Neutral Amino Acids
Amino acids which do not have any charge on them are neutral amino acids.
Globular Protein
The globular proteins refer to the shape of protein specifically spherical in nature apart from spherical form fibrous, disordered and membrane-bound proteins exist. These globular proteins are miscible in water and form a colloidal solution rather than other types which might not exhibit solubility. Many classes of the fold are found in globular proteins, which render them a sphere shape. Globular fold containing proteins usually are referred to by the term globin.
Dimer
Dimers are basic organic compounds, which are derivates of oligomers. It is formed by the combination of two monomers which could potentially be strong or weak and in most cases covalent or intermolecular in nature. Identical monomers are called homodimer, the non-identical dimers are called heterodimer. The method by which dimers are formed is known as “dimerization”.
Dipeptide
A dipeptide is considered a mixture of two distinct amino acids. Since the amino acids are distinct, based on their composition, two dipeptide's isomers can be produced. Various dipeptides are biologically essential and are therefore crucial to industry.
Devise a synthesis of each amino acid from acetaldehyde (CH3CHO):
(a) alanine
Strecker synthesis is method used for the preparation of amino acid from aldehyde. In this synthesis, firstly the aldehyde is treated with and to form aminonitrile. Aminonitrile is then treated with and to form the required amino acid.
In the synthesis of alanine, firstly acetaldehyde is reacted with and to prepare aminonitrile. attacks on the carbonyl carbon of acetaldehyde to form the intermediate species. attacks on the carbon atom bonded to nitrogen to form aminonitrile.
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