| Chitinases: Bacterial chitinase (family 18) (23) |
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| Bacterial chitinase (family 19) Streptomyces griseus HUT 6037 (24) |
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Chitosanases: |
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| Type I Bacillus pumilus BN-262 (22) Penicillium islandicum (25) Streptomyces sp. N174 (26) |
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| Type II Bacillus sp. No 7-M (27) |
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| Type III Streptomyces griseus HUT 6037 (28) Bacillus circulans MH-K1 (29) Nocardia orientalis (30) Bacillus circulans WL-12* (8) |
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* This enzyme was previously reported as b-1,3-1,4-glucanase (8).
(Linkage orientation: the future non-reducing end in oligosaccharide product is on right, and the future reducing end is on the left.)
(the symbols used in this chart were previously explained here)