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. 1998 Sep;64(9):3397–3402. doi: 10.1128/aem.64.9.3397-3402.1998

TABLE 3.

pNP-releasing activities of the three chitinases

Substratea Relative activity (%)
Chitinase L Chitinase M Chitinase S
pNP-GlcNAc 0 0 0
pNP-(GlcNAc)2 100 100 100
pNP-(GlcNAc)3 46 190 234
pNP-(GlcNAc)4 26 94 114
pNP-(GlcNAc)5 31 70 25
a

Each substrate was tested at a concentration of 2 mM at 60°C.