Table 27.2 pK, Values for lonizable Groups of Amino Acids pK of a-COOH pK, of a-NH, pK, of Side Chain Isoelectric Amino Acid Point (pl) Alanine 2.35 9.87 6.11 Arginine 2.01 9.04 12.48 10.76 Asparagine 2.02 8.80 5.41 Aspartic acid 2.10 9.82 3.86 2.98 Cysteine 2.05 10.25 8.00 5.02 Glutamic acid 2.10 9.47 4.07 3.08 Glutamine 2.17 9.13 5.65 - Glycine 2.35 9.78 6.06 - Histidine 1.77 9.18 6.10 7.64 Isoleucine 2.32 9.76 6.04 Leucine 2.33 9.74 6.04 Lysine 2.18 8.95 10.53 9.74 Methionine 2.28 9.21 5.74 Phenylalanine 2.58 9.24 5.91 Proline 2.00 10.60 6.30 Serine 2.21 9.15 5.68 Threonine 2.09 9.10 5.60 Tryptophan 2.38 9.39 5.88 Tyrosine 2.20 9.11 10.07 5.63 Valine 2.29 9.72 6.00

Question

Write the form of lysine most prevalent at pH 1.0 and then show its reaction with the following. Consult Table 27.2 for pKa values of the ionizable groups in lysine.

Q.) 2 mol NaOH

Table 27.2
pK, Values for lonizable Groups of Amino Acids
pK of
a-COOH
pK, of
a-NH,
pK, of
Side Chain
Isoelectric
Amino Acid
Point (pl)
Alanine
2.35
9.87
6.11
Arginine
2.01
9.04
12.48
10.76
Asparagine
2.02
8.80
5.41
Aspartic acid
2.10
9.82
3.86
2.98
Cysteine
2.05
10.25
8.00
5.02
Glutamic acid
2.10
9.47
4.07
3.08
Glutamine
2.17
9.13
5.65
-
Glycine
2.35
9.78
6.06
-
Histidine
1.77
9.18
6.10
7.64
Isoleucine
2.32
9.76
6.04
Leucine
2.33
9.74
6.04
Lysine
2.18
8.95
10.53
9.74
Methionine
2.28
9.21
5.74
Phenylalanine
2.58
9.24
5.91
Proline
2.00
10.60
6.30
Serine
2.21
9.15
5.68
Threonine
2.09
9.10
5.60
Tryptophan
2.38
9.39
5.88
Tyrosine
2.20
9.11
10.07
5.63
Valine
2.29
9.72
6.00
View transcribed image text
Expand

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Organic Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: Can i get help on this problem please

A: Click to see the answer

Q: determine the minium mass of proprane that must cimbust in order to provide enough energry 4.70 kg o...

A: Click to see the answer

Q: Write the condensed structural formula of the following alcohols and their classification.a. 2-hepta...

A: Condensed structural: Condensed structural show the order of atoms like a structural formula but are...

Q: An atom has four energy levels. How many lines are in its emission spectrum? In its absorption spect...

A: When light falls on an atom, a part of it is absorbed causing the electrons in the ground state to r...

Q: 3. 1986 B Three volatile compounds X, Y, and Z each contain element Q. The percent by weight of elem...

A: a)  the vapour density of compound X =w/V= 3.53 g/L From ideal gas equation , P=750/760 = 0.9868 atm...

Q: what is pharmacokinetics

A: Click to see the answer

Q: Hydrogen sulfide is a gas with the odor of rotten eggs. The gas can sometimes be detected inautomobi...

A: The molecular formula of hydrogen sulfide is H2S. The ratio of atoms in the hydrogen sulfide molecul...

Q: how many atoms are in 8.8×10^−2 g Sr

A: Strontium (Sr) has an atomic number of 38 and it has an atomic mass of 87.62 u. This means one mole ...

Q: What is the Doppler-shifted wavelength of a red (680 nm) traffic light approached at 60 km h−1?

A: Doppler effect refers to the change in the frequency of wave in between a relative motion of a wave ...

