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곽주원 ( Ju Won Kwak ) 한국경쟁법학회 2013 競爭法硏究 Vol.28 No.-
The leniency program pursues two purposes. First, it is designed to increase the This paper surveys current discussions about search neutrality and attempts to propose a feasible policy alternative to governmental regulation. First, it studies the technology and market structure of search engines, and comprehensively surveys legal and non-legal disputes concerning the search neutrality issue. Second, we consider policy alternatives. The competition law and consumer protection law may only be applicable in limited number of cases. Moreover, the administrative cost of regulation is very high. Considering all these factors, the most realistic policy alternative is to enhance market evaluation of search engines.
특정 위치 변이방법에 의한 Ser - interleukin - 2 - 의 생산
강성만,곽주원,권종범,김성완,이인영,이선복,윤혜영,함경수,한문희,나도선 ( Seong Man Kang,Ju Won Kwak,Jong Bum Kwon,Sung Wan Kim,In Young Lee,Sun Bok Lee,Hye Young Yun,Kyung Soo Hahm,Moon H . Han,Doe Sun Na ) 생화학분자생물학회 1989 BMB Reports Vol.22 No.3
Human Interleukin-2 (IL-2) posessing a serine in place of cystein at the amino acid sequence position 125 has been produced in E. coli by site directed mutagenesis. The activity of purified Ser^(125)-IL-2 was more than 2.5 times higher than that of Cys^(125)-IL-2 as determined by the growth promoting effect on IL-2 dependent cell line. The yield of production of Ser^(125)-IL-2 was at least 1.5 times higher as compared to that of Cys^(125)-IL-2.
Production of $Ser^{125}$-Interleukin-2 by Site Directed Mutagenesis
강성만,곽주원,권종범,김성완,이인영,이선복,윤혜영,함경수,한문희,나도선,Kang, Seong-Man,Kwak, Ju-Won,Kwon, Jong-Bum,Kim, Sung-Wan,Lee, In-Young,Lee, Sun-Bok,Yun, Hye-Young,Hahm, Kyung-Soo,Han, Moon-H.,Na, Doe-Sun 생화학분자생물학회 1989 한국생화학회지 Vol.22 No.3
아미노산 서열 125번 위치의 아미노산인 시스테인을 세린으로 치환한 Inter1eukin-2를 특정 위치 변이방법에 의하여 대장균을 이용하여 생산하였다. $Ser^{125}$-IL-2는 IL-2 의존성인 배양세포에 대하여 $Cys^{125}$-IL-2와 유사한 성장촉진효과를 나타내었다. $Ser^{125}$-IL-2의 생산 수율은 $Cys^{125}$-IL-2에 비하여 1.5배 이상 높았다. Human Interleukin-2 (IL-2) posessing a serine in place of cystein at the amino acid sequence position 125 has been produced in E. coli by site directed mutagenesis. The activity of purified $Ser^{125}$-IL-2 was more than 2.5 times higher than that of $Cys^{125}$-IL-2 as determined by the growth promoting effect on IL-2 dependent cell line. The yield of production of $Ser^{125}$-IL-2 was at least 1.5 times higher as compared to that of $Cys^{125}$-IL-2.