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{{STRUCTURE_4kc7|  PDB=4kc7  |  SCENE=  }}
===Crystal Structure of Endo-1,5-alpha-L-arabinanase from Thermotoga petrophila RKU-1===
{{ABSTRACT_PUBMED_24469445}}


==Function==
==Crystal Structure of Endo-1,5-alpha-L-arabinanase from Thermotoga petrophila RKU-1==
[[http://www.uniprot.org/uniprot/EABN_THEP1 EABN_THEP1]] 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 in different arabinan-containing polysaccharides, and releases arabinotriose and arabinobiose as end products. It acts on branched arabinan (from sugar beet), but more slowly when compared to linear or debranched arabinan.
<StructureSection load='4kc7' size='340' side='right'caption='[[4kc7]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
 
== Structural highlights ==
==About this Structure==
<table><tr><td colspan='2'>[[4kc7]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermotoga_petrophila_RKU-1 Thermotoga petrophila RKU-1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4KC7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4KC7 FirstGlance]. <br>
[[4kc7]] is a 3 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4KC7 OCA].  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.75&#8491;</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=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene></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=4kc7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4kc7 OCA], [https://pdbe.org/4kc7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4kc7 RCSB], [https://www.ebi.ac.uk/pdbsum/4kc7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4kc7 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/EABN_THEP1 EABN_THEP1] 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 in different arabinan-containing polysaccharides, and releases arabinotriose and arabinobiose as end products. It acts on branched arabinan (from sugar beet), but more slowly when compared to linear or debranched arabinan.


==See Also==
==See Also==
*[[Arabinanase|Arabinanase]]
*[[Arabinanase 3D structures|Arabinanase 3D structures]]
 
__TOC__
==Reference==
</StructureSection>
<ref group="xtra">PMID:024469445</ref><references group="xtra"/><references/>
[[Category: Large Structures]]
[[Category: Arabinan endo-1,5-alpha-L-arabinosidase]]
[[Category: Thermotoga petrophila RKU-1]]
[[Category: Costa, M C.M F.]]
[[Category: Costa MCMF]]
[[Category: Mesa, A N.]]
[[Category: Mesa AN]]
[[Category: Murakami, M T.]]
[[Category: Murakami MT]]
[[Category: Nascimento, A F.Z.]]
[[Category: Nascimento AFZ]]
[[Category: Polo, C C]]
[[Category: Polo CC]]
[[Category: Prade, R A.]]
[[Category: Prade RA]]
[[Category: Ruller, R.]]
[[Category: Ruller R]]
[[Category: Santos, C R.]]
[[Category: Santos CR]]
[[Category: Squina, F M.]]
[[Category: Squina FM]]
[[Category: Arabinanase]]
[[Category: Beta-propeller]]
[[Category: Gh43]]
[[Category: Glycoside hydrolase]]
[[Category: Hydrolase]]
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