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To Botox or Not to Botox, Why Not Peptide?
Posted by: Regina Jaramillo   •   Sunday, April 01, 2012
"Peptide" - From Wikipedia, the Free Encyclopedia:

Peptides (from the Greek πεπτος, “digestible”) are the family of short molecules formed from the linking, in a defined order, of various amino acids. The link between one amino acid residue and the next is an amide bond and is sometimes referred to as a peptide bond.
Proteins are polypeptide molecules (or consist of multiple polypeptide subunits). The distinction is that peptides are short and proteins are long. There are several different conventions to determine these, all of which have flaws. In order for a polypeptide to be a protein, it has to have some sort of biological function in the body.

One convention is that those peptide chains that are short enough to be made synthetically from the constituent amino acids are called peptides rather than proteins. However, with the advent of better synthetic techniques, peptides as long as hundreds of amino acids can be made, including full proteins like ubiquitin. Native chemical ligation has given access to even longer proteins, so this convention seems to be outdated.

Another convention places an informal dividing line at approximately 50 amino acids in length (some people claim shorter lengths). However, this definition is somewhat arbitrary — some peptides such as alzheimer’s beta peptide can be considered proteins and some proteins (such as insulin) are close to the upper limit for peptides. Because of the arbitrary nature of this definition, there is considerable movement within the scientific community to ascribe the more-specific definition that “a peptide is an amino acid molecule without secondary structure; on gaining defined structure, it is a protein.” Thus the same molecule can be either a peptide or a protein depending on its environment, though there are peptides that cannot be proteins.

Peptide Lotions are wonderful for the skin and again Sanitas has a great product.
     
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