Article
A low-temperature polygalacturonase from P. occitanis: characterization and application in juice clarification.
International journal of biological macromolecules - 1 Oct 2016
Sassi Azza Hadj, Tounsi Hajer, Trigui-Lahiani Hèla, Bouzouita Rihab, Romdhane Zamen Ben, Gargouri Ali
Abstract excerpt
An extracellular endo-polygalacturonase (PGase) was purified, after a single purification step, from the constitutive and hyperpectinolytic CT1 mutant of Penicillium occitanis. This enzyme named PG2 has a molecular weight of 42kDa. It was optimally active at 35°C and pH6 with more than 85% of activity at pH7 in contrast to the majority of fungal PGase, generally acting at 50°C and pH5. The specific activity...
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