BIOMOLECULES AND ENZYMES

Detailed explanation-1: -The -helix is one of the most common secondary structure motifs found in proteins and polypeptides and comprises a single strand of the polypeptide chain in a helical form with a right handed twist and is stabilized mainly by hydrogen bonds between C=Oi and N-Hi+4 groups within the same chain.

Detailed explanation-2: -All proteins are made of basic secondary structure units, either -helix or -sheets, determined by hydrogen bonding between the amino acids within a peptide chain. On a larger scale, structures are formed by the combination of these secondary structures, and these can form supersecondary structures known as “motifs”.

Detailed explanation-3: -The alpha helix (-helix) is a common motif in the secondary structure of proteins and is a right hand-helix conformation in which every backbone N−H group hydrogen bonds to the backbone C=O.

Detailed explanation-4: -The most common types of secondary structures are the helix and the pleated sheet. Both structures are held in shape by hydrogen bonds, which form between the carbonyl O of one amino acid and the amino H of another.

Detailed explanation-5: -An alpha helix is an element of secondary structure in which the amino acid chain is arranged in a spiral.