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==High resolution crystal structure of a MG2-dependent 5-aminolevulinic acid dehydratase==
==High resolution crystal structure of a MG2-dependent 5-aminolevulinic acid dehydratase==
<StructureSection load='1b4k' size='340' side='right' caption='[[1b4k]], [[Resolution|resolution]] 1.67&Aring;' scene=''>
<StructureSection load='1b4k' size='340' side='right'caption='[[1b4k]], [[Resolution|resolution]] 1.67&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1b4k]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseae Pseae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1B4K OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1B4K FirstGlance]. <br>
<table><tr><td colspan='2'>[[1b4k]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_aeruginosa_PAO1 Pseudomonas aeruginosa PAO1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1B4K OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1B4K FirstGlance]. <br>
</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=SHF:LAEVULINIC+ACID'>SHF</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.67&#8491;</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">HEMB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=208964 PSEAE])</td></tr>
<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=SHF:LAEVULINIC+ACID'>SHF</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Porphobilinogen_synthase Porphobilinogen synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.1.24 4.2.1.24] </span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1b4k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1b4k OCA], [https://pdbe.org/1b4k PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1b4k RCSB], [https://www.ebi.ac.uk/pdbsum/1b4k PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1b4k ProSAT]</span></td></tr>
<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=1b4k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1b4k OCA], [http://pdbe.org/1b4k PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1b4k RCSB], [http://www.ebi.ac.uk/pdbsum/1b4k PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1b4k ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/HEM2_PSEAE HEM2_PSEAE]] Catalyzes an early step in the biosynthesis of tetrapyrroles. Binds two molecules of 5-aminolevulinate per subunit, each at a distinct site, and catalyzes their condensation to form porphobilinogen (By similarity).  
[https://www.uniprot.org/uniprot/HEM2_PSEAE HEM2_PSEAE] Catalyzes an early step in the biosynthesis of tetrapyrroles. Binds two molecules of 5-aminolevulinate per subunit, each at a distinct site, and catalyzes their condensation to form porphobilinogen (By similarity).
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/b4/1b4k_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/b4/1b4k_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
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</div>
</div>
<div class="pdbe-citations 1b4k" style="background-color:#fffaf0;"></div>
<div class="pdbe-citations 1b4k" style="background-color:#fffaf0;"></div>
==See Also==
*[[Porphobilinogen synthase|Porphobilinogen synthase]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Porphobilinogen synthase]]
[[Category: Large Structures]]
[[Category: Pseae]]
[[Category: Pseudomonas aeruginosa PAO1]]
[[Category: Frankenberg, N]]
[[Category: Frankenberg N]]
[[Category: Heinz, D W]]
[[Category: Heinz DW]]
[[Category: Jahn, D]]
[[Category: Jahn D]]
[[Category: Heme biosynthesis]]
[[Category: Levulinic acid]]
[[Category: Lyase]]
[[Category: Magnesium]]

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