Chemistry, 12.09.2019 21:20 Teedollasign
Activity of the bacterial enzyme acetoacetate decarboxylase sharply declines below ph 6, suggesting there is an ionizable catalytic residue with pka ~ 6. using mutagenesis, this critical catalytic residue was determined to be lys-115. a) what is the typical pka of a lysine side chain and what ratio of deprotonated to protonated lysine would be expected at ph 7.5 (standard ph inside a bacterium)
Answers: 1
![pH=pka+log\frac{[A^{-} ]}{[HA]}](/tpl/images/0229/1595/fae8c.png)
![7.5=10.5+log\frac{[A^{-} ]}{[HA]}\\-3.0=log\frac{[A^{-} ]}{[HA]}\\10^{-3.0}=\frac{[A^{-} ]}{[HA]}\\0.001=\frac{[A^{-} ]}{[HA]}](/tpl/images/0229/1595/47589.png)
Another question on Chemistry
Chemistry, 22.06.2019 02:10
Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %
Answers: 2
Chemistry, 22.06.2019 12:20
The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397
Answers: 2
You know the right answer?
Activity of the bacterial enzyme acetoacetate decarboxylase sharply declines below ph 6, suggesting...
Questions
English, 12.03.2021 22:30
Biology, 12.03.2021 22:30
Mathematics, 12.03.2021 22:30
Mathematics, 12.03.2021 22:30
Mathematics, 12.03.2021 22:30
Spanish, 12.03.2021 22:30
