Insights into substrate binding at FeMo-cofactor in nitrogenase from the structure of an alpha-70Ile MoFe protein variant

PDB ID: 3K1A
Gene source organism: Azotobacter vinelandii
Expression organism: Escherichia coli Deposition date: 2009-09-26
Classification: OXIDOREDUCTASE
Keywords: NITROGEN FIXATION, MoFe protein, nitrogenase, isoleucine, proton reduction, nitrogen, acetylene, hydride reduction, ATP-binding, Iron, Iron-sulfur, Metal-binding, Nucleotide-binding, Oxidoreductase, Molybdenum
Technique: X-RAY DIFFRACTION
Assembly: 1
Resolution: 2.23
R-value: 0.20449
Metal site idBound amino acidsBound ligands IDs
3K1A-CA-1 D2E1R1 ARG D.108 ASP B.353 ASP B.357 GLU D.109 HOH B.835
3K1A-CA-2 D2E1R1 ARG B.108 ASP D.353 ASP D.357 GLU B.109 HOH D.599