Zymogen activation system

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/62 (2006.01) C12N 9/64 (2006.01) C12N 15/57 (2006.01) C12N 15/63 (2006.01) C12N 15/79 (2006.01) C12P 21/06 (2006.01)

Patent

CA 2372907

We describe the DNA sequences encoding an expression vector system that will permit, through limited proteolysis, the activation of expressed zymogen precursor of (S1) serine proteases in a highly controlled and reproducible fashion. The processed expressed protein, once activated, is rendered in a form amenable to measuring the catalytic activity. This catalytic activity of the activated form, is often a more accurate representation of the mature S1 protease gene product relative to the unprocessed zymogen precursor. Thus, this series of zymogen activation constructs represents a significant system for the analysis and characterization of serine protease gene products.

L'invention concerne les séquences d'ADN codant un système de vecteurs d'expression qui permettra, grâce à une protéolyse limitée, l'activation du précurseur zymogène exprimé de protéases de la sérine (S1) d'une manière reproductible et hautement contrôlée. Traitée, la protéine exprimée, une fois activée, est rendue dans une forme appropriée pour mesurer l'activité catalytique, laquelle, sous la forme activée, est souvent une représentation plus précise du produit génique de la protéase S1 mature par rapport au précurseur zymogène non traité. Cette série de constructions d'activation zymogène représente donc un système important d'analyse et de caractérisation de produits géniques de la protéase de la sérine.

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