after a 2.5-h labeling period with [ 35s ] methionine the high-mannose-type precursor of alpha 1-proteinase inhibitor ( mr 49000 ) and alpha 1-acid glycoprotein ( mr 39 000 ) and the mature-complex-type alpha 1-proteinase inhibitor ( mr 54 000 ) and alpha 1-acid glycoprotein ( mr 43 000-60 000 ) could be immunoprecipitated from the cells , but only the complex-type forms of the two glycoproteins were secreted into the hepatocyte media .
C0007634
cells
C1327616
secreted