John A. Todhunter

Affiliations: 
Environmental Protection Agency, Chicago, IL, United States 
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"John Todhunter"
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Todhunter JA, Purich DL. (1977) Autophosphorylation of cardiac 3′,5′-cyclic AMP-stimulated protein kinase. Kinetic evidence for the regulatory subunit directly acting at the active site in the R2C2 complex Bba - Enzymology. 485: 87-94
Purich DL, Donald Allison R, Todhunter JA. (1977) On the rapid equilibrium assumption and the problem of distinguishing certain ordered and random enzyme kinetic mechanisms Biochemical and Biophysical Research Communications. 77: 753-759
Allison RD, Todhunter JA, Purich DL. (1977) Steady state and equilibrium exchange kinetic studies of the sheep brain glutamine synthetase reaction Journal of Biological Chemistry. 252: 6046-6051
Todhunter JA, Reichel KB, Purich DL. (1976) A kinetically important phosphoryl-enzyme intermediary in the intrinsic purine nucleoside-5'-diphosphokinase activity of Escherichia coli acetate kinase. Archives of Biochemistry and Biophysics. 174: 120-8
Webb BC, Todhunter JA, Purich DL. (1976) Studies on the kinetic mechanism and the phosphoryl-enzyme compound of the Escherichia coli acetate kinase reaction Archives of Biochemistry and Biophysics. 173: 282-292
Todhunter JA, Purich DL. (1975) Use of the sodium borohydride reduction technique to identify a γ glutamyl phosphate intermediary in the Escherichia coli glutamine synthetase reaction Journal of Biological Chemistry. 250: 3505-3509
Todhunter JA, Purich DL. (1974) Evidence for the formation of a γ-phosphorylated glutamyl residue in the Escherichia coli acetate kinase reaction Biochemical and Biophysical Research Communications. 60: 273-280
Todhunter JA, Purich DL. (1974) 5′-adenylylation and 5′-uridylation of N-acetyl tyrosine ethyl ester: A general synthesis of 5′-nucleotidylated tyrosyl residues Biochemical and Biophysical Research Communications. 59: 82-85
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