Issue 18, 1978

Evidence for a dissociative SN1(P) mechanism of phosphoryl transfer by rabbit muscle pyruvate kinase

Abstract

Pyruvate kinase from rabbit muscle catalyses the randomisation of 18O between Pβ18O2 and Pγ–O–Pβ in adenosine 5′[αβ-18O,β18O2]-triphosphate in the presence of pyruvate and oxalate and in their absence, the first order rate constants being 2·0 × 103, 2·0 × 102, and 1·1 × 102 min–1, respectively, which indicates that phosphoryl transfer occurs by a dissociative SN1(P) mechanism.

Article information

Article type
Paper

J. Chem. Soc., Chem. Commun., 1978, 783-785

Evidence for a dissociative SN1(P) mechanism of phosphoryl transfer by rabbit muscle pyruvate kinase

G. Lowe and B. S. Sproat, J. Chem. Soc., Chem. Commun., 1978, 783 DOI: 10.1039/C39780000783

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