Krupka RM, Deves R (1980)
The electrostatic contribution to binding in the choline transport system of erythrocytes
Journal of Biological Chemistry 255: 8546

Hellenbrand K, Krupka RM (1975)
The comparative biochemistry of mammalian and insect acetylcholinesterase with reference to the selective inhibition by organophosphates and carbamates
Croatica Chemica Acta 47: 345

Krupka RM (1975)
Methanesulphonyl fluoride : A probe of substrate interactions in the catalytic site of acetylcholinesterase
Croatica Chemica Acta 47: 299

Reiner E, Aldridge WN, Hopff WH, Taylor P, Krupka RM, Rosenberry TL, Augustinsson KB, Mooser G, O'Brien RD, Brodbeck U, Massoulie J, Maricic S, Eldefrawi ME, Silman I (1975)
General discussion on models for the ligand binding sites of cholinesterase
Croatica Chemica Acta 47: 499

Krupka RM, Hellenbrand K (1974)
Specific versus non-specific interactions of mammalian and insect acetylcholinesterase with substrates and reversible inhibitors
Biochimica & Biophysica Acta 370: 208

Hellenbrand K, Krupka RM (1970)
Kinetic studies on the mechanism of insect acetylcholinesterase
Biochemistry 9: 4665

Krupka RM (1967)
Evidence for an intermediate in the acetylation reaction of acetylcholinesterase
Biochemical Journal 6: 1183

Krupka RM (1966)
Chemical structure and function of the active center of acetylcholinesterase
Biochemistry 5: 1988

Krupka RM (1966)
Fluoride inhibition of acetylcholinesterase
Molecular Pharmacology 2: 558

Krupka RM (1966)
Hydrolysis of neutral substrates by acetylcholinesterase
Biochemistry 5: 1983

Krupka RM (1965)
Are identical catalytic groups involved in the acetylation and the deacetylation steps of acetylcholinesterase reactions?
Biochemical & Biophysical Research Communications 19: 531

Krupka RM (1965)
Acetylcholinesterase: structural requirements for blocking deacetylation
Biochemistry 4: 429

Krupka RM (1964)
Canadian Journal of Biochemistry 42: 677

Krupka RM (1964)
Acetylcholinesterase: trimethylammonium ion inhibition of deacetylation
Biochemistry 3: 1749

Krupka RM (1963)
The mechanism of action of acetylcholinesterase, substrats inhibition and the binding of inhibitors
Biochemistry 2: 76

Hein GE, Krupka RM, Laidler KJ (1962)
Multi-step mechanisms for cholinesterase activity
Nature 193: 1155

Krupka RM, Laidler KJ (1961)
Molecular mechanisms for hydrolytic enzyme action. I. Apparent non-competitive inhibition, with special reference to acetylcholinesterase. II. Inhibition of acetylcholinesterase by excess substrats. III. A general mechanism for the inhibition of acetylcholinesterase. IV. The structure of the active center and the reaction mechanism
Journal of the American Chemical Society 83: 1445

Krupka RM, Laidler KJ (1960)
The influence of pH on the rates of enzyme reactions. 6. Reactions catalyzed by acetylcholinesterase
Discussions of the Faraday Society 56: 1477