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3bvn

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Current revision (12:16, 30 August 2023) (edit) (undo)
 
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<StructureSection load='3bvn' size='340' side='right'caption='[[3bvn]], [[Resolution|resolution]] 2.55&Aring;' scene=''>
<StructureSection load='3bvn' size='340' side='right'caption='[[3bvn]], [[Resolution|resolution]] 2.55&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3bvn]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BVN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3BVN FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3bvn]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Human_herpesvirus_4_strain_B95-8 Human herpesvirus 4 strain B95-8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BVN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3BVN FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1uxs|1uxs]]</div></td></tr>
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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]] 2.55&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">HLA-B ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), B2M ([https://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'>[https://proteopedia.org/fgij/fg.htm?mol=3bvn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3bvn OCA], [https://pdbe.org/3bvn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3bvn RCSB], [https://www.ebi.ac.uk/pdbsum/3bvn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3bvn ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3bvn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3bvn OCA], [https://pdbe.org/3bvn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3bvn RCSB], [https://www.ebi.ac.uk/pdbsum/3bvn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3bvn ProSAT]</span></td></tr>
</table>
</table>
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== Disease ==
 
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[[https://www.uniprot.org/uniprot/B2MG_HUMAN B2MG_HUMAN]] Defects in B2M are the cause of hypercatabolic hypoproteinemia (HYCATHYP) [MIM:[https://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 ==
== Function ==
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[[https://www.uniprot.org/uniprot/LMP2_EBVB9 LMP2_EBVB9]] Isoform LMP2A maintains EBV latent infection of B-lymphocyte, by preventing lytic reactivation of the virus in response to surface immunoglobulin (sIg) cross-linking. Acts like a dominant negative inhibitor of the sIg-associated protein tyrosine kinases, LYN and SYK. Also blocks translocation of the B-cell antigen receptor (BCR) into lipid rafts, preventing the subsequent signaling and accelerated internalization of the BCR upon BCR cross-linking. Serves as a molecular scaffold to recruit SYK, LYN and E3 protein-ubiquitin ligases, such as ITCH and NEDD4L, leading to ubiquitination and potential degradation of both tyrosines kinases. Possesses a constitutive signaling activity in non-transformed cells, inducing bypass of normal B lymphocyte developmental checkpoints allowing immunoglobulin-negative cells to colonize peripheral lymphoid organs.<ref>PMID:8290598</ref> <ref>PMID:9768760</ref> Isoform LMP2B may be a negative regulator of isoform LMP2A.<ref>PMID:8290598</ref> <ref>PMID:9768760</ref> [[https://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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[https://www.uniprot.org/uniprot/Q56H30_HUMAN Q56H30_HUMAN]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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*[[Beta-2 microglobulin 3D structures|Beta-2 microglobulin 3D structures]]
*[[Beta-2 microglobulin 3D structures|Beta-2 microglobulin 3D structures]]
*[[MHC 3D structures|MHC 3D structures]]
*[[MHC 3D structures|MHC 3D structures]]
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*[[MHC I 3D structures|MHC I 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Human herpesvirus 4 strain B95-8]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Kumar, P]]
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[[Category: Kumar P]]
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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: Vahedi-Faridi, A]]
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[[Category: Vahedi-Faridi A]]
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[[Category: Ziegler, A]]
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[[Category: Ziegler A]]
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[[Category: Alternative splicing]]
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[[Category: Ankylosing spondylitis]]
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[[Category: Cytoplasm]]
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[[Category: Disease mutation]]
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[[Category: Glycation]]
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[[Category: Glycoprotein]]
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[[Category: Hla]]
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[[Category: Hla-b*14]]
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[[Category: Hla-b*1402]]
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[[Category: Hla-b14]]
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[[Category: Hla-b1402]]
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[[Category: Host-virus interaction]]
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[[Category: Human leukocyte antigen]]
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[[Category: Immune response]]
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[[Category: Immune system]]
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[[Category: Immunoglobulin domain]]
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[[Category: Major histocompatibility complex]]
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[[Category: Membrane]]
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[[Category: Mhc]]
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[[Category: Mhc i]]
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[[Category: Phosphoprotein]]
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[[Category: Plmp2]]
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[[Category: Pyrrolidone carboxylic acid]]
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[[Category: Secreted]]
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[[Category: Transmembrane]]
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[[Category: Ubl conjugation]]
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Current revision

High resolution crystal structure of HLA-B*1402 in complex with the latent membrane protein 2 peptide (LMP2) of Epstein-Barr virus

PDB ID 3bvn

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