Cellobiohydrolase I (Cbh1) belongs to glycoside hydrolase family 7 (GH7) that catalyzes the processive hydrolysis of cellulose into cellobiose[1].
References
[1] Wahab AFFA, et al. Functional characterisation of cellobiohydrolase I (Cbh1) from Trichoderma virens UKM1 expressed in Aspergillus niger. Protein Expr Purif. 2019 Feb;154:52-61. DOI:10.1016/j.pep.2018.09.014