Hydrophobic interactions:_ Quaternary structure: a. Complex biomolecule consisting of a string of amino acids b. Links amino acids together in a reaction that involves release of H20 c. Consists of two types, including alpha helices and beta sheets d. Collection of secondary structures to form domains within a single polypeptide chain e. Consists of an arrangement of several polypeptide chains f. Mediated by water forcing hydrophobic groups together g. Result of attractions between positively charged ions and negatively charged ions h. Highly complimentary interface involving ionic, hydrogen bonding, and van der Waals interactions that dominate i. Attraction between two atoms as result of fluctuations in the electron cloud that induces transient dipoles j. Bonds involving the sharing of electrons between two atoms Tertiary structure: Covalent bond: Polypeptide 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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