>gnl|mdb|bmrb11428:1 a disulfide-deficient mutant of the starch-binding domain of glucoamylase TSGTTPTAVAVTFDLTATTTYGENIYLVGSISQLGDWETSDGIALSADKYTSSDPLWYVTVTLPAGESFEYKFIRIESDD SVEWESDPNREYTVPQAGGTSTATVTDTWR