1900
C. D. ANDERSON, W. W. LEE, LEONGOODMAN AND B. R. BAKER
As may be seen from Table 111, the calculations of the percentage HEAH for some ten proteins shows a variation in the percentage HEAH from less than 10% for y-globulin to 60% for insulin. It can be concluded from these data that, on the one hand, y-globulin contains a very small amount TABLE I11 Protein
Approx. pDa
Av.
yo H E A H b dev., (10 min.) %
Number of detn.
yo H E A H (24 hr.)
Insulin 2 60 f.2 3 12 Ovalbumin 5 50 *4 4 20 Lysozyme 4.5-5 45 zk5 4 15 Chymotrypsin 4.5 43 zk7 4 15 Bovine plasma albumin 5 40 5 4 3