Stephens, P J Circular dichroism and magnetic circular dichroism of nitrogenase proteins. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Jun 1979 - 2585-9 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.76.6.2585 doi Subjects--Topical Terms: Azotobacter--enzymologyCircular DichroismIron--analysisKlebsiella pneumoniae--enzymologyMagneticsMolybdenum--analysisNitrogenaseOxidation-ReductionProtein Conformation