Mcp, Crry, mCRY, Complement component receptor 1-like protein, Complement regulatory protein Crry, Protein p65, Cr1l, Cry
Acts as a cofactor for complement factor I, a serine protease which protects autologous cells against complement-mediated injury by cleaving C3b and C4b deposited on host tissue. Also acts as a decay-accelerating factor, preventing the formation of C4b2a