Complement Factor B |
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| Bb Fragment of Factor B; Complement Factor B Fragment, Bb; Complement Factor B, Alternative Pathway; Complement Factor B-Derived Fragment Bb; Complement Factor Ba; Complement Factor Bb; Complement Protein B; Complement Protein Factor B | |
| A glycine-rich, heat-labile serum glycoprotein that contains a component of the ALTERNATIVE COMPLEMENT C3 CONVERTASE (C3bBb). Bb, a serine protease, is generated when factor B is cleaved by COMPLEMENT FACTOR D into Ba and Bb. | |