in all proteinuric children at the onset of the disease , urinary albumin was formed by one band with an isoelectric point ( pi ) of 4.7 ( pi of the native protein ) , and by numerous other , less anionic bands with pis between 4.8 and 5.5 accounting for about 50 % of the total amount of this protein .
C0001924
albumin
C0033684
protein