Congenital antithrombin Ⅲ deficiency in a korean family = 선천성 Antithrombin Ⅲ 결핍증에 관한 연구

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Molecular biological techniques were utilized to examine antithrombin III (ATIII) gene status in a Korean family with hereditary ATIII deficiency. The propositus, a 25-year-old male, has been suffered from recurrent deep vein thrombosis. The ATIII activity in the plasma was about half of the normal level. A portion of the family members also has a history of thrombosis. Seven exons of ATIII gene from the patient and from his parents were enzymativally amplified and sequenced. A T to C point mutation (Phe$^{368}$ $\rightarrow$ Ser) was detected in the propositus and the mother, and the thrombophilic tendency was coincided with this base substitution. As observed from the amino acid sequence data on related serine proteinase inhibitor family, the hydrophobic residue, Phe, in position$^{368}$ and the neighboring His$^{369}$ residue which makes hydrogen bonds with main chians were also conserved in the native ATIII. It was thus evident that Phe $\rightarrow$ Ser change in the center of strand which comprises a $\beta$-pleated sheet would sistort the structure of the sheet, and the conformation of the active site located in the adjacent strand would be affected by this mutation.
Advisors
Yoo, Ook-Joonresearcher유욱준researcher
Description
한국과학기술원 : 생명과학과,
Publisher
한국과학기술원
Issue Date
1993
Identifier
68317/325007 / 000911548
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 생명과학과, 1993.2, [ v, 55 p. ]

URI
http://hdl.handle.net/10203/28405
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=68317&flag=dissertation
Appears in Collection
BS-Theses_Master(석사논문)
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