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==The importance of the Abn2 calcium cluster in the endo-1,5- arabinanase activity from Bacillus subtilis==
==The importance of the Abn2 calcium cluster in the endo-1,5- arabinanase activity from Bacillus subtilis==
<StructureSection load='4cot' size='340' side='right' caption='[[4cot]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
<StructureSection load='4cot' size='340' side='right'caption='[[4cot]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4cot]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacsu Bacsu]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4COT OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4COT FirstGlance]. <br>
<table><tr><td colspan='2'>[[4cot]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_subtilis_subsp._subtilis_str._168 Bacillus subtilis subsp. subtilis str. 168]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4COT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4COT FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9&#8491;</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Arabinan_endo-1,5-alpha-L-arabinosidase Arabinan endo-1,5-alpha-L-arabinosidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.99 3.2.1.99] </span></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene></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=4cot FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4cot OCA], [http://pdbe.org/4cot PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4cot RCSB], [http://www.ebi.ac.uk/pdbsum/4cot PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4cot ProSAT]</span></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=4cot FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4cot OCA], [https://pdbe.org/4cot PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4cot RCSB], [https://www.ebi.ac.uk/pdbsum/4cot PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4cot ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/EABN2_BACSU EABN2_BACSU]] Involved in the degradation of arabinan and is a key enzyme in the complete degradation of the plant cell wall. Catalyzes the internal cleavage of alpha-(1->5)-L-arabinofuranosyl residues of the alpha-1,5-L-arabinan to produce arabino-oligosaccharides and L-arabinose. It is also active toward linear branched sugar beet arabinan, and pectin from apple.<ref>PMID:18408032</ref> <ref>PMID:20883454</ref>
[https://www.uniprot.org/uniprot/EABN2_BACSU EABN2_BACSU] Involved in the degradation of arabinan and is a key enzyme in the complete degradation of the plant cell wall. Catalyzes the internal cleavage of alpha-(1->5)-L-arabinofuranosyl residues of the alpha-1,5-L-arabinan to produce arabino-oligosaccharides and L-arabinose. It is also active toward linear branched sugar beet arabinan, and pectin from apple.<ref>PMID:18408032</ref> <ref>PMID:20883454</ref>  
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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==See Also==
==See Also==
*[[Arabinanase|Arabinanase]]
*[[Arabinanase 3D structures|Arabinanase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Arabinan endo-1,5-alpha-L-arabinosidase]]
[[Category: Bacillus subtilis subsp. subtilis str. 168]]
[[Category: Bacsu]]
[[Category: Large Structures]]
[[Category: Bento, I]]
[[Category: Bento I]]
[[Category: Carrondo, M A]]
[[Category: Carrondo MA]]
[[Category: Correia, B]]
[[Category: Correia B]]
[[Category: Ferreira, M J]]
[[Category: Ferreira MJ]]
[[Category: Lahiri, S]]
[[Category: Lahiri S]]
[[Category: Lindley, P F]]
[[Category: Lindley PF]]
[[Category: McVey, C E]]
[[Category: McVey CE]]
[[Category: Sa-Nogueira, I de]]
[[Category: Soares CM]]
[[Category: Soares, C M]]
[[Category: De Sa-Nogueira I]]
[[Category: DeSanctis, D]]
[[Category: DeSanctis D]]
[[Category: Catalytic mechanism]]
[[Category: Endo-alpha-l-arabinananase gh43]]
[[Category: Hydrolase]]
[[Category: Mutagenesis]]
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