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3kpl
From Proteopedia
(Difference between revisions)
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| - | + | ==Crystal Structure of HLA B*4402 in complex with EEYLQAFTY a self peptide from the ABCD3 protein== | |
| - | + | <StructureSection load='3kpl' size='340' side='right' caption='[[3kpl]], [[Resolution|resolution]] 1.96Å' scene=''> | |
| - | + | == Structural highlights == | |
| + | <table><tr><td colspan='2'>[[3kpl]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KPL OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3KPL FirstGlance]. <br> | ||
| + | </td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3kpm|3kpm]], [[3kpn|3kpn]], [[3kpo|3kpo]], [[3kpp|3kpp]], [[3kpq|3kpq]], [[3kpr|3kpr]], [[3kps|3kps]]</td></tr> | ||
| + | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">HLA-B, HLAB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), B2M, CDABP0092, HDCMA22P ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr> | ||
| + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3kpl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3kpl OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3kpl RCSB], [http://www.ebi.ac.uk/pdbsum/3kpl PDBsum]</span></td></tr> | ||
| + | </table> | ||
| + | == Disease == | ||
| + | [[http://www.uniprot.org/uniprot/B2MG_HUMAN B2MG_HUMAN]] Defects in B2M are the cause of hypercatabolic hypoproteinemia (HYCATHYP) [MIM:[http://omim.org/entry/241600 241600]]. Affected individuals show marked reduction in serum concentrations of immunoglobulin and albumin, probably due to rapid degradation.<ref>PMID:16549777</ref> Note=Beta-2-microglobulin may adopt the fibrillar configuration of amyloid in certain pathologic states. The capacity to assemble into amyloid fibrils is concentration dependent. Persistently high beta(2)-microglobulin serum levels lead to amyloidosis in patients on long-term hemodialysis.<ref>PMID:3532124</ref> <ref>PMID:1336137</ref> <ref>PMID:7554280</ref> <ref>PMID:4586824</ref> <ref>PMID:8084451</ref> <ref>PMID:12119416</ref> <ref>PMID:12796775</ref> <ref>PMID:16901902</ref> <ref>PMID:16491088</ref> <ref>PMID:17646174</ref> <ref>PMID:18835253</ref> <ref>PMID:18395224</ref> <ref>PMID:19284997</ref> | ||
| + | == Function == | ||
| + | [[http://www.uniprot.org/uniprot/1B44_HUMAN 1B44_HUMAN]] Involved in the presentation of foreign antigens to the immune system. [[http://www.uniprot.org/uniprot/B2MG_HUMAN B2MG_HUMAN]] Component of the class I major histocompatibility complex (MHC). Involved in the presentation of peptide antigens to the immune system. | ||
| + | == 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/kp/3kpl_consurf.spt"</scriptWhenChecked> | ||
| + | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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/chain_selection.php?pdb_ID=2ata ConSurf]. | ||
| + | <div style="clear:both"></div> | ||
| + | <div style="background-color:#fffaf0;"> | ||
| + | == Publication Abstract from PubMed == | ||
| + | T cells often alloreact with foreign human leukocyte antigens (HLA). Here we showed the LC13 T cell receptor (TCR), selected for recognition on self-HLA-B( *)0801 bound to a viral peptide, alloreacts with B44 allotypes (HLA-B( *)4402 and HLA-B( *)4405) bound to two different allopeptides. Despite extensive polymorphism between HLA-B( *)0801, HLA-B( *)4402, and HLA-B( *)4405 and the disparate sequences of the viral and allopeptides, the LC13 TCR engaged these peptide-HLA (pHLA) complexes identically, accommodating mimicry of