title: Direct observation of a transient tyrosine radical competent for initiating turnover in a photochemical ribonucleotide reductase.
authors.affiliation: Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139-4307, USA.
authors.forename: Steven Y
authors.initials: SY
authors.lastname: Reece
authors.forename: Mohammad R
authors.initials: MR
authors.lastname: Seyedsayamdost
authors.forename: JoAnne
authors.initials: J
authors.lastname: Stubbe
authors.forename: Daniel G
authors.initials: DG
authors.lastname: Nocera
mesh_terms: D001665:Binding Sites; D004926:Escherichia coli / Q000201:enzymology; D005609:Free Radicals / Q000737:chemistry / Q000528:radiation effects; D008027:Light; D015394:Molecular Structure; D009942:Organometallic Compounds / Q000737:chemistry / Q000528:radiation effects; D010777:Photochemistry; D017434:Protein Structure, Tertiary; D012211:Rhenium / Q000737:chemistry / Q000528:radiation effects; D012264:Ribonucleotide Reductases / Q000737:chemistry* / Q000528:radiation effects; D014443:Tyrosine / Q000737:chemistry* / Q000528:radiation effects
chemical_list: D005609:Free Radicals; D009942:Organometallic Compounds; D014443:Tyrosine; D012211:Rhenium; D012264:Ribonucleotide Reductases