Q: 5. A student used 23.21 mL of titrant to reach the endpoint of a titration of 0.2000 g sample of KHP...

A: Click to see the answer

Q: A metallic oxide is 40.06% oxygen. The metal has a 4+ charge. What is the metal?

A: Click to see the answer

Q: If you are traveling to nevada and it takes 458.2 miles to get there from Coalinga, how fast will yo...

A: Click to see the answer

Q: Balance the oxidation-reduction reactions that occur in basic solution using the half-reaction metho...

A: Click to see the answer

Q: Why are these names wrong, what is the correct name for both? Draw the structures.

A: The naming of the organic species will be done with the help of the IUPAC rule. The IUPAC rule is st...

Q: Please solve the following

A: It is possible that signals in 1H-NMR splits into more than one peaks which are known as the multipl...

Q: Amobarbital is a sedative marketed under the trade name Amytal. Propose a synthesis of amobarbital, ...

A: Structure of Amobarbital is,

Q: How many atoms of oxygen are contained in 47.6g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99g...

A: Given: mass of Al2(CO3)3 =47.6 g molar mass of Al2(CO3)3 = 233.99 g/mol Avagadro number NA = 6.022×1...

Q: Can someone help me answer this acid/base problem?

A: Click to see the answer

Q: What will be the coefficient of carbon dioxide in the balanced equation? C2H6 + O2 → H2O + CO2

A: Ethane ( C2H6 ) reacts with oxygen ( O2 ) to form water ( H2O ) and carbon dioxide ( CO2 ) gas. In t...

Q: write the correct formula for magnesium acetate

A: The formula of magnesium acetate has to be determined. Magnesium acetate is a magnesium salt of acet...

Q: Without doing any calculations, determine the sign of AS, for each chemical reaction. a. Mg(s) + Cl(...

A: Entropy is the unit of randomness. Change in entropy i.e ∆S can be calculated by subtracting the ent...

Q: Calculate the volume in liters of a  0.00482/mmolL  calcium sulfate solution that contains  200.g...

A: Given: Mass of calcium sulphate is 200 g Molarity of calcium sulphate solution is 0.00482 mmol/L Fir...

Q: When benzene is treated with I2 in the presence of CuCl2, iodination of the ring is achieved with mo...

A: This is an example of aromatic electrophilic substitution reaction. The reaction is accomplished in ...

Q: Why is neutron activation analysis (NAA) useful to art his-torians and criminologists?

A: Click to see the answer

Q: What amide(s) will form attached amines on treatment with LiAlH4?

A: Given amine:

Q: Calculate the volume in liters of a  /0.0127gL  silver oxide solution that contains  125.mg  of ...

A: Given: To find: Volume in L Formula:  

Q: Predict the position of equilibrium for this acid-base reaction. CH,NH, + CH,COOH=CH,NH,' + CH,COO

A: Click to see the answer

Q: Predict the major products of the following reactions:

A: Click to see the answer

Q: At 0 °C liquid water and ice are in equilibrium. What is the effect on the difference in molar Gibbs...

A: Density of ice is 0.9150 g/cm3 Density of water is 0.9999 g/cm3 Gm(pf) and Gm(pi) are related as:

Q: I am stuck! Can someone please help me answer this acid/base problem? (Screen Shot)

A: Acid and base: In an acid-base reaction, a species that donates proton is an acid while the species ...

Q: Everything needed is included. Using information available on the data page, calculate the total hea...

A:                                                         Firstly, we will convert the amount of metha...

Q: Predict the charge of the ion formed by each element and write the electron configuration of the ion...

A: Atoms acquire charge when they loose or gain  electrons.Electrons are lost and gained by the electro...

Q: Calculate moles of barium chloride in 427g of 3.81% by mass. Barium chloride solution

A: Click to see the answer

Q: Indicate using true or false for each of the following statements: 7. The pH of a solution containin...

A: The pKb of ephedrine is calculated by using the formula pKb = -log [Kb]. The pKb of ephedrine is equ...

