The Cell BriefCategory
Basics
How peptides work, from amino acids to receptors.
The Cell BriefBasics
Five Peptides Your Body Makes Every DayInsulin, oxytocin, GLP-1, ghrelin and beta-endorphin are all peptides. Here is where each one is made and what message it carries.
The Cell BriefBasics
What Is a Peptide? Letters, Words and BooksAmino acids are letters, peptides are short words and proteins are books. Here is what a peptide is and why it makes such a good messenger.