BIOCHEMISTRY (LOOSELEAF)-W/ACCESS
9th Edition
ISBN: 9781319425784
Author: BERG
Publisher: Macmillan Higher Education
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Question
Chapter 2, Problem 5P
Interpretation Introduction
Interpretation:
The following amino acids have R groups that have hydrogen-bonding potentials needs to be identified.
Ala, Gly, Ser, Phe, Glu, Tyr, Met, and Thr
Concept introduction:
Amino acids are organic compounds containing amino as well as
Here, R group is different for different amino acids. This group can be acidic, basic or neutral.
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Identify and encircle the peptide bonds in this polypeptide (Asp-Sec-Leu-Cys-Glu).
Biochemistry,based on the example,need help to
1)hand draw the dipeptides that contains Glutamic acid and Proline.
2)hand draw the tetra peptides that contains Glycine , Alanine,Glutamic acid and Proline.
What is the charge on the following peptide at standard biochemical pH?
S-Y-D-F-K-I-V-F-L-L
+2
-1
0 0
0-2
O +1
Chapter 2 Solutions
BIOCHEMISTRY (LOOSELEAF)-W/ACCESS
Ch. 2 - Prob. 1PCh. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Prob. 6PCh. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Prob. 9PCh. 2 - Prob. 10P
Ch. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - Prob. 17PCh. 2 - Prob. 18PCh. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21PCh. 2 - Prob. 22PCh. 2 - Prob. 23PCh. 2 - Prob. 24PCh. 2 - Prob. 25PCh. 2 - Prob. 26PCh. 2 - Prob. 27PCh. 2 - Prob. 28PCh. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - Prob. 31PCh. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34PCh. 2 - Prob. 35PCh. 2 - Prob. 36PCh. 2 - Prob. 37P
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- The tertiary structure of a protein is maintained by interactions between the side chains of amino acid residues one such interaction is between cysteine residues, sketch a covalent bond link that can form between side chains of two cysteine residues. Only relevant atoms that can form the link need to be shownarrow_forwardChemistry Draw the stable form of the peptide Ser-Trp-Glu-Asp-Cys-Asn at pH 10.40. Be sure to explicitly label every N, O, S as well as H that is not attached to carbon in the main chain and indicate a rectangle to identify the six atoms that are coplanar with the peptide bond between residue 2 and 3 in the peptidearrow_forwardthe peptide sequence in single letter code is T N C H P, please hand draw a peptide diagram satisfied the following conditions * Show the position of all ‘heavy’ atoms with the appropriate letter (C, N, O, S etc.) and indicate the number of attached hydrogen atoms (no skeletal structures allowed). * Show all double bonds and/or partial double bonds. * Draw all ionisable groups as their most highly populated state at pH 7. * Make the peptide bond between the fourth residue and proline the cis isomer. * Show all other peptide bonds as trans. * Show the alpha carbon of every residue as tetrahedral and the L isomer. * All trigonal planar groups must be shown explicitly with appropriate geometry. 2. Give the name and three letter code for each amino acid in the peptide. 3. At pH 7, approximately what charge would be on your peptide? Explain your answer. 4. Can your peptide form intra/interchain disulfide bonds? Explain why/why not. 5. Will your peptide absorb UV (either strongly, weakly…arrow_forward
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