five immunoprecipitates were obtained which corresponded to microsomal aminopeptidase ( ec 3.4.11.2 ) , asparate aminopeptidase ( ec 3.4.11.7 ) , lactase ( beta-galactosidase , ec 3.2.1.23 ) , maltase ( exo-1,4-alpha-glucosidase , ec 3.2.1.3 ) and sucrase-isomaltase ( sucrose alpha-glucohydrolase , ec 3.2.1.48 ) .
C0083183
lactase
C0005220
beta-galactosidase