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Lysine (pH = 12) Cysteine (pH = 2) glutamic acid (pH = 7) CH2 CH2 CH₂ NH3
What is the structural formula of glutamic acid (pl = 3.2) at pH = 1? O...
What is the structural formula of glutamic acid (pl = 3.2) at pH = 1? O NH₂ H-¢-CH2-CH2-COOH COOH NH2 H- CH2-CH3 -COOH Coo Ô NH3 H-C-CH2-CH2-Coo Coo O NHO H-C-CH2-CH-COO coo H C -CH-CH2-COOH COOH MacBook Pro F4
7. Below is the structure of lysine in its hypothetical neutral form. Choose the structure of...
7. Below is the structure of lysine in its hypothetical neutral form. Choose the structure of lysine as it would exist in aq. solution at neutral pH. O HN-CH-C-OH CH CH CH CH NH2 lysine . HUN-CH-C- CH-8- -OH ---- H2N-CH HN- OH CH2 H₂N-CH 1 CH2 CH2 1 CH2 H₂N -CH- CH2 CH2 CH2 CH2 CH2 CH CH CH2 CH CH2 CH2 CHE CH2 CH2 NH CH2 CH2 NHS NHS NH3 E NH2 D с B А
7. Below is the structure of lysine in its hypothetical neutral form. Choose the structure of...
7. Below is the structure of lysine in its hypothetical neutral form. Choose the structure of lysine as it would exist in aq. solution at neutral pH. H2N-CH-C-OH CH2 CH2 CH2 1 CH2 1 NH2 lysine O HNCH CH-Z8 OH =ç«-&_• HN-CH- CH2 HUN-CH 1 CH2 CH2 HEN-CH CH2 CH2 CH2 CH2 1 NH2 HENCH CH2 CH 1 CH2 CH H2N-CH CH2 CH2 CH2 CH2 NH, CH2 CH2 CH2 CH2 NH3 CH2 @NH @NH A B С D E
calculate the PI of lysine and glutamic acid pk1=2 pk2=8 pkp=4 pkp2=10
calculate the PI of lysine and glutamic acid pk1=2 pk2=8 pkp=4 pkp2=10
4. Write out the 10 structure for the following polypeptide: он он HyN-CH-C-N-CH-C-N-CH-COO CH2 CH-OH CH...
4. Write out the 10 structure for the following polypeptide: он он HyN-CH-C-N-CH-C-N-CH-COO CH2 CH-OH CH C-NH2 CH3 COO 5. Illustrate the possible 2° structure interactions in the following polypeptide: R. 6. Identify the type of 3° structure interaction that will occur between the following pairs of amino acids: a) Aspartic acid and lysine b) Serine and tyrosine c) Leucine and valine d) Cysteine and cysteine 7. Draw out the products of the hydrolysis of the following polypeptide: HsN CH-C-N-C-C-N-C-C-N-CH-C-N-CH-COo...
#1) For the following pentapeptide (Where pH =1): a) What would the net charge be for...
#1) For the following pentapeptide (Where pH =1):
a) What would the net charge be for the following pH?
pH 0 =
pH 3 =
pH 5 =
pH 7 =
pH 10 =
pH 13 =
b) Calculate the pl of the pentapeptide. (Cysteine: pK1 = 1.96,
pK2 = 10.128) ( Glutamine: pK1 = 2.17 , pK2 = 9.13) (Arginine: pK1
= 2.17. pK2 = 9.04) (Leucine: pK1 = 2.36 , pK2 = 9.60)
c) If you were to...
1) Which of the following is an amino acid? A) e R-CH-CH2-C00R -CH-CooR -CH-C-CO ile R-CH-C-NH3...
1) Which of the following is an amino acid? A) e R-CH-CH2-C00R -CH-CooR -CH-C-CO ile R-CH-C-NH3 R-C=CH-Coo NH3 NH3 NH3 ONH 3 D) coo B) E) 2) Which of the following amino acids has a sulfur in the R group? A) serine B) cysteine C) asparagine D) tyrosine E) leucine 3) Which of the following terms describes the side chain of valine? A) acidic B) basic C) charged, polar D) uncharged, polar E) nonpolar 4) Which of the following is...
Calculate the pI of a peptide containing Serine, Threonine, Arginine, Glutamic acid, Cysteine and Histidine? Peptide...
