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In vitro inhibition of Ca+2 ATPase by methylparathion in prawn: a kinetic approach
1Department of Marine Zoology, Sri Venkateswara University Post-Graduate Centre (A.P), India.
Biochemistry International
|December 1, 1990
Abstract:
After in vitro addition of IC50 concentration of methylparathion on Ca+2 ATPase in nervous and hepato-pancreatic tissues of prawn were studied. The inhibitory pattern of Ca+2 ATPase elucidate the interaction of methylparathion with ATPase system. The significant decrease in maximal velocity (Vmax) without appreciable change in apparent Michaelis-Menten constant (Km) suggests that the impact of methylparathion on Ca+2 ATPase is independent of substrate and is of a classical non-competitive type.