Peptides

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Definition of Peptides: (Greek from πεπτος, meaning "digestible"). Peptides are a family of short molecules formed from two to 50 amino acids long . Amino acid residues are linked to each other with an amide bond, referred also as a peptide bond.

 

Peptides , are short molecules formed from the linking, of α-amino acids in a defined order as determined by the genetic code. The link between two amino acid residues is a peptide bond.

Proteins are polypeptide molecules. The difference between peptides and proteins is that peptides are short and proteins are long. There is no right convention to distinguish between the two.

According to how peptides are produced that is how they are classified. There are three large classes of peptides. These include Ribosomal Peptides, Non-ribosomal peptides, and Digested Peptides.

 

Similar to proteins, peptides are poly-amino acid molecules. The difference between peptides and proteins is that peptides are short molecules, whereas proteins are much longer.

Peptides can be from 2 to 50 amino acids long.

Proteins are longer than 50 amino acids.