection load='2v5k' size='340' side='right' caption='[[2v5k]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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==Class II aldolase HpcH - magnesium - oxamate complex==
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<StructureSection load='2v5k' size='340' side='right'caption='[[2v5k]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2v5k]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli_c Escherichia coli c]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2V5K OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2V5K FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2v5k]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_C Escherichia coli C]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2V5K OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2V5K FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=OXM:OXAMIC+ACID'>OXM</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.2&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2v5j|2v5j]]</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=OXM:OXAMIC+ACID'>OXM</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2v5k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2v5k OCA], [http://pdbe.org/2v5k PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2v5k RCSB], [http://www.ebi.ac.uk/pdbsum/2v5k PDBsum]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2v5k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2v5k OCA], [https://pdbe.org/2v5k PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2v5k RCSB], [https://www.ebi.ac.uk/pdbsum/2v5k PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2v5k ProSAT]</span></td></tr>
</table>
</table>
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== Function ==
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[https://www.uniprot.org/uniprot/HPCH_ECOLX HPCH_ECOLX] Catalyzes the reversible retro-aldol cleavage of 4-hydroxy-2-ketoheptane-1,7-dioate (HKHD) to pyruvate and succinate semialdehyde. Is also able to catalyze the aldol cleavage of 4-hydroxy-2-ketopentanoate and 4-hydroxy-2-ketohexanoate. Is not stereospecific since it can cleave both substrate enantiomers. Also exhibits significant oxaloacetate decarboxylase activity in vitro. In the reverse direction, is able to condense a range of aldehyde acceptors (from two to five carbons in length) with pyruvate or 2-oxobutanoate. Unlike with BphI from Burkholderia xenovorans, the aldol addition reaction lacks stereospecificity, producing a racemic mixture.<ref>PMID:15996099</ref> <ref>PMID:20364820</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/v5/2v5k_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/v5/2v5k_consurf.spt"</scriptWhenChecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
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==See Also==
==See Also==
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*[[Aldolase|Aldolase]]
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*[[Aldolase 3D structures|Aldolase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Escherichia coli c]]
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[[Category: Escherichia coli C]]
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[[Category: Bugg, T D.H]]
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[[Category: Large Structures]]
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[[Category: Fulop, V]]
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[[Category: Bugg TDH]]
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[[Category: Rea, D]]
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[[Category: Fulop V]]
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[[Category: Roper, D I]]
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[[Category: Rea D]]
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[[Category: Aromatic degradation]]
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[[Category: Roper DI]]
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[[Category: Aromatic hydrocarbons catabolismhomoprotocatechuate]]
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[[Category: Class ii aldolase]]
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[[Category: Homoprotocatechuate]]
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[[Category: Lyase]]
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Current revision

Class II aldolase HpcH - magnesium - oxamate complex

PDB ID 2v5k

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