In x-ray studies of crystalline peptides, Linus Pauling and Robert Corey found that the C-N bond in the peptide link is intermediate in length (1.32 Å) between a typical C-N single bond (1.49 Å) and a C=N double bond (1.27 Å). They also foun that the peptide bond is planar (all four atoms attached to the C-N group are located in the same plane) and that the two a-carbon atoms attached to the C-N are always trans to each other (on opposite sides of the peptide bond). What does the length of the C-N bond in the peptide linkage indicate about its strength (i.e., whether it is single, double, or triple)? The C-N peptide bond has similar strength to a C=N bond. The C-N peptide bond is stronger than a C=N bond. The C-N peptide bond has similar strength to a C—N single bond. The C-N peptide bond is stronger than a C-N single bond.
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.
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