1wnb

<table><tr><td colspan='2'>[[1wnb]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Ecoli Ecoli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WNB OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1WNB FirstGlance]. <br>

</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BTL:BETAINE+ALDEHYDE'>BTL</scene>, <scene name='pdbligand=NAI:1,4-DIHYDRONICOTINAMIDE+ADENINE+DINUCLEOTIDE'>NAI</scene></td></tr>

<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1wnd|1wnd]]</td></tr>

<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Betaine-aldehyde_dehydrogenase Betaine-aldehyde dehydrogenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.2.1.8 1.2.1.8] </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=1wnb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wnb OCA], [http://pdbe.org/1wnb PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1wnb RCSB], [http://www.ebi.ac.uk/pdbsum/1wnb PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1wnb ProSAT]</span></td></tr>

[[http://www.uniprot.org/uniprot/ABDH_ECOLI ABDH_ECOLI]] Catalyzes the oxidation of 1-pyrroline, which is spontaneously formed from 4-aminobutanal, leading to 4-aminobutanoate (GABA). Can also oxidize n-alkyl medium-chain aldehydes, but with a lower catalytic efficiency.<ref>PMID:16023116</ref> <ref>PMID:15381418</ref>

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== Publication Abstract from PubMed ==

In the context of a medium-scaled structural genomics program aiming at solving the structures of as many as possible bacterial unknown open reading frame products from Escherichia coli (Y prefix), we have solved the structure of YdcW at 2.1A resolution, using molecular replacement. According to its sequence identity, YdcW has been classified into the betaine aldehyde dehydrogenases family (EC 1.2.1.8), catalysing the oxidation of betaine aldehyde into glycine betaine. The structure of YdcW resembles that of other aldehyde dehydrogenases: it is tetrameric and binds a NADH molecule in each monomer. The NADH molecules, bound in the active site by soaking, are revealed to be in the "hydrolysis position". Activities experiments demonstrate that YdcW is more active on medium-chains aldehyde than on betaine aldehyde. However, soaking of betaine into YdcW crystals revealed its presence in one of the subunits, in two positions, a putative resting position and a hydride transfer ready position. Analysis of kinetics data and of the active site shape suggest an optimum binding of n-alkyl aldehydes up to seven to eight carbon atoms, possibly followed by a bulky cyclic or aromatic group.

Crystal structure and kinetics identify Escherichia coli YdcW gene product as a medium-chain aldehyde dehydrogenase.,Gruez A, Roig-Zamboni V, Grisel S, Salomoni A, Valencia C, Campanacci V, Tegoni M, Cambillau C J Mol Biol. 2004 Oct 8;343(1):29-41. PMID:15381418<ref>PMID:15381418</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>

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<div class="pdbe-citations 1wnb" style="background-color:#fffaf0;"></div>

[[Category: Betaine-aldehyde dehydrogenase]]

[[Category: Ecoli]]

[[Category: Cambillau, C]]

[[Category: Gruez, A]]

[[Category: Roig-Zamboni, V]]

[[Category: Tegoni, M]]

[[Category: Oxidoreductase]]