1msb: Difference between revisions

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


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==STRUCTURE OF THE CALCIUM-DEPENDENT LECTIN DOMAIN FROM A RAT MANNOSE-BINDING PROTEIN DETERMINED BY MAD PHASING==
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<StructureSection load='1msb' size='340' side='right'caption='[[1msb]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1msb]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Rattus_rattus Rattus rattus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MSB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MSB FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#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=HO:HOLMIUM+ATOM'>HO</scene></td></tr>
{{STRUCTURE_1msb|  PDB=1msb  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1msb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1msb OCA], [https://pdbe.org/1msb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1msb RCSB], [https://www.ebi.ac.uk/pdbsum/1msb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1msb ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/MBL1_RAT MBL1_RAT] Calcium-dependent lectin involved in innate immune defense. Binds mannose, fucose and N-acetylglucosamine on different microorganisms and activates the lectin complement pathway. Binds to late apoptotic cells, as well as to apoptotic blebs and to necrotic cells, but not to early apoptotic cells, facilitating their uptake by macrophages (By similarity).
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ms/1msb_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=1msb ConSurf].
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== Publication Abstract from PubMed ==
Calcium-dependent (C-type) animal lectins participate in many cell surface recognition events mediated by protein-carbohydrate interactions. The C-type lectin family includes cell adhesion molecules, endocytic receptors, and extracellular matrix proteins. Mammalian mannose-binding proteins are C-type lectins that function in antibody-independent host defense against pathogens. The crystal structure of the carbohydrate-recognition domain of a rat mannose-binding protein, determined as the holmium-substituted complex by multiwavelength anomalous dispersion (MAD) phasing, reveals an unusual fold consisting of two distinct regions, one of which contains extensive nonregular secondary structure stabilized by two holmium ions. The structure explains the conservation of 32 residues in all C-type carbohydrate-recognition domains, suggesting that the fold seen here is common to these domains. The strong anomalous scattering observed at the Ho LIII edge demonstrates that traditional heavy atom complexes will be generally amenable to the MAD phasing method.


===STRUCTURE OF THE CALCIUM-DEPENDENT LECTIN DOMAIN FROM A RAT MANNOSE-BINDING PROTEIN DETERMINED BY MAD PHASING===
Structure of the calcium-dependent lectin domain from a rat mannose-binding protein determined by MAD phasing.,Weis WI, Kahn R, Fourme R, Drickamer K, Hendrickson WA Science. 1991 Dec 13;254(5038):1608-15. PMID:1721241<ref>PMID:1721241</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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==See Also==
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*[[Mannose-binding protein|Mannose-binding protein]]
(as it appears on PubMed at http://www.pubmed.gov), where 1721241 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_1721241}}
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</StructureSection>
==About this Structure==
[[Category: Large Structures]]
1MSB is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MSB OCA].
[[Category: Rattus rattus]]
 
[[Category: Drickamer K]]
==Reference==
[[Category: Hendrickson WA]]
<ref group="xtra">PMID:1721241</ref><references group="xtra"/>
[[Category: Weis WI]]
[[Category: Rattus norvegicus]]
[[Category: Drickamer, K.]]
[[Category: Hendrickson, W A.]]
[[Category: Weis, W I.]]
[[Category: Hepatic lectin]]
 
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