Medical Definition of Complement factor I
1.
Serine proteinase that acts on ic3b (inactivated complement 3b) to cleave it into c3c and c3dg with the help of a trypsin-like proteolytic enzyme. Complement factor I was formerly called kaf, c3binf, or enzyme 3b inactivator.
Registry number: EC 3.4.21.45
(12 Dec 1998)
Lexicographical Neighbors of Complement Factor I
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