2zuk

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[[Image:2zuk.png|left|200px]]
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==The crystal structure of alpha-amino-epsilon-caprolactam racemase from Achromobacter obae complexed with epsilon caprolactam (different binding mode)==
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<StructureSection load='2zuk' size='340' side='right' caption='[[2zuk]], [[Resolution|resolution]] 2.41&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2zuk]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Achromobacter_obae Achromobacter obae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ZUK OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ZUK FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ICC:AZEPAN-2-ONE'>ICC</scene>, <scene name='pdbligand=PLP:PYRIDOXAL-5-PHOSPHATE'>PLP</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3dxv|3dxv]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/2-aminohexano-6-lactam_racemase 2-aminohexano-6-lactam racemase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=5.1.1.15 5.1.1.15] </span></td></tr>
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<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=2zuk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2zuk OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2zuk RCSB], [http://www.ebi.ac.uk/pdbsum/2zuk PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/zu/2zuk_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Alpha-amino-epsilon-caprolactam (ACL) racemase (ACLR) from Achromobacter obae catalyzes the interconversion of l- and d-ACL. ACLR belongs to the fold-type I group of pyridoxal 5'-phosphate (PLP) dependent enzymes. In this study, the first crystal structures of a fold-type I racemase are solved for the native form and epsilon-caprolactam-complexed form of ACLR at 2.21 and 2.40 A resolution, respectively. Based on the location of epsilon-caprolactam in the complex structure, the substrate-binding site is assigned between Trp49 and Tyr137. The carboxyl group of Asp210 is a reasonable candidate that recognizes the nitrogen atom of a lactam or amide in the substrate. Based on a structural comparison with fold-type III alanine racemase, Tyr137 is potentially the acid/base catalytic residue that is essential for the two-base racemization mechanism. The overall structure of ACLR is similar to that of fold-type I enzymes. A structural comparison with these enzymes explains the different reaction specificities.
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{{STRUCTURE_2zuk| PDB=2zuk | SCENE= }}
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The novel structure of a pyridoxal 5'-phosphate-dependent fold-type I racemase, alpha-amino-epsilon-caprolactam racemase from Achromobacter obae.,Okazaki S, Suzuki A, Mizushima T, Kawano T, Komeda H, Asano Y, Yamane T Biochemistry. 2009 Feb 10;48(5):941-50. PMID:19146406<ref>PMID:19146406</ref>
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===The crystal structure of alpha-amino-epsilon-caprolactam racemase from Achromobacter obae complexed with epsilon caprolactam (different binding mode)===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_19146406}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[2zuk]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Achromobacter_obae Achromobacter obae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ZUK OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:019146406</ref><references group="xtra"/>
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[[Category: 2-aminohexano-6-lactam racemase]]
[[Category: 2-aminohexano-6-lactam racemase]]
[[Category: Achromobacter obae]]
[[Category: Achromobacter obae]]

Revision as of 05:14, 2 October 2014

The crystal structure of alpha-amino-epsilon-caprolactam racemase from Achromobacter obae complexed with epsilon caprolactam (different binding mode)

2zuk, resolution 2.41Å

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