1dle: Difference between revisions
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{{STRUCTURE_1dle| PDB=1dle | SCENE= }} | {{STRUCTURE_1dle| PDB=1dle | SCENE= }} | ||
===FACTOR B SERINE PROTEASE DOMAIN=== | |||
{{ABSTRACT_PUBMED_10637221}} | |||
== | ==Disease== | ||
[[http://www.uniprot.org/uniprot/CFAB_HUMAN CFAB_HUMAN]] Defects in CFB are a cause of susceptibility to hemolytic uremic syndrome atypical type 4 (AHUS4) [MIM:[http://omim.org/entry/612924 612924]]. An atypical form of hemolytic uremic syndrome. It is a complex genetic disease characterized by microangiopathic hemolytic anemia, thrombocytopenia, renal failure and absence of episodes of enterocolitis and diarrhea. In contrast to typical hemolytic uremic syndrome, atypical forms have a poorer prognosis, with higher death rates and frequent progression to end-stage renal disease. Note=Susceptibility to the development of atypical hemolytic uremic syndrome can be conferred by mutations in various components of or regulatory factors in the complement cascade system. Other genes may play a role in modifying the phenotype.<ref>PMID:17182750</ref><ref>PMID:20513133</ref> | |||
==Function== | |||
[[http://www.uniprot.org/uniprot/CFAB_HUMAN CFAB_HUMAN]] Factor B which is part of the alternate pathway of the complement system is cleaved by factor D into 2 fragments: Ba and Bb. Bb, a serine protease, then combines with complement factor 3b to generate the C3 or C5 convertase. It has also been implicated in proliferation and differentiation of preactivated B-lymphocytes, rapid spreading of peripheral blood monocytes, stimulation of lymphocyte blastogenesis and lysis of erythrocytes. Ba inhibits the proliferation of preactivated B-lymphocytes. | |||
==About this Structure== | ==About this Structure== | ||
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==Reference== | ==Reference== | ||
<ref group="xtra">PMID:010637221</ref><references group="xtra"/> | <ref group="xtra">PMID:010637221</ref><references group="xtra"/><references/> | ||
[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
[[Category: Carson, M.]] | [[Category: Carson, M.]] | ||