The enzyme Rhamnogalacturonan endolyase (, rhamnogalacturonase B, ñ-<small>L</small>-rhamnopyranosyl-(1âÂÂ4)-ñ-<small>D</small>-galactopyranosyluronide lyase, Rgase B, rhamnogalacturonan ñ-<small>L</small>rhamnopyranosyl-(1,4)-ñ-<small>D</small>-galactopyranosyluronide lyase, RG-lyase, YesW, RGL4, Rgl11A, Rgl11Y, RhiE) is an enzyme with systematic name ñ-<small>L</small>-rhamnopyranosyl-(1âÂÂ4)-ñ-<small>D</small>-galactopyranosyluronate endolyase. catalyses the following process:
The enzyme is part of the degradation system for rhamnogalacturonan I in Bacillus subtilis strain 168 and Aspergillus aculeatus.