4iug

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{{STRUCTURE_4iug| PDB=4iug | SCENE= }}
 
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===Crystal structure of beta-galactosidase from Aspergillus oryzae in complex with galactose===
 
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{{ABSTRACT_PUBMED_23688418}}
 
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==Function==
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==Crystal structure of beta-galactosidase from Aspergillus oryzae in complex with galactose==
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[[http://www.uniprot.org/uniprot/BGALA_ASPOR BGALA_ASPOR]] Cleaves beta-linked terminal galactosyl residues from gangliosides, glycoproteins, and glycosaminoglycans (By similarity).
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<StructureSection load='4iug' size='340' side='right'caption='[[4iug]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4iug]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Aspergillus_oryzae Aspergillus oryzae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4IUG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4IUG FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.6&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CD:CADMIUM+ION'>CD</scene>, <scene name='pdbligand=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=M6D:6-O-PHOSPHONO-BETA-D-MANNOPYRANOSE'>M6D</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=SEP:PHOSPHOSERINE'>SEP</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4iug FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4iug OCA], [https://pdbe.org/4iug PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4iug RCSB], [https://www.ebi.ac.uk/pdbsum/4iug PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4iug ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/BGALA_ASPOR BGALA_ASPOR] Cleaves beta-linked terminal galactosyl residues from gangliosides, glycoproteins, and glycosaminoglycans (By similarity).
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The crystal structure of the industrially important Aspergillus oryzae beta-galactosidase has been determined at 2.60A resolution. The Ao-beta-gal is a large (985 residues) monomeric multi-domain enzyme that has a catalytic (alpha/beta)8-barrel domain. An electron density map revealed extensive N-glycosylation between the domain interfaces suggesting that the oligosaccharide-chains would have a stabilizing role for the structure of Ao-beta-gal. Comparison of structure with other beta-galactosidase structures of glycoside hydrolase family 35 revealed a number of hydrophobic residues, which may contribute favorably to the stabilization of the structure. The role of a high number of acidic residues in Ao-beta-gal is also discussed.
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==About this Structure==
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The crystal structure of acidic beta-galactosidase from Aspergillus oryzae.,Maksimainen MM, Lampio A, Mertanen M, Turunen O, Rouvinen J Int J Biol Macromol. 2013 Sep;60:109-15. doi: 10.1016/j.ijbiomac.2013.05.003., Epub 2013 May 17. PMID:23688418<ref>PMID:23688418</ref>
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[[4iug]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Aspergillus_oryzae Aspergillus oryzae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4IUG OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<ref group="xtra">PMID:023688418</ref><references group="xtra"/><references/>
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</div>
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<div class="pdbe-citations 4iug" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Galactosidase 3D structures|Galactosidase 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Aspergillus oryzae]]
[[Category: Aspergillus oryzae]]
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[[Category: Beta-galactosidase]]
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[[Category: Large Structures]]
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[[Category: Maksimainen, M.]]
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[[Category: Maksimainen M]]
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[[Category: Rouvinen, J.]]
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[[Category: Rouvinen J]]
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[[Category: Glycoside hydrolase]]
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[[Category: Hydrolase]]
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[[Category: Tim barrel]]
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Crystal structure of beta-galactosidase from Aspergillus oryzae in complex with galactose

PDB ID 4iug

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