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2cii

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==THE CRYSTAL STRUCTURE OF H-2DB COMPLEXED WITH A PARTIAL PEPTIDE EPITOPE SUGGESTS AN MHC CLASS I ASSEMBLY-INTERMEDIATE==
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<StructureSection load='2cii' size='340' side='right' caption='[[2cii]], [[Resolution|resolution]] 2.55&Aring;' scene=''>
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==The crystal structure of H-2Db complexed with a partial peptide epitope suggests an MHC Class I assembly-intermediate==
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<StructureSection load='2cii' size='340' side='right'caption='[[2cii]], [[Resolution|resolution]] 2.55&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2cii]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CII OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2CII FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2cii]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens], [https://en.wikipedia.org/wiki/Human_respirovirus_1 Human respirovirus 1] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CII OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2CII FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene><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]] 2.55&#8491;</td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1a1m|1a1m]], [[1a1n|1a1n]], [[1a1o|1a1o]], [[1a6z|1a6z]], [[1a9b|1a9b]], [[1a9e|1a9e]], [[1agb|1agb]], [[1agc|1agc]], [[1agd|1agd]], [[1age|1age]], [[1agf|1agf]], [[1akj|1akj]], [[1ao7|1ao7]], [[1b0g|1b0g]], [[1b0r|1b0r]], [[1bd2|1bd2]], [[1bz9|1bz9]], [[1c16|1c16]], [[1ce6|1ce6]], [[1cg9|1cg9]], [[1de4|1de4]], [[1duy|1duy]], [[1duz|1duz]], [[1e27|1e27]], [[1e28|1e28]], [[1eey|1eey]], [[1eez|1eez]], [[1efx|1efx]], [[1exu|1exu]], [[1ffn|1ffn]], [[1ffo|1ffo]], [[1ffp|1ffp]], [[1fg2|1fg2]], [[1gzp|1gzp]], [[1gzq|1gzq]], [[1hoc|1hoc]], [[1hhg|1hhg]], [[1hhh|1hhh]], [[1hhi|1hhi]], [[1hhj|1hhj]], [[1hhk|1hhk]], [[1hla|1hla]], [[1hsa|1hsa]], [[1hsb|1hsb]], [[1i1f|1i1f]], [[1i1y|1i1y]], [[1i4f|1i4f]], [[1i7r|1i7r]], [[1i7t|1i7t]], [[1i7u|1i7u]], [[1im3|1im3]], [[1im9|1im9]], [[1inq|1inq]], [[1jf1|1jf1]], [[1jgd|1jgd]], [[1jge|1jge]], [[1jht|1jht]], [[1jnj|1jnj]], [[1jpf|1jpf]], [[1jpg|1jpg]], [[1juf|1juf]], [[1k5n|1k5n]], [[1kpr|1kpr]], [[1ktl|1ktl]], [[1lds|1lds]], [[1lp9|1lp9]], [[1m05|1m05]], [[1m6o|1m6o]], [[1mhe|1mhe]], [[1mi5|1mi5]], [[1n2r|1n2r]], [[1n3n|1n3n]], [[1n5a|1n5a]], [[1of2|1of2]], [[1oga|1oga]], [[1ogt|1ogt]], [[1onq|1onq]], [[1p7q|1p7q]], [[1py4|1py4]], [[1q94|1q94]], [[1qew|1qew]], [[1qlf|1qlf]], [[1qqd|1qqd]], [[1qr1|1qr1]], [[1qrn|1qrn]], [[1qse|1qse]], [[1qsf|1qsf]], [[1qvo|1qvo]], [[1r3h|1r3h]], [[1s7u|1s7u]], [[1s7v|1s7v]], [[1s7w|1s7w]], [[1s7x|1s7x]], [[1s9w|1s9w]], [[1s9x|1s9x]], [[1s9y|1s9y]], [[1sys|1sys]], [[1syv|1syv]], [[1tmc|1tmc]], [[1tvb|1tvb]], [[1tvh|1tvh]], [[1uqs|1uqs]], [[1ur7|1ur7]], [[1uxs|1uxs]], [[1uxw|1uxw]], [[1vgk|1vgk]], [[1w0v|1w0v]], [[1w0w|1w0w]], [[1w72|1w72]], [[1wbx|1wbx]], [[1wby|1wby]], [[1x7q|1x7q]], [[1xh3|1xh3]], [[1xr8|1xr8]], [[1xr9|1xr9]], [[1xz0|1xz0]], [[1yn6|1yn6]], [[1yn7|1yn7]], [[1ydp|1ydp]], [[1ypz|1ypz]], [[1zhb|1zhb]], [[1zs8|1zs8]], [[1zsd|1zsd]], [[1zt4|1zt4]], [[2a83|2a83]], [[2ak4|2ak4]], [[2av7|2av7]], [[2axf|2axf]], [[2axg|2axg]], [[2bck|2bck]], [[2bnq|2bnq]], [[2bnr|2bnr]], [[2bsr|2bsr]], [[2bss|2bss]], [[2bst|2bst]], [[2bsu|2bsu]], [[2bsv|2bsv]], [[2bvq|2bvq]], [[2c7u|2c7u]], [[2cik|2cik]], [[2clr|2clr]], [[2d31|2d31]], [[2f74|2f74]], [[2f8o|2f8o]], [[2hla|2hla]], [[3hla|3hla]]</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=GOL:GLYCEROL'>GOL</scene></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2cii FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cii OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2cii RCSB], [http://www.ebi.ac.uk/pdbsum/2cii PDBsum]</span></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=2cii FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cii OCA], [https://pdbe.org/2cii PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2cii RCSB], [https://www.ebi.ac.uk/pdbsum/2cii PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2cii ProSAT]</span></td></tr>
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<table>
