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EC Number
pH Minimum
pH Maximum
Commentary
Reference
3.4.23.39
3.5
6.5
active over the range
648189
3.4.23.39
3.5
6
pH 3.5: about 65% of maximal activity, pH 6.0: about 30% of maximal activity, hydrolysis of Leu-Glu-Arg-Ile-Phe-Phe(NO2)-Ser-Phe
648190
3.4.23.39
4
5.5
pH 4.0: about 40% of maximal activity, pH 5.5: about 10% of maximal activity
648194
3.4.23.39
3
5
the zpepproPMII chimeric protein (porcine pepsinogen prosegment fused to the mature region of PMII) activates at pH 3-5. Activation at these pH values is consistent with the pH-dependent autoactivation observed for wildtype zymogen PMII
710468
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