A stable, single-stranded nucleoprotein filament adapted to complex specifically and stably with a target duplex DNA having a selected base sequence. The filament is composed of a single-stranded DNA probe having a region of homology with the target base sequence, and RecA protein bound stably to the...http://www.google.fr/patents/US4888274?utm_source=gb-gplus-shareBrevet US4888274 - RecA nucleoprotein filament and methods