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</table>
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== Disease ==
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[[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 ==
== Function ==
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[[http://www.uniprot.org/uniprot/HA11_MOUSE HA11_MOUSE]] Involved in the presentation of foreign antigens to the immune system. [[http://www.uniprot.org/uniprot/NCAP_PI1HW NCAP_PI1HW]] Encapsidates the genome in a ratio of 1 N per 6 ribonucleotides, protecting it from nucleases. The nucleocapsid (NC) has a helical structure. The encapsidated genomic RNA is termed the NC and serves as template for transcription and replication. During replication, encapsidation by N is coupled to RNA synthesis and all replicative products are resistant to nucleases (By similarity). [[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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[https://www.uniprot.org/uniprot/HA11_MOUSE HA11_MOUSE] Involved in the presentation of foreign antigens to the immune system.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ci/2cii_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ci/2cii_consurf.spt"</scriptWhenChecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</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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</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=2cii ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 2cii" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[Beta-2 microglobulin|Beta-2 microglobulin]]
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*[[Beta-2 microglobulin 3D structures|Beta-2 microglobulin 3D structures]]
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*[[Major histocompatibility complex|Major histocompatibility complex]]
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*[[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 respirovirus 1]]
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[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Doering, K.]]
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[[Category: Doering K]]
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[[Category: Elliott, T.]]
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[[Category: Elliott T]]
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[[Category: Glithero, A.]]
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[[Category: Glithero A]]
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[[Category: Jones, E Y.]]
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[[Category: Jones EY]]
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[[Category: Kojima, M.]]
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[[Category: Kojima M]]
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[[Category: Tormo, J.]]
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[[Category: Tormo J]]
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[[Category: Glycoprotein]]
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[[Category: Immune response]]
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[[Category: Immune system-peptide complex]]
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[[Category: Immune system/peptide]]
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[[Category: Immunoglobulin domain]]
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[[Category: Membrane]]
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[[Category: Mhc class i]]
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[[Category: Mhc i]]
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[[Category: Peptide binding]]
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[[Category: Pyrrolidone carboxylic acid]]
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[[Category: Sendai virus]]
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[[Category: Transmembrane]]
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Current revision

The crystal structure of H-2Db complexed with a partial peptide epitope suggests an MHC Class I assembly-intermediate

PDB ID 2cii

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