the viral peptide by the allopeptide. The viral and allopeptides adopted similar conformations only after TCR ligation, revealing an induced-fit mechanism of molecular mimicry. The LC13 T cells did not alloreact against HLA-B( *)4403, and the single residue polymorphism between HLA-B( *)4402 and HLA-B( *)4403 affected the plasticity of the allopeptide, revealing that molecular mimicry was associated with TCR specificity. Accordingly, molecular mimicry that is HLA and peptide dependent is a mechanism for human T cell alloreactivity between disparate cognate and allogeneic pHLA complexes. | ||
| - | + | T cell allorecognition via molecular mimicry.,Macdonald WA, Chen Z, Gras S, Archbold JK, Tynan FE, Clements CS, Bharadwaj M, Kjer-Nielsen L, Saunders PM, Wilce MC, Crawford F, Stadinsky B, Jackson D, Brooks AG, Purcell AW, Kappler JW, Burrows SR, Rossjohn J, McCluskey J Immunity. 2009 Dec 18;31(6):897-908. PMID:20064448<ref>PMID:20064448</ref> | |
| - | + | ||
| - | + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |
| - | + | </div> | |
| - | + | ||
| - | + | ||
| - | + | ||
==See Also== | ==See Also== | ||
*[[Beta-2 microglobulin|Beta-2 microglobulin]] | *[[Beta-2 microglobulin|Beta-2 microglobulin]] | ||
*[[Major histocompatibility complex|Major histocompatibility complex]] | *[[Major histocompatibility complex|Major histocompatibility complex]] | ||
| - | + | == References == | |
| - | == | + | <references/> |
| - | + | __TOC__ | |
| + | </StructureSection> | ||
[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
| - | [[Category: Archbold, J K | + | [[Category: Archbold, J K]] |
| - | [[Category: Bharadwaj, M | + | [[Category: Bharadwaj, M]] |
| - | [[Category: Brooks, A G | + | [[Category: Brooks, A G]] |
| - | [[Category: Burrows, S R | + | [[Category: Burrows, S R]] |
| - | [[Category: Chen,Z | + | [[Category: Chen,Z]] |
| - | [[Category: Clements, C S | + | [[Category: Clements, C S]] |
| - | [[Category: Crawford, F | + | [[Category: Crawford, F]] |
| - | [[Category: Gras, S | + | [[Category: Gras, S]] |
| - | [[Category: Jackson, D | + | [[Category: Jackson, D]] |
| - | [[Category: Kappler, J W | + | [[Category: Kappler, J W]] |
| - | [[Category: Kjer-Nielsen, L | + | [[Category: Kjer-Nielsen, L]] |
| - | [[Category: Macdonald, W A | + | [[Category: Macdonald, W A]] |
| - | [[Category: McCluskey, J | + | [[Category: McCluskey, J]] |
| - | [[Category: Purcell, A W | + | [[Category: Purcell, A W]] |
| - | [[Category: Rossjohn, J | + | [[Category: Rossjohn, J]] |
| - | [[Category: Saunders, P M | + | [[Category: Saunders, P M]] |
| - | [[Category: Stadinsky, B | + | [[Category: Stadinsky, B]] |
| - | [[Category: Tynan, F E | + | [[Category: Tynan, F E]] |
| - | [[Category: Wilce, M C | + | [[Category: Wilce, M C]] |
[[Category: Allorecognition]] | [[Category: Allorecognition]] | ||
[[Category: Disulfide bond]] | [[Category: Disulfide bond]] | ||
Revision as of 17:19, 18 December 2014
Crystal Structure of HLA B*4402 in complex with EEYLQAFTY a self peptide from the ABCD3 protein
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Categories: Homo sapiens | Archbold, J K | Bharadwaj, M | Brooks, A G | Burrows, S R | Chen,Z | Clements, C S | Crawford, F | Gras, S | Jackson, D | Kappler, J W | Kjer-Nielsen, L | Macdonald, W A | McCluskey, J | Purcell, A W | Rossjohn, J | Saunders, P M | Stadinsky, B | Tynan, F E | Wilce, M C | Allorecognition | Disulfide bond | Glycoprotein | Hla b*4402 | Host-virus interaction | Immune response | Immune system | Membrane | Mhc i | Self peptide | Tcr recognition

