1wr0

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[[Image:1wr0.png|left|200px]]
 
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{{STRUCTURE_1wr0| PDB=1wr0 | SCENE= }}
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==Structural characterization of the MIT domain from human Vps4b==
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<StructureSection load='1wr0' size='340' side='right'caption='[[1wr0]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1wr0]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WR0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1WR0 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">Solution NMR</td></tr>
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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=1wr0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wr0 OCA], [https://pdbe.org/1wr0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1wr0 RCSB], [https://www.ebi.ac.uk/pdbsum/1wr0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1wr0 ProSAT], [https://www.topsan.org/Proteins/RSGI/1wr0 TOPSAN]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/VPS4B_HUMAN VPS4B_HUMAN] Involved in late steps of the endosomal multivesicular bodies (MVB) pathway. Recognizes membrane-associated ESCRT-III assemblies and catalyzes their disassembly, possibly in combination with membrane fission. Redistributes the ESCRT-III components to the cytoplasm for further rounds of MVB sorting. MVBs contain intraluminal vesicles (ILVs) that are generated by invagination and scission from the limiting membrane of the endosome and mostly are delivered to lysosomes enabling degradation of membrane proteins, such as stimulated growth factor receptors, lysosomal enzymes and lipids. In conjunction with the ESCRT machinery also appears to function in topologically equivalent membrane fission events, such as the terminal stages of cytokinesis and enveloped virus budding (HIV-1 and other lentiviruses).<ref>PMID:11563910</ref> <ref>PMID:14505570</ref> <ref>PMID:18687924</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/wr/1wr0_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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=1wr0 ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The microtubule interacting and trafficking (MIT) domain is a small protein module of unknown function that is conserved in proteins of diverse function, such as Vps4, sorting nexin 15 (SNX15), and spastin. One non-synonymous single nucleotide polymorphism was reported, which results in a Ile58-to-Met (I58M) substitution in hVps4b. Here, we have determined the solution structure of the MIT domain isolated from the NH(2)-terminus of human Vps4b, an AAA-ATPase involved in multivesicular body formation. The MIT domain adopts an 'up-and-down' three-helix bundle. Comparison with the sequences of other MIT domains clearly shows that the residues involved in inter-helical contacts are well conserved. The Ile58-to-Met substitution resulted a substantial thermal instability. In addition, we found a shallow crevice between helices A and C that may serve as a protein-binding site. We propose that the MIT domain serves as a putative adaptor domain for the ESCRT-III complex involved in endosomal trafficking.
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===Structural characterization of the MIT domain from human Vps4b===
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Structural characterization of the MIT domain from human Vps4b.,Takasu H, Jee JG, Ohno A, Goda N, Fujiwara K, Tochio H, Shirakawa M, Hiroaki H Biochem Biophys Res Commun. 2005 Aug 26;334(2):460-5. PMID:16018968<ref>PMID:16018968</ref>
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{{ABSTRACT_PUBMED_16018968}}
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 1wr0" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[1wr0]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WR0 OCA].
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*[[Vacuolar protein sorting-associated protein 3D structures|Vacuolar protein sorting-associated protein 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:016018968</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Fujiwara, K.]]
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[[Category: Large Structures]]
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[[Category: Goda, N.]]
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[[Category: Fujiwara K]]
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[[Category: Hiroaki, H.]]
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[[Category: Goda N]]
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[[Category: Jee, J G.]]
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[[Category: Hiroaki H]]
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[[Category: Ohno, A.]]
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[[Category: Jee JG]]
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[[Category: RSGI, RIKEN Structural Genomics/Proteomics Initiative.]]
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[[Category: Ohno A]]
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[[Category: Shirakawa, M.]]
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[[Category: Shirakawa M]]
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[[Category: Takasu, H.]]
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[[Category: Takasu H]]
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[[Category: Tochio, H.]]
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[[Category: Tochio H]]
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[[Category: Escort]]
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[[Category: Mit domain]]
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[[Category: Mvb]]
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[[Category: National project on protein structural and functional analyse]]
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[[Category: Nppsfa]]
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[[Category: Protein transport]]
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[[Category: Riken structural genomics/proteomics initiative]]
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[[Category: Rsgi]]
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[[Category: Skd1]]
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[[Category: Snp]]
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[[Category: Structural genomic]]
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[[Category: Vps4b]]
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Current revision

Structural characterization of the MIT domain from human Vps4b

PDB ID 1wr0

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