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EC Number
pH Stability
pH Stability Maximum
Commentary
Reference
3.4.21.26
2
-
the enzyme remains stable at pH 2.0
683049
3.4.21.26
3
5
more than 70% of the initial activity remains after incubation of the enzyme for 30 min at 35°C between pH 3.0 and 5.0
732281
3.4.21.26
3.5
7
within the pH range of 3.5-7.0, the enzyme retains more than 80% of the initial activity after incubation at 37°C for 30 min
732282
3.4.21.26
4.5
-
variants with as much as 20% enhanced specific activity at pH 4.5 and 200fold greater resistance to pepsin identified
694952
3.4.21.26
5
7.5
good stability is observed in the pH range of 5.0 to 7.5
754664
3.4.21.26
5
9
2 h
81325
3.4.21.26
5
9
30°C, 30 min
81330
3.4.21.26
5.5
9
30°C, 1 h
81326
3.4.21.26
6
8.5
37°C, 30 min
81341
3.4.21.26
6
8.5
the purified enzyme is stable in a pH range of 6.0-8.5
755302
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