FUNCTION: 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 ...
FUNCTION: 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.
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GO - Biological processes (BP):
complement activation [GO:0006956]; complement activation, alternative pathway [GO:0006957]; positive regulation of immune response [GO:0050778]; positive regulation of opsonization [GO:1903028]...
complement activation [GO:0006956]; complement activation, alternative pathway [GO:0006957]; positive regulation of immune response [GO:0050778]; positive regulation of opsonization [GO:1903028]
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GO - Molecular function (MF):
complement binding [GO:0001848]; serine-type endopeptidase activity [GO:0004252]...
complement binding [GO:0001848]; serine-type endopeptidase activity [GO:0004252]
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GO - Cellular component (CC):
blood microparticle [GO:0072562]; extracellular exosome [GO:0070062]; extracellular region [GO:0005576]; extracellular space [GO:0005615]; plasma membrane [GO:0005886]...
blood microparticle [GO:0072562]; extracellular exosome [GO:0070062]; extracellular region [GO:0005576]; extracellular space [GO:0005615]; plasma membrane [GO:0005886]
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