What is the one-letter code for the amino acid that has a side chain that contains a secondary alcohol?
T
K
A
E
G
Correct answer is T
What is the one-letter code for the amino acid that has a methyl group as its side chain?
E
A
T
G
K
Correct answer is A
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What is the one-letter code for the amino acid that has a side chain that contains...
The pK of the side chain of amino acid X in a polypeptide is normally in the range of 9-10 and carries a positive charge when protonated. Suppose you have a soluble globular protein and you find there is an X that has a pK of 6.5. What is the most likely reason for such a large drop in pK? Circle the correct answer. a) X is on the surface of the protein where it ion pairs with the carboxylate...
Question 30 (1 point) Saved If an amino acid with a nonionizable side chain has a pka for its a-carboxyl group of 2.4 and a pka for its a-amino group of 9.8, what is its pl? 12.2 Not enough information 06.1 07.4
Which of the following amino acids contains a secondary alcohol side chain? O Thr O Cys O Asp Met
A non-natural amino acid has been synthesized. The carboxylic acid has a pk - 3.21, the protonated amine has a pk = 9.59, and the side chain contains an alcohol which has a pk = 16.09. What is the pl of this amino acid? Your answer should be to the nearest hundredths. a Answer:
A non-natural amino acid has been synthesized. The carboxylic acid has a pk - 3.21, the protonated amine has a pk = 9.59, and the side chain contains an alcohol which has a pk = 16.09. What is the pl of this amino acid? Your answer should be to the nearest hundredths. a Answer:
The carboxylic acid group (COOH) in the side chain of Aspartic acid (shown below), one of the 20 naturally occurring amino acids, has a pKa of 4.1. Calculate the percentage of conjugate base (COO- ) for this carboxylic acid group in the side chain of Aspartate at the following pH values: 2.1 , 4.1 and 5.1.
For each blank below, add in the single letter abbreviation for the appropriate amino acid: Able to form disulfide bonds: Neutrally charged at pH 7, but positively charged at pH 5: Made by transaminating oxaloacetate: Encoded by the start codon: Has a sec-butyl side chain: The nucleophile in chymotrypsin: Similar to serine, but with an extra methyl group: Precursor to Urea in the Urea Cycle: Aromatic and can be phosphorylated
single letter abbreviation of all amino acids that correspond 4. Amino acids. The side chains of amino acids have a wide spectrum of chemical and physical properties. In each sp. provided below, write the single-letter abbreviations of all amino acids that match the description positively charged side chains at pH 7.4 negatively charged side chains at pH 7.4 negatively charged side chains at pH 12 achiral contains two chiral carbons side chain restricts the rotation of main chain contains carboxamide...
26. Which of the following classification does not match the amino acid side chain A) Contains an basic group/ lysine B) It is polar C) Forms disulfide bond/ cysteine D) Forms hydrogen bonds with neighbors/ alanine serine 27. All amino acids found in proteins are L-amino acids EXCEPT the achiral. A) glutamate B) Lysine C) glyeine D) Alamine 28. The plH at which the positive and negative charges of an amino acid balance each ofher is called the A) isotonic...
A non-natural amino acid has been synthesized. The carboxylic acid has a pk - 3.21, the protonated amine has a pk = 9.59, and the side chain contains an alcohol which has a pk = 16.09. What is the pl of this amino acid? Your answer should be to the nearest hundredths. a Answer: For each compound, indicate if it will or will not produce one of the 20 naturally occuring amino acids if used as the starting material in...