Keith A. Johnson

Sulfur Transfer from IscS to IscU:  The First Step in Iron−Sulfur Cluster Biosynthesis

Archer D. Smith, Jeffrey N. Agar, Keith A. Johnson et al. · Journal of the American Chemical Society · 2001 · 187 citations

Natural Sciences, Biochemistry, Chemistry +13

Cation exchange–HPLC and mass spectrometry reveal C-terminal amidation of an IgG1 heavy chain

Keith A. Johnson, Kari Paisley-Flango, Bruce S. Tangarone et al. · Analytical Biochemistry · 2006 · 126 citations

Life Sciences, Biochemistry, Chemistry +17

Probing the Stoichiometry and Oxidation States of Metal Centers in Iron−Sulfur Proteins Using Electrospray FTICR Mass Spectrometry

Keith A. Johnson, Marc F. J. M. Verhagen, Phillip S. Brereton et al. · Analytical Chemistry · 2000 · 67 citations

Life Sciences, Biochemistry, Chemistry +16

Sex Differences in Longitudinal Tau-PET in Preclinical Alzheimer Disease

Gillian Coughlan, Hannah M Klinger, Rory Boyle et al. · JAMA Neurology · 2025 · 49 citations · Full text

Medicine, Geriatric Medicine, Neurology +17

Chemical and On-Line Electrochemical Reduction of Metalloproteins with High-Resolution Electrospray Ionization Mass Spectrometry Detection

Keith A. Johnson, Brian A. Shira, James L. Anderson et al. · Analytical Chemistry · 2001 · 40 citations

Natural Sciences, Biochemistry, Chemistry +16