apoenzyme


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apoenzyme

[¦a·pō¦en‚zīm]
(biochemistry)
The protein moiety of an enzyme; determines the specificity of the enzyme reaction.
References in periodicals archive ?
An apoenzyme blank was also included in each assay to correct for endogenous PLP that might be present in the apoenzyme extract.
15) and Baines and Davies (16) have suggested that erythrocyte TDP concentrations determined by the apoenzyme recombination technique or by HPLC are a more sensitive index of thiamin status than the measurement of erythrocyte transketolase activity.
The cblE class may involve a reducing component of the MS system (84), whereas cblG is thought to be caused by defective MS apoenzyme (85,86).