3.2.1.11 dextranase Streptococcus ratti 3.2.1.11 dextranase Streptococcus ratti ATCC 19645 3.2.1.11 dextranase Streptococcus ratti BHT 3.5.3.12 agmatine deiminase Streptococcus ratti 4.2.1.11 phosphopyruvate hydratase Streptococcus ratti 4.2.1.11 phosphopyruvate hydratase Streptococcus ratti FA-1