In dictionaries:
Complement receptor 2
Complement receptor type 2, also known as complement C3d receptor, Epstein-Barr virus receptor, and CD21 (cluster of differentiation 21), is a protein that in humans is encoded by the CR2 gene.
Complement receptor 1
Complement receptor type 1 also known as C3b/C4b receptor or CD35 (cluster of differentiation 35) is a protein that in humans is encoded by the CR1 gene.
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