Page 53 - General Biochemistry
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• The new shape may not be effective.
Figure 16 effect of pH
Pepsin is most efficient at pH 2.5-3 while Trypsin is efficient at a much
higher pH
Enzyme Co-factors
o Cofactors are other compounds or ions that enzymes require before their
catalytic activity can occur.
o The protein portion of the enzyme is referred to as the apoenzyme.
o The enzyme plus the cofactor is known as a holoenzyme.
o One cofactor may serve many different enzymes.
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