Classify each of the amino acids below. Note for advanced students: none of these amino acids are found in normal proteins. + H3N -CH-COO H3N CH-COO H3N CH COO CH2 CH NH3 CH2 S CH2 CH3 CH3 (Choose one) (Choose one) (Choose one) ▼ nonpolar polar neutral H3N —CH CAO HƠN CH COO polar acidic polar basic CH2 COO CH2 CH2 H3C CH3 NH2 (Choose one) (Choose one) (Choose one)
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- Please provide the amino acid sequence for the following protein using proper convention.Fill out the related information for all three amino acids in the chart. On a separate piece of paper provide calculations for all pl values; one a-amino group; one a-carboxyl group and all the ionizable R-groups. pKa table provided. pH = pKa + log (cb/ca)Indicate whether each of the following molecules is an alpha amino acid or not and explain why.
- Many bioactive compounds are derived from amino acids. This compound, found in trace amounts in mammalian brains and hypothesized to play a role as a neuromodulator or neurotransmitter, is derived from an amino acid through removal of the backbone carboxylic acid group. The amino acid from which it is derived must be: (Write out the entire name; Spelling matters, but case does not; Do not include L- or D- in the name; For acidic amino acids write the full name, e.g. “so-and-so acid”)Using proper convention, provide the amino acid sequence for the following peptide.Please clearly identify each numbered amino acid side chain, below. Your description should include the name or 3 letter code for the amino acid and the type (i.e., chemical class) of the amino acid. 1 4 OH OH CH, CH, CH2 CH2 CH, "H,N-C-C-0 "H,N-C-C-0 "H,N-C-C-0 _0-5-5-N H. H O H O HO но
- Draw the stereoisomers of the following amino acids. Indicate pairs of enantiomers and pairs of diastereomers. leucineCH3CHCH2 CHCOO−CH3 +NH3 isoleucineCH3CH2CH CHCOO−CH3Provide the correct three-letter abbreviation for the following amino acid: O || H₂N-CH-C-OH I CH₂ CH₂ C=O I NH₂Select the choice that best describes the stereochemistry of the following amino acid, and rank the priority of the four groups surrounding the alpha carbon (in DESCENDING order: 1-highest 4-lowest) NH₂ CO₂II CH₂SH Cysteine H D and S, (1-NH2, 2-CH2SH, 3-COOH, 4-H) Land R, (1-NH2, 2-COOH, 3-CH2SH, 4-H) OL and R, (1-NH2, 2-CH2SH, 3-COOH, 4-H) D and S, (1-CH2SH, 2-COQH, 3-NH2, 4-H) H
- Amino acid structure and composition: Assuming physiological pH conditions, draw the peptide backbone of a protein composed of four amino acids. The protein is a) overall positively charged b) capable of forming disulfide bond with another protein c) has two amino acid that can participate in hydrogen bond formation d) one peptide bond in cis conformation you must show the complete name, single letter abbreviation and structure of each amino acid. Make sure to highlight the peptide bond that is in cis conformationPlease provide the amino acid sequence for both of the following protein usingWhich of these amino acids is a basic amino acid? (Select all that apply, if necessary.) A. B. C. D. O MNCHI MCHEⓇ || H₂N- H₂N- CH-C- CH₂ CH₂ CH₂ C=O CH₂ Oe NH + C=NH2 NH₂ amino acid E amino acid D amino acid A amino acid B amino acid C H₂N-CH- CH₂ T CH₂ C=O T NH₂ H₂NⓇ 용_。 CH₂ CH-CH3 CH3 E. H₂N-CH-C-0 CH₂ OH