@article{3042084, title = "KINETICS OF PROTEIN-MODIFICATION REACTIONS - DETERMINATION OF THE FRACTIONAL CONCENTRATION OF ENZYME PROTEIN GROUPS, OR GROUP REACTIVITIES, ESSENTIAL FOR CATALYTIC FUNCTION", author = "RAKITZIS, ET and MALLIOPOULOU, TB", journal = "Biochemical Journal", year = "1986", volume = "237", number = "2", pages = "589-591", publisher = "PORTLAND PRESS LTD", issn = "0264-6021, 1470-8728", doi = "10.1042/bj2370589" }