the same unfolding transition seen previously from circular dichroism studies [ villanueva , g. b. , & allen , n. ( 1983 ) j. biol . chem . 258 , 14048-14053 ] at low denaturant concentration was detected here by discontinuous changes in the chemical shifts of the c ( 2 ) protons of two of the five histidines in human antithrombin iii and of three of the six histidines in bovine antithrombin iii .
C0724532
human antithrombin iii
C0003438
antithrombin iii