although the proteases from the bifidobacterium and the streptococcus pneumoniae showed the characteristics of typical iga1 proteases , cleaving the iga of only the iga1 subclass , the protease from clostridium sp . revealed a dual substrate specificity , in that it cleaved both iga1 and iga2 of the a2m ( 1 ) allotype .
C0030940
proteases
C0030946
protease