callin. 50 U A Tat safle. a. O Nm D oO tH O ! co O ! ISOLEUCINE SUBSTITUTION FREQUENCY(x 107) + {00 GAMMA RAY EXPOSURE (rads) “a tu 567 i {50 200
callin. 50 U A Tat safle. a. O Nm D oO tH O ! co O ! ISOLEUCINE SUBSTITUTION FREQUENCY(x 107) + {00 GAMMA RAY EXPOSURE (rads) “a tu 567 i {50 200