... mole-cule mainly consists of (partly methylated) homogalac-turonan, interspersed with rhamnogalacturonan units,which often contain sugar side chains composed ofarabinan and galactan [1].Degradation ... 24660–24664.9 Lu CT, Tada T, Nakamura Y, Wada K, Nishimura K,Katsuya Y, Sawada M, Takao M & Sakai T (2000)Crystallization and preliminary X-ray analysis of endo-polygalacturonase SE1 from Trichosporon ... endopolygalacturonases, exo-polygalacturonases and rhamnogalacturonases [3,4].Although a handful of endopolygalacturonases, gener-ally of fungal origin [5–10], and a single rhamnogalac-turonase [11] have...