Bleomycin resistance conferred by a drug-binding protein.
作者信息
Gatignol A, Durand H, Tiraby G
机构信息
Laboratoire de Microbiologie et Génétique Appliquées du CNRS, CRBGC, Université Paul Sabatier, Toulouse, France.
出版信息
FEBS Lett. 1988 Mar 28;230(1-2):171-5. doi: 10.1016/0014-5793(88)80665-3.
PMID:2450783
Abstract
The protein coded by a bleomycin-resistance gene (ble) cloned from producing actinomycetes was purified from a culture of a recombinant E. coli strain and its action on bleomycin was determined by in vitro assays. The protein binds reversibly in a one to one ratio to bleomycin which can no longer cleave DNA. The bleomycin resistance of cells harboring a ble gene could be accounted for by a sequestering effect of the bleomycin-binding protein.
摘要
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