What are the three most common forms of amyloid?

AL (light amyloid) : Ig light chain as a whole or amino terminal or both. AA (amyloid-associatated) : composed of protein derived from proteolysis of a larger precursor protein called serum amyloid-associated (SAA) synthesized in the liver. beta amyloid (Abeta) derived from proteolysis of much larger glycoprotein called amyloid precursor protein