a. Explain why, when the imidazole ring of histidine is protonated, the double-bonded nitrogen is the nitrogen

Question:

a. Explain why, when the imidazole ring of histidine is protonated, the double-bonded nitrogen is the nitrogen that accepts the proton.

b. Explain why, when the guanidino group of arginine is protonated, the double-bonded nitrogen is the nitrogen that accepts the proton.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Organic Chemistry

ISBN: 978-0131407480

4th edition

Authors: Paula Yurkanis Bruice

See More Books

Question Posted: Jun 10, 2016 07:41 AM

See More Questions

The imidazole ring of the histidine side chain acts as a proton acceptor in certain enzymecatalyzed reactions. Which is the more stable protonated form of the histidine residue, A or B? Why?
The imidazole ring of the histidine side chain acts as a proton acceptor in certain enzymecatalyzed reactions. Which is the more stable protonated form of the histidine residue, A or B? Why CH CHC...
Draw the structure of histidine at pH 1, and show how the positive charge in the second basic group (the imidazole ring) can be delocalized.
You are to show the journal entries necessary to record the following items which occured in 2012: (a) May 1 Bought a van on credit from Deedon Garage for 6,000. (b) May 3 A debt of 100 owing from P....
Who benefited the most from the late 1990s boom in initial public offerings of Internet companies: investors (stockholders) in those companies, managers, or investment bankers?
Key West has an annual payroll of $150,000. In addition, the company incurs payroll tax expense of 10% of the annual payroll. At December 31, Key West owes salaries of $8,000 and FICA and other...
For each of the following, calculate the standard error of the difference $\left(s \mathrm{X}^{-} 1-\mathrm{X}^{-} ight.$ $2)$. a. N = 35, s = 1.50, N = 35, $2 = 3.25 b. N = 4, s = 4.30, N = 4,...
Platteville Eye Clinic is considering investing in new optical-scanning equipment. It has two options: Option A would have an initial lower cost but would require a significant expenditure for...
Do the following two parts: (a) Find the sum-of-products expansion of the Boolean function F (w, x, y, z) that has the value 1 if and only if an odd number of w, x, y, and z have the value 1. (b)...
The Smith Company management would like to know the total sales units that are required for the company to earn a profit of $150,000. The following data are available: unit selling price of $50;...
What products are obtained from the reduction of a. D-idose? b. D-sorbose?
a. Which amino acid has the lowest pI value? b. Which amino acid has the highest pI value? c. Which amino acid has the greatest amount of negative charge at pH = 6.20? d. Which amino acid-glycine or...
Consider the seemingly contradictory statement foo(X) foo(X) Convert this statement to clausal form, and then translate into Prolog. Explain what will happen if you ask ?- foo(bar). Now consider the...
Customers who use automatic teller machines ( ATM ) can perform several transactions quickly and efficiently. A banking consultant has noted that the times to complete a transaction are normally...
Differentiate the construction of the tower of Pisa and Leaning Bad Frankenhausen Church Tower.
What is a set of global accounting guidelines, formulated by the IASB?
Try to identify the major effects of each of the eight factors (complementary products; technological change, general economic conditions; demographic forces; ecological/natural environment forces:...
When a worker does not wear PPE or does not wear it correctly, who is responsible, employer or employee?
Draw a structural formula for a compound with molecular formula C 5 H 10 O that is consistent with the 13 CNMR spectrum shown in Fig. A.5. Assign signals in the spectrum to specific carbons in your...
Create a data model for one of the processes in the end-of-chapter Exercises for Chapter 4. Explain how you would balance the data model and process model.
For which of the following ions does the formal charge give a fairly accurate picture of where the charge really is? Explain in each case. (a) NH4 (b) H3O: (C) NH2 (d) CH3
Is there an unbranched alkane containing 23 hydrogen atoms? If so, give its structural formula; if not, explain why not.
In the structure of 4- isopropy 1-2,4,5-trimethylheptane (Problem 2.9) (a) Identify the primary, secondary, tertiary, and quaternary carbons. (b) Identify the primary, secondary, and tertiary...
Lake Incorporated and the River, Incorporated reported net incomes of $205,000 and $164,000, respectively, for the most recent fiscal year. Both companies had 41,000 shares of common stock issued and...
What effect Eventually, BREXIT will make on EU? How it will benefit UK? What will be the possible outcome?
Merchant Company purchased property for a building site. The costs associated with the property were: Purchase price Real estate commissions Legal fees Expenses of clearing the land Expenses to...

a. Explain why, when the imidazole ring of histidine is protonated, the double-bonded nitrogen is the nitrogen

Question:

CH CHCOO NH3 CH CHCOO NH2 :N NH NH H,NCNHCH CH CH CHCO NH3 NH-

Step by Step Answer:

a Protonation of the doubledbonded nitrogen forms a conjugate ac...View the full answer

Organic Chemistry

Students also viewed these Organic Chemistry questions