Calculate the pI of a peptide containing Serine, Threonine, Arginine, Glutamic acid, Cysteine and Histidine? Peptide written out is: STRETCH
Which of the pairs of amino acids can form a salt bridge at physiological pH? lysine...
Which of the pairs of amino acids can form a salt bridge at physiological pH? lysine and glutamic acid two cysteines arginine and tyrosine glutamic acid and aspartic acid aspartic acid and histidine
The correct structure for Lysine at pH 2.5 is: O H2N-CH-C 0 *HAN-CH=C- o H2N-CH-C-OH "HN-CH-C-OH...
The correct structure for Lysine at pH 2.5 is: O H2N-CH-C 0 *HAN-CH=C- o H2N-CH-C-OH "HN-CH-C-OH CH2 CH2 CH2 CH2 CH CH CH2 CHE ÇH₂ NH2 NH, NH NH" b
What is the structural formula of glutamic acid (pl = 3.2) at pH = 1? O NH₂ H-¢-CH2-CH2-COOH COOH NH2 H- CH2-CH3 -COOH Coo Ô NH3 H-C-CH2-CH2-Coo Coo O NHO H-C-CH2-CH-COO coo H C -CH-CH2-COOH COOH MacBook Pro F4
7. Below is the structure of lysine in its hypothetical neutral form. Choose the structure of lysine as it would exist in aq. solution at neutral pH. O HN-CH-C-OH CH CH CH CH NH2 lysine . HUN-CH-C- CH-8- -OH ---- H2N-CH HN- OH CH2 H₂N-CH 1 CH2 CH2 1 CH2 H₂N -CH- CH2 CH2 CH2 CH2 CH2 CH CH CH2 CH CH2 CH2 CHE CH2 CH2 NH CH2 CH2 NHS NHS NH3 E NH2 D с B А
7. Below is the structure of lysine in its hypothetical neutral form. Choose the structure of lysine as it would exist in aq. solution at neutral pH. H2N-CH-C-OH CH2 CH2 CH2 1 CH2 1 NH2 lysine O HNCH CH-Z8 OH =ç«-&_• HN-CH- CH2 HUN-CH 1 CH2 CH2 HEN-CH CH2 CH2 CH2 CH2 1 NH2 HENCH CH2 CH 1 CH2 CH H2N-CH CH2 CH2 CH2 CH2 NH, CH2 CH2 CH2 CH2 NH3 CH2 @NH @NH A B С D E
4. Write out the 10 structure for the following polypeptide: он он HyN-CH-C-N-CH-C-N-CH-COO CH2 CH-OH CH C-NH2 CH3 COO 5. Illustrate the possible 2° structure interactions in the following polypeptide: R. 6. Identify the type of 3° structure interaction that will occur between the following pairs of amino acids: a) Aspartic acid and lysine b) Serine and tyrosine c) Leucine and valine d) Cysteine and cysteine 7. Draw out the products of the hydrolysis of the following polypeptide: HsN CH-C-N-C-C-N-C-C-N-CH-C-N-CH-COo...
#1) For the following pentapeptide (Where pH =1):
a) What would the net charge be for the following pH?
pH 0 =
pH 3 =
pH 5 =
pH 7 =
pH 10 =
pH 13 =
b) Calculate the pl of the pentapeptide. (Cysteine: pK1 = 1.96,
pK2 = 10.128) ( Glutamine: pK1 = 2.17 , pK2 = 9.13) (Arginine: pK1
= 2.17. pK2 = 9.04) (Leucine: pK1 = 2.36 , pK2 = 9.60)
c) If you were to...
1) Which of the following is an amino acid? A) e R-CH-CH2-C00R -CH-CooR -CH-C-CO ile R-CH-C-NH3 R-C=CH-Coo NH3 NH3 NH3 ONH 3 D) coo B) E) 2) Which of the following amino acids has a sulfur in the R group? A) serine B) cysteine C) asparagine D) tyrosine E) leucine 3) Which of the following terms describes the side chain of valine? A) acidic B) basic C) charged, polar D) uncharged, polar E) nonpolar 4) Which of the following is...
The correct structure for Lysine at pH 2.5 is: O H2N-CH-C 0 *HAN-CH=C- o H2N-CH-C-OH "HN-CH-C-OH CH2 CH2 CH2 CH2 CH CH CH2 CHE ÇH₂ NH2 NH, NH NH" b
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