Draw a pentapeptide, peptide sequence: IENAPE 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 the chirality of the alpha carbon of every residue as the L isomer (not required for Glycine). « • All trigonal planar groups must be shown explicitly with appropriate geometry. • Show all double bonds and/or partial double bonds.e • Draw all ionisable groups as their most highly populated state at pH 7.4 • Make the peptide bond between the fourth residue and proline the cis isomer.e Show all other peptide bonds as trans.

Draw a pentapeptide, peptide sequence: IENAPE 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 the chirality of the alpha carbon of every residue as the L isomer (not required for Glycine). « • All trigonal planar groups must be shown explicitly with appropriate geometry. • Show all double bonds and/or partial double bonds.e • Draw all ionisable groups as their most highly populated state at pH 7.4 • Make the peptide bond between the fourth residue and proline the cis isomer.e Show all other peptide bonds as trans.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The amino acids tyrosine, lysine and glycine are constituents of many proteins. HN CH COH CH₂ =0 H₂N-CH-C-OH OH tyrosine (CH₂) NH2 lysine H₂N CH-C-OH H glycine (a) State the reagents and conditions you could use to break proteins down into amino acids. (b) Draw a ring around each chiral centre in the above molecules. [2] [1] (c) In aqueous solution amino acids exist as zwitterions. Draw the zwitterionic structure of glycine. .[1] (d) For each of the following reactions, draw the structure of the organic compound formed. (i) glycine + excess NaOH(aq) (ii) tyrosine + excess NaOH(aq)