>4cu9_A mol:protein length:186 BETA-GALACTOSIDASE LVPRGSHMNPNYDENSNQAFASATNDIDKNSHDRVDYLNDGDHSENRRWTNWSPTPSSN PEVSAGVIFRENGKIVERTVAQAKLHFFADSGTDAPSKLVLERYVGPGFEVPTYYSNYQ AYESGHPFNNPENWEAVPYRADKDIAAGDEINVTFKAVKAKAMRWRMERKADKSGVAMI EMTFLAPSE