properdin factor B
pro·per·din fac·tor B[MIM*138470]
a normal serum protein (MW 95,000) and a component of the properdin system, which combines with C3b to form the C3 convertase of the alternative pathway.
Farlex Partner Medical Dictionary © Farlex 2012
pro·per·din fac·tor B(prō'pĕr-din fak'tŏr)
A normal serum protein and a component of the properdin system.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012