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[[Image:2gas.png|left|200px]]
==Crystal Structure of Isoflavone Reductase==
<StructureSection load='2gas' size='340' side='right' caption='[[2gas]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2gas]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Medicago_sativa Medicago sativa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GAS OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2GAS FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2gas FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2gas OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2gas RCSB], [http://www.ebi.ac.uk/pdbsum/2gas PDBsum]</span></td></tr>
<table>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ga/2gas_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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/chain_selection.php?pdb_ID=2ata ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Isoflavonoids play important roles in plant defense and exhibit a range of mammalian health-promoting activities. Isoflavone reductase (IFR) specifically recognizes isoflavones and catalyzes a stereospecific NADPH-dependent reduction to (3R)-isoflavanone. The crystal structure of Medicago sativa IFR with deletion of residues 39-47 has been determined at 1.6A resolution. Structural analysis, molecular modeling and docking, and comparison with the structures of other NADPH-dependent enzymes, defined the putative binding sites for co-factor and substrate and potential key residues for enzyme activity and substrate specificity. Further mutagenesis has confirmed the role of Lys144 as a catalytic residue. This study provides a structural basis for understanding the enzymatic mechanism and substrate specificity of IFRs as well as the functions of IFR-like proteins.


{{STRUCTURE_2gas|  PDB=2gas  |  SCENE=  }}
Crystal structure of isoflavone reductase from alfalfa (Medicago sativa L.).,Wang X, He X, Lin J, Shao H, Chang Z, Dixon RA J Mol Biol. 2006 May 19;358(5):1341-52. Epub 2006 Mar 29. PMID:16600295<ref>PMID:16600295</ref>


===Crystal Structure of Isoflavone Reductase===
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
</div>
{{ABSTRACT_PUBMED_16600295}}
== References ==
 
<references/>
==About this Structure==
__TOC__
[[2gas]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Medicago_sativa Medicago sativa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GAS OCA].
</StructureSection>
 
==Reference==
<ref group="xtra">PMID:016600295</ref><references group="xtra"/>
[[Category: Medicago sativa]]
[[Category: Medicago sativa]]
[[Category: Chang, Z.]]
[[Category: Chang, Z.]]
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