Chemical modification describes the modification, addition or removal, through chemical reaction, of any of a variety of macromolecules, including proteins and nucleic acids. It refers to the use ...

C-terminal amidation is a PTM that involves the addition of an amid group to the C-terminus of a peptide or protein. Currently there is no direct evidence to suggest that C-terminal amidation of ...

Some even act as catalysts, allowing chemical reactions to take place that would otherwise take place very slowly or not at all. Enzymes made of RNA are called "ribozymes." A group of researchers ...