생명과학회지 (Journal of Life Science)

  • 제6권3호
  • /
  • Pages.213-218
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  • 1996
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
권호 표지

Symbionin은 세포내 공생미생물이 생산하는 molecular chaperone 활성을 가진 색다른 histarmine protein kinase이다.

Symbionin Produced by Intracellular Symbionts, which has Molecular Chaperone Activity and Novel Histidine Protein Kinase

  • 권오유 (충남대학교 의과대학 해부학교실) ;
  • 김원식 (충남대학교 의과대학 해부학교실)
  • 발행 : 1996.09.01
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초록

대장균의 GroEL과 상동성을 가지는 symbionin이 진딧물의 세포내 곤생미생물에서 유일하게 생산된다. 이것은 in vitro와 in vivo에서 moecular chaperone 활성을 가지는 것과 함께 자가인산화(autophosphory-lation)와 인산기전이효소(phosphotransferase)의 활성에 의해서 고에너지 인산기를 다른 곳에 줄 수 있다. Symbionin은 two component pathway의 센서분자의 역할을 하며, 지금까지 알려진 것과는 다른 성질을 가진 protein Kinase이다.

Symbionin, ahomologue of E. coli GroEL, produced by an intracellular symbiont of the pea aphid , has molecular chaperone activity bothin vitro and in vivo, and it is able to tarnsfer its high-energy phospholy group to other compounds through its autophosphorylation and phosphotransferase activity. The symbionin is a novel histidine protein Kinase and a senor molecular of the two-component pathway.

키워드

참고문헌

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