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| | <StructureSection load='5b6s' size='340' side='right'caption='[[5b6s]], [[Resolution|resolution]] 1.70Å' scene=''> | | <StructureSection load='5b6s' size='340' side='right'caption='[[5b6s]], [[Resolution|resolution]] 1.70Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[5b6s]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Copc7 Copc7]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5B6S OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5B6S FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[5b6s]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Coprinopsis_cinerea_okayama7#130 Coprinopsis cinerea okayama7#130]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5B6S OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5B6S FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</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" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr> |
| - | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5b6t|5b6t]]</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=5b6s FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5b6s OCA], [https://pdbe.org/5b6s PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5b6s RCSB], [https://www.ebi.ac.uk/pdbsum/5b6s PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5b6s ProSAT]</span></td></tr> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CC1G_01577 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=240176 COPC7])</td></tr>
| + | |
| - | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Non-reducing_end_alpha-L-arabinofuranosidase Non-reducing end alpha-L-arabinofuranosidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.55 3.2.1.55] </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=5b6s FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5b6s OCA], [http://pdbe.org/5b6s PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5b6s RCSB], [http://www.ebi.ac.uk/pdbsum/5b6s PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5b6s ProSAT]</span></td></tr> | + | |
| | </table> | | </table> |
| | + | == Function == |
| | + | [https://www.uniprot.org/uniprot/A8NI40_COPC7 A8NI40_COPC7] |
| | <div style="background-color:#fffaf0;"> | | <div style="background-color:#fffaf0;"> |
| | == Publication Abstract from PubMed == | | == Publication Abstract from PubMed == |
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| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Copc7]] | + | [[Category: Coprinopsis cinerea okayama7#130]] |
| | [[Category: Large Structures]] | | [[Category: Large Structures]] |
| - | [[Category: Non-reducing end alpha-L-arabinofuranosidase]]
| + | [[Category: Tonozuka T]] |
| - | [[Category: Tonozuka, T]] | + | |
| - | [[Category: Alpha-l-arabinofuranosidase]]
| + | |
| - | [[Category: Arabinoxylan]]
| + | |
| - | [[Category: Coprinopsis cinerea]]
| + | |
| - | [[Category: Gh62]]
| + | |
| - | [[Category: Hemicellulose]]
| + | |
| - | [[Category: Hydrolase]]
| + | |
| Structural highlights
Function
A8NI40_COPC7
Publication Abstract from PubMed
alpha-L-Arabinofuranosidases, belonging to the glycoside hydrolase family (GH) 62, hydrolyze the alpha-1,2- or alpha-1,3-bond to liberate L-arabinofuranose from the xylan backbone. Here, we determined the structure of the C-terminal catalytic domain of CcAbf62A, a GH62 alpha-L-arabinofuranosidase from Coprinopsis cinerea. CcAbf62A is composed of a five-bladed beta-propeller, as observed in other GH62 enzymes. The structure near the active site of CcAbf62A is also highly homologous to those of other GH62 enzymes. However, a calcium atom in the catalytic center interacts with an asparagine residue, Asn279, which is not found in other GH62 enzymes. In addition, some residues in subsites +3R, +2NR, +3NR, and +4NR of CcAbf62A are not conserved in other GH62 enzymes. In particular, a histidine residue, His221, is uniquely observed in subsite +2NR of CcAbf62A, which is likely to influence the substrate specificity. The results obtained here suggest that the amino acid residues that interact with the xylan backbone vary among the GH62 enzymes, despite the high similarity of their overall structures.
Structure of the Catalytic Domain of alpha-L-Arabinofuranosidase from Coprinopsis cinerea, CcAbf62A, Provides Insights into Structure-Function Relationships in Glycoside Hydrolase Family 62.,Tonozuka T, Tanaka Y, Okuyama S, Miyazaki T, Nishikawa A, Yoshida M Appl Biochem Biotechnol. 2016 Sep 2. PMID:27589854[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
- ↑ Tonozuka T, Tanaka Y, Okuyama S, Miyazaki T, Nishikawa A, Yoshida M. Structure of the Catalytic Domain of alpha-L-Arabinofuranosidase from Coprinopsis cinerea, CcAbf62A, Provides Insights into Structure-Function Relationships in Glycoside Hydrolase Family 62. Appl Biochem Biotechnol. 2016 Sep 2. PMID:27589854 doi:http://dx.doi.org/10.1007/s12010-016-2227-0
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