4rep: Difference between revisions
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<StructureSection load='4rep' size='340' side='right' caption='[[4rep]], [[Resolution|resolution]] 1.97Å' scene=''> | <StructureSection load='4rep' size='340' side='right' caption='[[4rep]], [[Resolution|resolution]] 1.97Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[4rep]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4REP OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4REP FirstGlance]. <br> | <table><tr><td colspan='2'>[[4rep]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Donghaeana_dokdonensis Donghaeana dokdonensis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4REP OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4REP FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FAD:FLAVIN-ADENINE+DINUCLEOTIDE'>FAD</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FAD:FLAVIN-ADENINE+DINUCLEOTIDE'>FAD</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr> | ||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">DDD_2394 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=592029 Donghaeana dokdonensis])</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=4rep FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4rep OCA], [http://pdbe.org/4rep PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4rep RCSB], [http://www.ebi.ac.uk/pdbsum/4rep PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4rep ProSAT]</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=4rep FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4rep OCA], [http://pdbe.org/4rep PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4rep RCSB], [http://www.ebi.ac.uk/pdbsum/4rep PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4rep ProSAT]</span></td></tr> | ||
</table> | </table> | ||
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__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Donghaeana dokdonensis]] | |||
[[Category: Ahn, J W]] | [[Category: Ahn, J W]] | ||
[[Category: Kim, E J]] | [[Category: Kim, E J]] | ||
Revision as of 12:04, 22 November 2017
Crystal Structure of gamma-carotenoid desaturaseCrystal Structure of gamma-carotenoid desaturase
Structural highlights
Publication Abstract from PubMedThe gamma-carotenoids, such as myxol and saproxanthin, have a high potential to be utilized in nutraceutical and pharmaceutical industries for their neuro-protective and antioxidant effects. CrtD is involved in the production of gamma-carotenoids by desaturating the C3'-C4' position of 1'-OH-gamma-carotenoid. We determined the crystal structure of CrtD from Nonlabens dokdonensis DSW-6 (NdCrtD), the first structure of CrtD family enzymes. The NdCrtD structure was composed of two distinct domains, an FAD-binding domain and a substrate-binding domain, and the substrate-binding domain can be divided into two subdomains, a Rossmann fold-like subdomain and a lid subdomain. Although the FAD-binding domain showed a structure similar to canonical FAD-containing enzymes, the substrate-binding domain exhibited a novel structure to constitute a long and hydrophobic tunnel with a length of approximately 40A. The molecular docking-simulation reveals that the tunnel provides an appropriate substrate-binding site for the carotenoid such as 1'-OH-gamma-carotene with a length of approximately 35A. We could predict residues related to recognize the 1'-hydroxyl group and to stabilize the hydrophobic end without hydroxyl group. Moreover, we suggest that the flexible entrance loop may undergo an open-closed formational change during the binding of the substrate. Crystal structure of 1'-OH-carotenoid 3,4-desaturase from Nonlabens dokdonensis DSW-6.,Ahn JW, Kim KJ Enzyme Microb Technol. 2015 Sep;77:29-37. doi: 10.1016/j.enzmictec.2015.05.005., Epub 2015 May 22. PMID:26138397[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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