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Trypsin isolated from b. taurus has a Km of 0.12 mM and a Kcat of 0.152...

Trypsin isolated from b. taurus has a Km of 0.12 mM and a Kcat of 0.152 sec-1..

What is the specificity constant

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Answer #1

Km = 0.12 mM

Kcat = 0.152 sec-1

specificity constant = Kcat / Km

                             = 0.152 / 0.12 x 10^-3

                             = 1267 M-1s-1

specificity constant = 1267 M-1s-1

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