The location of DNA in complexes of recA protein with double-stranded DNA. A neutron scattering study.


Purified recA protein is found as rodlike homopolymers, and it forms filamentous complexes with double-stranded DNA that are stable in the presence of ATP gamma S, a nonhydrolyzable analogue of ATP. The structure of these filaments has been described in some detail by electron microscopy. Here we confirm the mass per length of 6.5 recA/100 A in solution by… (More)


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