there are two major isozymes of human lysosomal beta-hexosaminidase ( beta-n-acetylhexosaminidase , ec 3.2.1.52 ) , hexosaminidase a , alpha ( beta a beta b ) , and hexosaminidase b , 2 ( beta a beta b ) .
C0005270
beta-n-acetylhexosaminidase
C0162330
hexosaminidase a