[Kinetics of low molecular weight substrate hydrolysis by immobilized trypsin]. 1979

V G Samsonov, and O A Mirgorodskaia, and B V Moskvichev

The catalytic properties of trypsin immoblized on silochrome were studied in a flow reactor with replacement. The hydrolysis of methyl ester N-n-tosyl-L-arginine obeys the Michaelis--Menten kinetics. The apparent K'm value for the system with immobilized trypsin is considerably lower than for native trypsin. The K'm value was decreased with an increase in the rate of the substrate flow through the reactor or when smaller-sized silochrome granules were used. It is assumed that the apparent K'm value for the immobilized system is due to diffusion. The effects of diffusion on the catalytic properties of the immobilized enzyme were estimated.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008433 Mathematics The deductive study of shape, quantity, and dependence. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Mathematic
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D004800 Enzymes, Immobilized Enzymes which are immobilized on or in a variety of water-soluble or water-insoluble matrices with little or no loss of their catalytic activity. Since they can be reused continuously, immobilized enzymes have found wide application in the industrial, medical and research fields. Immobilized Enzymes,Enzyme, Immobilized,Immobilized Enzyme
D014106 Tosylarginine Methyl Ester Arginine derivative which is a substrate for many proteolytic enzymes. As a substrate for the esterase from the first component of complement, it inhibits the action of C(l) on C(4). Methyl N-alpha-Tosyl-L-Arginate,Ester, Tosylarginine Methyl,Methyl Ester, Tosylarginine,Methyl N alpha Tosyl L Arginate,N-alpha-Tosyl-L-Arginate, Methyl
D014357 Trypsin A serine endopeptidase that is formed from TRYPSINOGEN in the pancreas. It is converted into its active form by ENTEROPEPTIDASE in the small intestine. It catalyzes hydrolysis of the carboxyl group of either arginine or lysine. EC 3.4.21.4. Tripcellim,Trypure,beta-Trypsin,beta Trypsin

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