Binette P, Binette M, Calkins E
Biochem J. 1974 Oct;143(1):253-4. doi: 10.1042/bj1430253.
A normal human plasma protein called the P-component, which has a reaction of identity with the pentagonal structure found in amyloid-laden organs, has been isolated and identified with a recently characterized protein, the 9.5S alpha(1)-glycoprotein.