Colleary, Sandra published the artcileStability and catalytic properties of chemically modified pig trypsin, Related Products of alcohols-buliding-blocks, the publication is Biocatalysis and Biotransformation (2009), 27(5-6), 309-317, database is CAplus.
Pig trypsin was chem. modified with the bifunctional compound ethylene glycol-bis(succinic acid N-hydroxysuccinimide ester) to yield EG-trypsin. EG-trypsin showed greater thermal stability (100% active beyond 100 min at 55°C; native only 53% active at 100 min) together with slightly increased tolerance toward some organic solvents. Arg/Lys hydrolysis ratio changed little. Esterase/amidase activity ratio of EG-trypsin in buffer was 11-fold greater than that of native pig trypsin, but 5-fold less in 30% volume/volume acetonitrile. In buffer, EG-trypsin synthesized the dipeptide benzoyl-Arg-Leu-NH2 at a 3-fold higher rate than native trypsin, but native trypsin outperformed EG-trypsin in 30% volume/volume acetonitrile.
Biocatalysis and Biotransformation published new progress about 70539-42-3. 70539-42-3 belongs to alcohols-buliding-blocks, auxiliary class pyrrolidine,Ester,Amide,Inhibitor,Inhibitor, name is Bis(2,5-dioxopyrrolidin-1-yl) O,O’-ethane-1,2-diyl disuccinate, and the molecular formula is C18H20N2O12, Related Products of alcohols-buliding-blocks.
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