Vitamin K dependent modifications of glutamic acid residues in prothrombin by J. Stenflo and others 2026-11-05
PNAS71(7),2730–2733 (1974); DOI10.1073/pnas.71.7.2730. Authors J. Stenflo, P. Fernlund, W. Egan and P. Roepstorff. Abstract: anomalous electrophoretic mobility, nuclear magnetic resonance and mass spectrometry identified gamma-carboxyglutamic acid in prothrombin.