9j60

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'''Unreleased structure'''
 
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The entry 9j60 is ON HOLD
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==Cryo-EM structure of the rice isoamylase ISA1 dimer==
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<StructureSection load='9j60' size='340' side='right'caption='[[9j60]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
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Authors:
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== Structural highlights ==
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<table><tr><td colspan='2'>[[9j60]] is a 2 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=9J60 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9J60 FirstGlance]. <br>
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Description:
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 2.7&#8491;</td></tr>
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[[Category: Unreleased Structures]]
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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=9j60 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9j60 OCA], [https://pdbe.org/9j60 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9j60 RCSB], [https://www.ebi.ac.uk/pdbsum/9j60 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9j60 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[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>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
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[[Category: Oryza sativa Japonica Group]]
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[[Category: Guan ZY]]
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[[Category: Yan JJ]]

Current revision

Cryo-EM structure of the rice isoamylase ISA1 dimer

PDB ID 9j60

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