Pyruvate Kinase (PK) from rabbit muscle Roche

ATP: pyruvate 2-O-phosphotransferase
EC 2.7.1.40
Specific activity: approx. 200 U/mg at 25°C with PEP as the substrate
Stability: stable at -15 to -25°C; some turbidity may occur

Solution in 50% glycerol (v/v), pH approximately 6

Contaminants: <0.001% GK, <0.002% HK, “NADH oxidase”, and ATPase each, <0.01% enolase, LDH, and myokinase each