Peptides comprise of amino acid chains that are connected to each other through amide bonds and they are also recognized as peptide bonds. These form one diverse group of composites due to various naturally occurring amino acids plus the high potential inconsistency of residues which form the peptide. The sum of amino acids which a peptide contains is specified by one prefix, like tri-, di-, tetrapeptide. Low-molecular-weight peptides are referred to peptides which have 10 or lesser residues. On the contrary, polypeptides mean peptides that have higher molecular weights. Though the transformation of protein from polypeptide isn’t known to many, yet proteins are classed as compounds that have minimum 100 residues.
Uses of Peptides
Peptides have huge uses in industry and medicine and they are used for everything starting from sweetening coffee to healing. Various uses of peptides include:
- Anti-aging creams – The manufacturers of anti-aging creams buy peptides because these creams contain various peptides that are habitually taken from ocean plants, like sea fennel, sea jasmine, and sea beet. The peripheral use of peptides which are absorbed into your skin artifices your body into transporting collagen production in higher gear particularly when compared with the lesser collagen production rates. When there is more collagen, there is more elasticity and more elasticity means fewer wrinkles.
- Anti-microbial treatments – According to various studies, it has been concluded that some peptides perform their job as fast-acting antibiotics because they harm the wall of the cell of the invading pathogen and this makes bacteria few mutation defenses.
- Important body purposes – Peptides do occur in each and every cell of living things. They have got countless functions that include producing enzymes for aiding your body in breaking down external substances and creating antibiotics for the hormones and immune system and they control everything, like growth, sexual development etc. Without peptides, your life is not difficult, but impossible.
Difference between peptides and proteins
Actually, peptides and proteins are considered important composites of cells which carry out vital biological roles. Proteins provide cells their shape like they give a response to signals that are conveyed by the extracellular setting. There are certain kinds of peptides which play important roles in regulating the actions of other molecules. Both peptides and proteins have a similar structure and both of them are produced from amino acid chains which are held together via peptide bonds. So, apparently both these compounds are quite alike but they are different from each other based on their structure and size.
Peptides are comparatively smaller compared to proteins. Peptides are known as molecules which comprise of amino acids between 2 and 50. On the other hand, proteins are produced from 50 or more than 50 amino acids. Additionally, peptides have less well-defined structured compared to proteins which can assume complex conformations, called tertiary, quaternary, and secondary structures. In fact, there are functional distinctions between these two compounds. Peptides are generally referred to as oligopeptides and these contain very less amino acids, such as 2-20, whereas polypeptides contain numerous amino acids. On the contrary, proteins are developed from one or more than one polypeptide that is joined together.To buy peptides, you can visit numerous online vendors but they must be reputed ones.