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- Title
Partitioning of Phenylalanine Ammonia-lyase from Rhodotonila glutinis in Aqueous Two-phase Systems of PEG/salts.
- Authors
Wang, W. Y.; Yue, H. Y.; Yuan, Q. P.; Wang, W. C.
- Abstract
In this work, the partitioning of phenylalanine ammonia-lyase was investigated in different systems of PEG1000, PEG2000, PEG3350, PEG6000 and PEG8000 with (NH4)2SO4, Na2SO4, Na2CO3 and potassium phosphate. The results showed that the partition of phenylalanine ammonia-lyase in PEG/salt aqueous two-phase systems was mainly influenced by hydrophobicity, excluded volume effect and salting-out effect; compared with other PEG/salt systems, PEG1000/Na2SO4 was the most effective for phenylalanine ammonia-lyase partitioning. The result further supports that PEG/salt aqueous two-phase system provides a new and applicable route for the purification of phenylalanine ammonia-lyase, as shown in our published paper.
- Subjects
PHENYLALANINE ammonia lyase; PLANT enzymes; POTASSIUM phosphates; PARTITION coefficient (Chemistry); PHENYLALANINE
- Publication
Chemical & Biochemical Engineering Quarterly, 2010, Vol 24, Issue 4, p459
- ISSN
0352-9568
- Publication type
Article