title: Waltzing around cofactors.
abstract: The metallocofactor involved in fixing nitrogen is not a rigid scaffold, as was previously thought.
authors: Department of Chemistry, Massachusetts Institute of Technology, Cambridge, United States.
authors: Percival Yang-Ting
authors: PY
authors: Chen
authors: Department of Chemistry, Massachusetts Institute of Technology, Cambridge, United States.
authors: Elizabeth C
authors: EC
authors: Wittenborn
authors: Departments of Chemistry and Biology and the Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, United States.
authors: Catherine L
authors: CL
authors: Drennan
mesh_terms: D001426:Bacterial Proteins / Q000378:metabolism*; D007501:Iron; D009586:Nitrogen Fixation
chemical_list: D001426:Bacterial Proteins; D007501:Iron
keywords: Azotobacter vinelandii; biochemistry; biophysics; iron sulfur proteins; metalloproteins; nitrogen fixation; structural biology