Abstract

Iodinated l-tyrosine–Sepharose was used as an affinity sorbent for the separation of porcine and human pepsins. The optimized conditions for pepsin adsorption as well as enzyme desorption were investigated. The following basic characteristics of the prepared affinity sorbent were determined: the recovery of the loaded enzyme, capacity of the affinity sorbent, concentration range of the linear dependence of bound pepsin on the applied enzyme, and the reproducibility of the experiments. The method described here cannot only be used for pepsin separation but also for analytical purposes.

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