Please use this identifier to cite or link to this item: http://cuir.car.chula.ac.th/handle/123456789/58783
Title: Fibrinolytic enzyme from Sand Warm Perinereis nuntia
Other Titles: เอนไซม์สลายไฟบรินจากเพรียงทราย Perinereis nuntia : รายงานวิจัยฉบับสมบูรณ์
Authors: Aphichart Karnchanatat
Email: Aphichart.K@Chula.ac.th
Other author: Chulalongkorn University. The Institute of Biotechnology and Genetic Engineering
Subjects: Proteolytic enzymes
Protease inhibitors
Fibrinolytic agents
Arenicolidae
Issue Date: 2013
Publisher: Chulalongkorn University
Abstract: A protease from sandworms (Perinereis nuntia) was purified by using a combination of ammonium sulfate precipitation, DEAE cellulose and Superdex-200, respectively. The enriched preparation had a specific activity of 355.74 U/mg proteins and a yield of 18.5% total protein. The molecular weight of this protease was estimated to be 37.4 kDa by SDS-15% (w/v) PAGE. The pH stability of this protease is between pH 7-8, and it is stable up to 40 °C. The activity of the enzyme was inhibited by Cu2+ and Co2+, but was enhanced by Ca2+ and Mg2+ ions. Furthermore, protease activity was potently inhibited by EDTA.
URI: http://cuir.car.chula.ac.th/handle/123456789/58783
Type: Technical Report
Appears in Collections:Biotec - Research Reports

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