1pt7: Difference between revisions

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New page: left|200px<br /><applet load="1pt7" size="450" color="white" frame="true" align="right" spinBox="true" caption="1pt7, resolution 1.80Å" /> '''Crystal structure of...
 
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'''Crystal structure of the apo-form of the yfdW gene product of E. coli'''<br />


==Overview==
==Crystal structure of the apo-form of the yfdW gene product of E. coli==
Because of its toxicity, oxalate accumulation from amino acid catabolism, leads to acute disorders in mammals. Gut microflora are therefore pivotal, in maintaining a safe intestinal oxalate balance through oxalate, degradation. Oxalate catabolism was first identified in Oxalobacter, formigenes, a specialized, strictly anaerobic bacterium. Oxalate, degradation was found to be performed successively by two enzymes, a, formyl-CoA transferase (frc) and an oxalate decarboxylase (oxc). These two, genes are present in several bacterial genomes including that of, Escherichia coli. The frc ortholog in E. coli is yfdW, with which it, shares 61% sequence identity. We have expressed the YfdW open reading, frame product and solved its crystal structure in the apo-form and in, complex with acetyl-CoA and with a mixture of acetyl-CoA and oxalate. YfdW, exhibits a novel and spectacular fold in which two monomers assemble as, interlaced rings, defining the CoA binding site at their interface. From, the structure of the complex with acetyl-CoA and oxalate, we propose a, putative formyl/oxalate transfer mechanism involving the conserved, catalytic residue Asp169. The similarity of yfdW with bacterial orthologs, (approximately 60% identity) and paralogs (approximately 20-30% identity), suggests that this new fold and parts of the CoA transfer mechanism are, likely to be the hallmarks of a wide family of CoA transferases.
<StructureSection load='1pt7' size='340' side='right'caption='[[1pt7]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
 
== Structural highlights ==
==About this Structure==
<table><tr><td colspan='2'>[[1pt7]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [https://en.wikipedia.org/wiki/Shigella_flexneri Shigella flexneri]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PT7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1PT7 FirstGlance]. <br>
1PT7 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli,_and_shigella_flexneri Escherichia coli, and shigella flexneri] with PO4 and GOL as [http://en.wikipedia.org/wiki/ligands ligands]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1PT7 OCA].  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
 
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
==Reference==
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1pt7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pt7 OCA], [https://pdbe.org/1pt7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1pt7 RCSB], [https://www.ebi.ac.uk/pdbsum/1pt7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1pt7 ProSAT]</span></td></tr>
The crystal structure of the Escherichia coli YfdW gene product reveals a new fold of two interlaced rings identifying a wide family of CoA transferases., Gruez A, Roig-Zamboni V, Valencia C, Campanacci V, Cambillau C, J Biol Chem. 2003 Sep 5;278(36):34582-6. Epub 2003 Jul 3. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=12844490 12844490]
</table>
[[Category: Escherichia coli, and shigella flexneri]]
== Function ==
[[Category: Single protein]]
[https://www.uniprot.org/uniprot/FCTA_ECOLI FCTA_ECOLI] Catalyzes the transfer of the CoA moiety from formyl-CoA to oxalate.
[[Category: Cambillau, C.]]
== Evolutionary Conservation ==
[[Category: Campanacci, V.]]
[[Image:Consurf_key_small.gif|200px|right]]
[[Category: Gruez, A.]]
Check<jmol>
[[Category: Roig-Zamboni, V.]]
  <jmolCheckbox>
[[Category: Valencia, C.]]
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/pt/1pt7_consurf.spt"</scriptWhenChecked>
[[Category: GOL]]
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
[[Category: PO4]]
    <text>to colour the structure by Evolutionary Conservation</text>
[[Category: acetyl-coa]]
  </jmolCheckbox>
[[Category: coa transferase]]
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1pt7 ConSurf].
[[Category: e. coli]]
<div style="clear:both"></div>
[[Category: oxalate]]
__TOC__
[[Category: structural genomics]]
</StructureSection>
 
[[Category: Escherichia coli]]
''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Wed Nov 21 00:06:21 2007''
[[Category: Large Structures]]
[[Category: Shigella flexneri]]
[[Category: Cambillau C]]
[[Category: Campanacci V]]
[[Category: Gruez A]]
[[Category: Roig-Zamboni V]]
[[Category: Valencia C]]

Latest revision as of 11:10, 14 February 2024

Crystal structure of the apo-form of the yfdW gene product of E. coliCrystal structure of the apo-form of the yfdW gene product of E. coli

Structural highlights

1pt7 is a 2 chain structure with sequence from Escherichia coli and Shigella flexneri. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.8Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

FCTA_ECOLI Catalyzes the transfer of the CoA moiety from formyl-CoA to oxalate.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

1pt7, resolution 1.80Å

Drag the structure with the mouse to rotate

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

OCA
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