Q: You know that the air around you is full of nitrogen, yet your garden regularly shows signs that it ...

A: Click to see the answer

Q: Which are Lewis acids and which are Lewis bases?(a) BF₃(b) S²⁻(c) SO₃²⁻(d) SO₃

A: The molecules in which central atom is electron deficient and hence,can accept lone pair of electron...

Q: Can you please answer question 11.98 and show the step by step to the solution please and thank you

A: osmotic pressure = 4.85 atm Temperature ( T) = 300 k Osmotic pressure = CiRT

Q: Convert 1010 nm to meters.

A: Click to see the answer

Q: A titanium ore contains rutile (TiO2) plus some oxides of iron and silica. When it is heated with ca...

A: Reaction: TiO2 + C + Cl2 ---> TiCl4 + Cl2 molecular mass of TiO2 = 79.866 g/mol molecular mass of...

Q: How do I determine what the IUPAC name of this compound is? Both elements are Br

A: The given compound can be numbered to get the triple bond as least number is follows,

Q: Write any three differences between Physisorption and Chemisorption.

A: Click to see the answer

Q: To what volume should you dilute 133 mL of a 7.90 M CuCl2 solution so that 51.5 mL of the diluted so...

A: from molarity of initial solution calculate mole of copper Sulphate And then amount of copper sulpha...

Q: For the reaction 2 C6H5COOH(s) + 15 O2(g) → 14 CO2(g) + 6 H2O(g), ΔrU⦵ = −772.7 kJ mol−1 at 298 K. C...

A: Click to see the answer

Q: Name the coenzymes that provide a strong base.

A: Click to see the answer

Q: A 40.0 mL volume of 1.80 Fe(NO3)3 is mixed with 21.5 mL of 0.808 M Fe(NO3)3 solution. Calculate the ...

A: Given, A 40.0 mL volume of 1.80 Fe(NO3)3 is mixed with 21.5 mL of 0.808 M Fe(NO3)3 solution, i.e. Vo...

Q: Following the rule that each atom of carbon, oxygen, and nitrogen reacts to achieve a complete outer...

A: Click to see the answer

Q: For the listed solvents provide their structure in bond line notation, draw the overall polarity of ...

A: Click to see the answer

Q: The following molecule contain two aromatic rings.Which ring in each undergoes electrophilic aromati...

A: Click to see the answer

Q: The reaction PCl3 + Cl2 <=>PCl5 has Kp =0.0870 at 300 °C. A flask is charged with 0.50 atm PCl...

A: Kp = 0.087 The concentration of PCl3 = 0.50 atm PCl5 = 0.20 atm Cl2 = 0.50 atm

Q: Reaction of p-cresol with two equivalents of 2-methylprop-1-ene affords BHT, a preservative with mol...

A: Given:

Transcribed Image Text

Table 27.2 pK, Values for lonizable Groups of Amino Acids pK of a-COOH pK, of a-NH, pK, of Side Chain Isoelectric Amino Acid Point (pl) Alanine 2.35 9.87 6.11 Arginine 2.01 9.04 12.48 10.76 Asparagine 2.02 8.80 5.41 Aspartic acid 2.10 9.82 3.86 2.98 Cysteine 2.05 10.25 8.00 5.02 Glutamic acid 2.10 9.47 4.07 3.08 Glutamine 2.17 9.13 5.65 - Glycine 2.35 9.78 6.06 - Histidine 1.77 9.18 6.10 7.64 Isoleucine 2.32 9.76 6.04 Leucine 2.33 9.74 6.04 Lysine 2.18 8.95 10.53 9.74 Methionine 2.28 9.21 5.74 Phenylalanine 2.58 9.24 5.91 Proline 2.00 10.60 6.30 Serine 2.21 9.15 5.68 Threonine 2.09 9.10 5.60 Tryptophan 2.38 9.39 5.88 Tyrosine 2.20 9.11 10.07 5.63 Valine 2.29 9.72 6.00