9j6x
From Proteopedia
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| - | '''Unreleased structure''' | ||
| - | + | ==Cryo-EM structure of the rice isoamylase ISA1-ISA2 heterocomplex== | |
| - | + | <StructureSection load='9j6x' size='340' side='right'caption='[[9j6x]], [[Resolution|resolution]] 2.40Å' scene=''> | |
| - | + | == Structural highlights == | |
| - | + | <table><tr><td colspan='2'>[[9j6x]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Oryza_sativa_Japonica_Group Oryza sativa Japonica Group]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9J6X OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9J6X FirstGlance]. <br> | |
| - | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 2.4Å</td></tr> | |
| - | [[Category: | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=9j6x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9j6x OCA], [https://pdbe.org/9j6x PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9j6x RCSB], [https://www.ebi.ac.uk/pdbsum/9j6x PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9j6x ProSAT]</span></td></tr> |
| + | </table> | ||
| + | == Function == | ||
| + | [https://www.uniprot.org/uniprot/ISOA1_ORYSJ ISOA1_ORYSJ] Starch-debranching enzyme involved in amylopectin biosynthesis in endosperm. Functions by removing excess branches or improper branches that interfere with the formation of double helices of the cluster chains of amylopectin and crystallization of starch (PubMed:10517831, PubMed:15618430, PubMed:16953433, PubMed:21436381). Works as ISA1 homooligomer or together with ISA2 as heterooligomer. The heterooligomer ISA1 and ISA2 possesses higher affinity than the ISA1 homooligomer for various branched polyglucans in vitro, but no marked differences exist in chain preferences for debranching of amylopectin and phytoglycogen between these forms (PubMed:16953433, PubMed:21436381).<ref>PMID:10517831</ref> <ref>PMID:15618430</ref> <ref>PMID:16953433</ref> <ref>PMID:21436381</ref> | ||
| + | == References == | ||
| + | <references/> | ||
| + | __TOC__ | ||
| + | </StructureSection> | ||
| + | [[Category: Large Structures]] | ||
| + | [[Category: Oryza sativa Japonica Group]] | ||
| + | [[Category: Guan ZY]] | ||
| + | [[Category: Yan JJ]] | ||
Current revision
Cryo-EM structure of the rice isoamylase ISA1-ISA2 heterocomplex
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