comparison of the apoproteins of the native and trypsin-treated ld-lipoproteins by electrophoretic techniques based on molecular weight revealed a transformation of the high-molecular weight material ( greater than 250 000 ) characteristic of apo-ld lipoprotein into several polypeptide species ( 10 major forms ) ranging in size from 161 500 to about 10 000 .
C0005910
weight
C1521970
characteristic