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논문 기본 정보

자료유형
학술저널
저자정보
Ahn, So-Soung (College of Pharmacy, Ewha Womans University) Sheen, Yhun-Yhong (College of Pharmacy, Ewha Womans University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제18권 제5호
발행연도
1995.1
수록면
308 - 313 (6page)

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초록· 키워드

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This study has been undertaken to examine the acetylcholinesterase (AChE) of electric organ from korean electtric ray(Narke japonica). Korean electric ray was caughted at Chungmu sea and transported to the laboratory, where electric organs were removed and stored at $-70^{\circ}C$ until used. Acelycholinesterase(AChE) of electric organ was purified by affinity column that was prepared with dicaproyl-methylpyridinium linked to Sepharose 4B. Upon purification, the specific activities in Ellman unit were increased by 52 and 39 times for high salt soluble AChE (HSSE, 870.86 $\DeltaOD/min/geam$ of tissue) and detergent soluble AChE(DSE, 105.42 .$\DeltaOD/min/geam$ of tissue), respectively. Each subunit of AChE separated by SDS polyacrylamide gel electrophoresis(SDS-PAGE)was transferred to immonilon P by western boltting and detected by mAbs raised against each subunit of AChE from electric organ og Torpedo califomica. Collagenic tails of AChE from Torpedo califomica, likewise 103Kd protein of AChE from Narke japonica was detected by monoclonal antibody specific to 103Kd of AChE from Torpedo califomica. However, molar ratio of three subunits of AChE from Narke japonica is different from that of Torpedo calicormica. Furthermore, catalytic subunit of AChE from Narke japonica was not identified by monoclnal antibody specific to catalytic subunit of AChE from Torpedo californica. These results showed differences in molecular structure of AChE from Narke japonica and AChE from Torpedo califormica eventhough they showed same enzymatic activities.

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