... this hypothesis, we compared the aminoacid composition of the catalytic domain of CelB with those from two other members of GH family 51, EGF from F. succinogenes and AbjA (Genpept accession numberCAA76421) ... of the constructed plasmids are drawn in relation to the celB region with the restriction sites used for excision of the insert priorto ligation in the host vector (in parentheses). The DNA ... xylan), the major compo-nents of the plant cell wall, constitute complex substrates asvariation can occur in the nature of the monomers, the linkages, chain length and degree of substitution. The complexity...