Cellulose 1,4-β-cellobiosidase (reducing end)

Cellulose 1,4-β-cellobiosidase (reducing end) (EC 3.2.1.176, CelS, CelSS, endoglucanase SS, cellulase SS, cellobiohydrolase CelS, Cel48A) is an enzyme with systematic name 4-beta-D-glucan cellobiohydrolase (reducing end).

[1][2] This enzyme catalyses the following chemical reaction The CelS enzyme from Clostridium thermocellum is the most abundant subunit of the cellulosome formed by the organism.