ACTIVITY OF ASPARAGINASE, PURIFIED AND CHARACTERIZED FROM FROZEN SEEDS OF PISUM SATIVUM.
- Ministry of Environment/ Republic of Iraq.
- Biotechnology Research Center, Al - Nahrain University, Baghdad, Iraq.
- College of Veterinary Medicine, Al-Muthanna University, Samawa City, Al-Muthanna Province, Iraq.
- Abstract
- Keywords
- References
- Cite This Article as
- Corresponding Author
Asparaginase was extracted from Frozen Plant seeds of Pisam sativum collected from a field crop after 3 months of freezing. Enzyme specific activity was (74.1 U/mg). Asparaginase was extracted from frozen seeds and purified by ion exchange chromatography using DEAE-Cellulose and gel filtration chromatography using sephadex G-200. We found that the molecular weight of asparaginase is 44000 Dalton, specific activity of Purified asparaginase was 226.5 U/mg. Purified asparaginase was characterized, the optimum pH for enzyme activity and stability was pH 8.5 and 9.5 respectively, while the optimum temperature for enzyme activity and stability was 40 ºC and 37 ºC respectively.
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[Zena Abdullah Khalaf, Ayat Adnan Abbas and Ali Mosa Rashid Al-Yasari. (2017); ACTIVITY OF ASPARAGINASE, PURIFIED AND CHARACTERIZED FROM FROZEN SEEDS OF PISUM SATIVUM. Int. J. of Adv. Res. 5 (Mar). 1188-1194] (ISSN 2320-5407). www.journalijar.com
Researcher of the ministry of Environment