Protein Thioether Crosslinks Installed by a SPASM-Containing Radical SAM Enzyme from Methanogenic Archaea
Cysteine is a vital amino acid with wide biological utility, serving functions in catalysis, ligand binding, and maintenance of protein structures. In a subset of natural products, termed ribosomally synthesized and post-translationally modified peptides (RiPPs), multiple subclasses are defined by the enzymatic modific...