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{{STRUCTURE_4kkv|  PDB=4kkv  |  SCENE=  }}
===Crystal structure of candida glabrata FMN adenylyltransferase D181A Mutant===
{{ABSTRACT_PUBMED_23663086}}


==About this Structure==
==Crystal structure of candida glabrata FMN adenylyltransferase D181A Mutant==
[[4kkv]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Canga Canga]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4KKV OCA].  
<StructureSection load='4kkv' size='340' side='right'caption='[[4kkv]], [[Resolution|resolution]] 1.74&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[4kkv]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Candida_glabrata_CBS_138 Candida glabrata CBS 138]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4KKV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4KKV FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.74&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene></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=4kkv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4kkv OCA], [https://pdbe.org/4kkv PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4kkv RCSB], [https://www.ebi.ac.uk/pdbsum/4kkv PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4kkv ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/Q6FNA9_CANGA Q6FNA9_CANGA]
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
FMN adenylyltransferase (FMNAT) is an essential enzyme catalyzing the last step of a two-step pathway converting riboflavin (vitamin B2) to FAD, the ubiquitous flavocoenzyme. A structure-based mutagenesis and steady-state kinetic analysis of yeast FMNAT unexpectedly revealed that mutant D181A had a much faster turnover rate than the wild-type enzyme. Product inhibition analysis showed that wild-type FMNAT is strongly inhibited by FAD, whereas the D181A mutant has an attenuated product inhibition. These results provide a structural basis for the product inhibition of the enzyme and suggest that product release may be the rate-limiting step of the reaction.


==Reference==
The "Super Mutant" of Yeast FMN Adenylyltransferase Enhances the Enzyme Turnover Rate by Attenuating Product Inhibition.,Huerta C, Grishin NV, Zhang H Biochemistry. 2013 May 15. PMID:23663086<ref>PMID:23663086</ref>
<ref group="xtra">PMID:023663086</ref><references group="xtra"/><references/>
 
[[Category: Canga]]
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
[[Category: FAD synthetase]]
</div>
[[Category: Huerta, C.]]
<div class="pdbe-citations 4kkv" style="background-color:#fffaf0;"></div>
[[Category: Zhang, H.]]
== References ==
[[Category: Alpha/beta protein]]
<references/>
[[Category: Fad biosynthesis]]
__TOC__
[[Category: Rossmann-like fold]]
</StructureSection>
[[Category: Transferase]]
[[Category: Large Structures]]
[[Category: Huerta C]]
[[Category: Zhang H]]
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