3d18

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{{STRUCTURE_3d18| PDB=3d18 | SCENE= }}
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==Crystal structure of HLA-B*2709 complexed with a variant of the latent membrane protein 2 peptide (LMP2(L)) of epstein-barr virus==
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===Crystal structure of HLA-B*2709 complexed with a variant of the latent membrane protein 2 peptide (LMP2(L)) of epstein-barr virus===
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<StructureSection load='3d18' size='340' side='right' caption='[[3d18]], [[Resolution|resolution]] 1.74&Aring;' scene=''>
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== Structural highlights ==
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==Disease==
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<table><tr><td colspan='2'>[[3d18]] 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=3D18 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3D18 FirstGlance]. <br>
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[[http://www.uniprot.org/uniprot/1B27_HUMAN 1B27_HUMAN]] Defects in HLA-B are a cause of susceptibility to spondyloarthropathy type 1 (SPDA1) [MIM:[http://omim.org/entry/106300 106300]]. It is a chronic rheumatic disease with multifactorial inheritance. It includes a spectrum of related disorders comprising ankylosing spondylitis, a subset of psoriatic arthritis, reactive arthritis (e.g. Reiter syndrome), arthritis associated with inflammatory bowel disease and undifferentiated spondyloarthropathy. These disorders may occur simultaneously or sequentially in the same patient, probably representing various phenotypic expressions of the same disease. Ankylosing spondylitis is the form of rheumatoid arthritis affecting the spine and is considered the prototype of seronegative spondyloarthropathies. It produces pain and stiffness as a result of inflammation of the sacroiliac, intervertebral, and costovertebral joints. Note=In the Greek Cypriot population, a restricted number of HLA-B27 subtypes are associated with ankylosing spondylitis and other B27-related diseases and an elevated frequency of the B*2702 allele in ankylosing spondylitis patients is identified. The allele B*2707 seems to have a protective role in this population because it was found only in the healthy controls.<ref>PMID:15603872</ref> [[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>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1uxs|1uxs]], [[1uxw|1uxw]]</td></tr>
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==Function==
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<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 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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<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=3d18 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3d18 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3d18 RCSB], [http://www.ebi.ac.uk/pdbsum/3d18 PDBsum]</span></td></tr>
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</table>
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== Disease ==
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[[http://www.uniprot.org/uniprot/1B27_HUMAN 1B27_HUMAN]] Defects in HLA-B are a cause of susceptibility to spondyloarthropathy type 1 (SPDA1) [MIM:[http://omim.org/entry/106300 106300]]. It is a chronic rheumatic disease with multifactorial inheritance. It includes a spectrum of related disorders comprising ankylosing spondylitis, a subset of psoriatic arthritis, reactive arthritis (e.g. Reiter syndrome), arthritis associated with inflammatory bowel disease and undifferentiated spondyloarthropathy. These disorders may occur simultaneously or sequentially in the same patient, probably representing various phenotypic expressions of the same disease. Ankylosing spondylitis is the form of rheumatoid arthritis affecting the spine and is considered the prototype of seronegative spondyloarthropathies. It produces pain and stiffness as a result of inflammation of the sacroiliac, intervertebral, and costovertebral joints. Note=In the Greek Cypriot population, a restricted number of HLA-B27 subtypes are associated with ankylosing spondylitis and other B27-related diseases and an elevated frequency of the B*2702 allele in ankylosing spondylitis patients is identified. The allele B*2707 seems to have a protective role in this population because it was found only in the healthy controls.<ref>PMID:15603872</ref> [[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>
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== Function ==
[[http://www.uniprot.org/uniprot/1B27_HUMAN 1B27_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.
[[http://www.uniprot.org/uniprot/1B27_HUMAN 1B27_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.
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== Evolutionary Conservation ==
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==About this Structure==
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[[Image:Consurf_key_small.gif|200px|right]]
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[[3d18]] 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=3D18 OCA].
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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/d1/3d18_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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></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]]
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== References ==
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==Reference==
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<references/>
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<references group="xtra"/><references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Beltrami, A.]]
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[[Category: Beltrami, A]]
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[[Category: Gabdulkhakov, A.]]
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[[Category: Gabdulkhakov, A]]
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[[Category: Rossmann, M.]]
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[[Category: Rossmann, M]]
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[[Category: Saenger, W.]]
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[[Category: Saenger, W]]
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[[Category: Uchanska-Ziegler, B.]]
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[[Category: Uchanska-Ziegler, B]]
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[[Category: Ziegler, A.]]
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[[Category: Ziegler, A]]
[[Category: Disease mutation]]
[[Category: Disease mutation]]
[[Category: Glycation]]
[[Category: Glycation]]

Revision as of 14:15, 18 December 2014

Crystal structure of HLA-B*2709 complexed with a variant of the latent membrane protein 2 peptide (LMP2(L)) of epstein-barr virus

3d18, resolution 1.74Å

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