Production by Tobacco Transplastomic Plants of Recombinant Fungal and Bacterial Cell-Wall Degrading Enzymes to Be Used for Cellulosic Biomass Saccharification

Table 2

Activity of various tobacco chloroplast expressed enzymes on carboxymethylcellulose (CMC) and on microcrystalline cellulose (MCC) substrates.

Enzyme	Activity U/mg protein		Type	Generation of plants used in the study
	CMC	MCC
Cel63	0.3 ± 0.02	0.5 ± 0.03	Exoglucanase	T3
Cel3	0.36 ± 0.02	0.12 ± 0.005	Endoglucanase	T3
CelK1	3.6 ± 0.15	0.2 ± 0.03	Endoglucanase	T3
Cel6	0.16 ± 0.03	0.4 ± 0.05	Exoglucanase	T1
Cel7	0.25 ± 0.009	0.21 ± 0.03	Endoglucanase	T1