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alpha Macrofetoproteins

Glycoproteins with a Molecular Weight of approximately 620,000 to 680,000. Precipitation by Electrophoresis is in the alpha region. They include alpha 1-Macroglobulins and alpha 2-Macroglobulins. These Proteins exhibit Trypsin-, Chymotrypsin-, Thrombin-, and Plasmin-binding activity and function as hormonal transporters.