. "The enzyme is part of the degradation system for rhamnogalacturonan I in Bacillus subtilis strain 168 and Aspergillus aculeatus." . . . "Rhamnogalacturonase B" . "Rhamnogalacturonan endolyase" . "Alpha-L-rhamnopyranosyl-(1->4)-alpha-D-galactopyranosyluronide lyase" . "RG-lyase" . "Rgase B" . "Endotype eliminative cleavage of L-alpha-rhamnopyranosyl-(1->4)-alpha-D-galactopyranosyluronic acid bonds of rhamnogalacturonan I domains in ramified hairy regions of pectin leaving L-rhamnopyranose at the reducing end and 4-deoxy-4,5-unsaturated D-galactopyranosyluronic acid at the non-reducing end." .