膜
吸附
化学
生物物理学
双层
增溶
低聚物
水溶液
脂质双层
色谱法
DNA
结晶学
高分子化学
生物化学
生物
有机化学
作者
G Glaser-Wuttke,J Keppner,Ihab Rasched
标识
DOI:10.1016/0005-2736(89)90408-2
摘要
The gene 3-encoded adsorption protein (g3p) of filamentous phage fd has been purified to homogeneity by using high-performance liquid chromatography. Removal of SDS from the SDS-solubilized g3p results in spontaneous oligomerization of the g3p. Reconstitution into artificial lipid bilayer membranes shows that the oligomer forms large aqueous pores that remain open for seconds and are insensitive to changes in membrane potential. The estimated diameter of the pores suggest that they are large enough to allow passage of phage single-stranded DNA. The implications of these findings for phage infection are discussed.
科研通智能强力驱动
Strongly Powered by AbleSci AI