Question

29. Three amino acids are given below:
Alanine CH3CH(COOH)(NH2) Aspartic acid HOOC-CH2CH(COOH)(NH2) and Lysine H2N-
(CH2)-CH(COOH)(NH2)
i. Make two tripeptides using these amino acids and mark the peptide linkage in both cases.
ii. Represent Alanine in the zwitter ionic form.​

Answer 1

Explanation is given below.

Explanation:

• A tripeptide may be a peptide derived from two or occasionally three peptide bonds connected by three amino acids.
• As for proteins, the function of peptides is determined by the quality and sequence of amino acids.
• Glycylglycylglycine is the safest tripeptide. In terms of clinical study, glutathione (γ-L-Glutamyl-L-cysteinylglycine) is the main tripeptide, which has multiple functions in many varieties of life.
• Refer the attached image for the tripetides.
• Zwitterion is sometimes referred to as Zwitter Ionic form. And inside the solid state, this may be the form in which amino acids reside.
• An simple solution also contains this ion if you dissolve the organic compound in water.
• A zwitterion can be a compound with no electrical overall charge, but which includes different positively and negatively charged components.
• Refer the attached image for Alanine.

Answer 2

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