3dx6: Difference between revisions

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-[[Image:3dx6.png|left|200px]]
 {{STRUCTURE_3dx6|  PDB=3dx6  |  SCENE=  }}
+===Crystal Structure of B*4402 presenting a 10mer EBV epitope===
+{{ABSTRACT_PUBMED_19139173}}
-===Crystal Structure of B*4402 presenting a 10mer EBV epitope===
+==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>
-{{ABSTRACT_PUBMED_19139173}}
+==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/EBNA6_EBV EBNA6_EBV]] Plays an essential role for the activation and immortalization of human B-cells. Represses transcription of viral promoters TP1 and Cp through interaction with host RBPJ, and inhibits EBNA2-mediated activation of these promoters. Since Cp is the promoter for all EBNA mRNAs, EBNA6 probably contributes to a negative autoregulatory control loop. Alternatively, EBNA6 also regulates the transcription of the EBV oncogene LMP1 in a cell cycle-dependent manner. It modulates the activity of several host proteins involved in cell cycle regulation including host cyclin A, MYC, RB and p27 mainly through binding to the host SCF(SKP2) complex.<ref>PMID:16352731</ref> [[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.
 ==About this Structure==
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 ==Reference==
-<ref group="xtra">PMID:019139173</ref><references group="xtra"/>
+<ref group="xtra">PMID:019139173</ref><references group="xtra"/><references/>
 [[Category: Homo sapiens]]
 [[Category: Archbold, J K.]]