3.2.1.123 3 - - 646695 3.2.1.123 3 - transglycosylation reaction in the presence of 25% methanol 646694 3.2.1.123 3 4 - 665547 3.2.1.123 4.5 - - 646702 3.2.1.123 5 - - 677557, 732178 3.2.1.123 5 - assay at 646700 3.2.1.123 5 - endoglycoceramidase I 646691 3.2.1.123 5 - isoform II, without activator protein 646690 3.2.1.123 5.5 - - 646693, 680753 3.2.1.123 5.5 - endoglycoceramidase II 646691