1mct: Difference between revisions

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[[Image:1mct.png|left|200px]]


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==THE REFINED 1.6 ANGSTROMS RESOLUTION CRYSTAL STRUCTURE OF THE COMPLEX FORMED BETWEEN PORCINE BETA-TRYPSIN AND MCTI-A, A TRYPSIN INHIBITOR OF SQUASH FAMILY==
The line below this paragraph, containing "STRUCTURE_1mct", creates the "Structure Box" on the page.
<StructureSection load='1mct' size='340' side='right'caption='[[1mct]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1mct]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Momordica_charantia Momordica charantia] and [https://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MCT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MCT FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.6&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
{{STRUCTURE_1mct|  PDB=1mct  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1mct FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mct OCA], [https://pdbe.org/1mct PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1mct RCSB], [https://www.ebi.ac.uk/pdbsum/1mct PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1mct ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/TRYP_PIG TRYP_PIG]
== 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/mc/1mct_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=1mct ConSurf].
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<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The crystal structure of the complex formed by porcine beta-trypsin with the MCTI-A inhibitor (Momordica charantia, Linn. Cucurbitaceae) has been determined at 1.6 A resolution using the molecular replacement method. The sequence of MCTI-A was determined by recognizing the electron density, and shows that MCTI-A is a member of the squash family of trypsin inhibitors. We report the first high-resolution structure of porcine beta-trypsin. Detailed comparisons have been made on the overall structure, solvent structure and active-site geometries between this complex and bovine beta-trypsin and its complexes. On the basis of our results, we discuss the interaction patterns between inhibitor and trypsin. Unlike other complex structures formed by bovine trypsin with inhibitors, no out-of-plane distortion around the inhibitor's scissible peptide was observed. The role of the trypsin catalytic triad is also discussed on the basis of this structure.


===THE REFINED 1.6 ANGSTROMS RESOLUTION CRYSTAL STRUCTURE OF THE COMPLEX FORMED BETWEEN PORCINE BETA-TRYPSIN AND MCTI-A, A TRYPSIN INHIBITOR OF SQUASH FAMILY===
Refined 1.6 A resolution crystal structure of the complex formed between porcine beta-trypsin and MCTI-A, a trypsin inhibitor of the squash family. Detailed comparison with bovine beta-trypsin and its complex.,Huang Q, Liu S, Tang Y J Mol Biol. 1993 Feb 20;229(4):1022-36. PMID:8445634<ref>PMID:8445634</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1mct" style="background-color:#fffaf0;"></div>


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==See Also==
The line below this paragraph, {{ABSTRACT_PUBMED_8445634}}, adds the Publication Abstract to the page
*[[Trypsin 3D structures|Trypsin 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 8445634 is the PubMed ID number.
*[[Trypsin inhibitor 3D structures|Trypsin inhibitor 3D structures]]
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== References ==
{{ABSTRACT_PUBMED_8445634}}
<references/>
 
__TOC__
==About this Structure==
</StructureSection>
1MCT is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Momordica_charantia Momordica charantia] and [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MCT OCA].
[[Category: Large Structures]]
 
==Reference==
Refined 1.6 A resolution crystal structure of the complex formed between porcine beta-trypsin and MCTI-A, a trypsin inhibitor of the squash family. Detailed comparison with bovine beta-trypsin and its complex., Huang Q, Liu S, Tang Y, J Mol Biol. 1993 Feb 20;229(4):1022-36. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8445634 8445634]
[[Category: Momordica charantia]]
[[Category: Momordica charantia]]
[[Category: Protein complex]]
[[Category: Sus scrofa]]
[[Category: Sus scrofa]]
[[Category: Trypsin]]
[[Category: Huang Q]]
[[Category: Huang, Q.]]
[[Category: Liu S]]
[[Category: Liu, S.]]
[[Category: Tang Y]]
[[Category: Tang, Y.]]
 
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