View source for 2qn4


==Structure and function study of rice bifunctional alpha-amylase/subtilisin inhibitor from Oryza sativa==
<StructureSection load='2qn4' size='340' side='right'caption='[[2qn4]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2qn4]] 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=2QN4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2QN4 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</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=2qn4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qn4 OCA], [https://pdbe.org/2qn4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2qn4 RCSB], [https://www.ebi.ac.uk/pdbsum/2qn4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2qn4 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/IAAS_ORYSJ IAAS_ORYSJ] This protein inhibits independently subtilisin and T.castaneum alpha-amylase but not barley alpha-amylase.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/qn/2qn4_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2qn4 ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Rice bifunctional alpha-amylase/subtilisin inhibitor (RASI) can inhibit both alpha-amylase from larvae of the red flour beetle (Tribolium castaneum) and subtilisin from Bacillus subtilis. The synthesis of RASI is up-regulated during the late milky stage in developing seeds. The 8.9 kDa molecular-weight RASI from rice has been crystallized using the hanging-drop vapour-diffusion method. According to 1.81 angstroms resolution X-ray diffraction data from rice RASI crystals, the crystal belongs to space group P2(1)2(1)2, with unit-cell parameters a = 79.99, b = 62.95, c = 66.70 angstroms. Preliminary analysis indicates two RASI molecules in an asymmetric unit with a solvent content of 44%.

Purification, crystallization and preliminary X-ray crystallographic analysis of rice bifunctional alpha-amylase/subtilisin inhibitor from Oryza sativa.,Lin YH, Peng WY, Huang YC, Guan HH, Hsieh YC, Liu MY, Chang T, Chen CJ Acta Crystallogr Sect F Struct Biol Cryst Commun. 2006 Aug 1;62(Pt, 8):743-5. Epub 2006 Jul 24. PMID:016880545<ref>PMID:016880545</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 2qn4" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Oryza sativa Japonica Group]]
[[Category: Chen CJ]]
[[Category: Guan HH]]
[[Category: Hsieh YC]]
[[Category: Huang YC]]
[[Category: Lin YH]]
[[Category: Peng WY]]