Fig. 1From: Lignocellulases: a review of emerging and developing enzymes, systems, and practicesThe two major catalytic mechanisms of GHs, namely: the inversion (a) and retention (b) mechanisms. These two mechanisms lead to the effective hydrolysis of cellulosic substrates. The reader is referred to Zechel and Withers (2000) and Koshland (1953) for a detailed reviewBack to article page