A gene located downstream of the clavulanic acid gene cluster in <Emphasis Type="Italic">Streptomyces clavuligerus</Emphasis> ATCC 27064 encodes a putative response regulator that affects clavulanic acid production
(1) School of Biological Sciences, Seoul National University, Seoul, 151-747, South Korea;(2) Department of Biological Sciences, University of Alberta, Edmonton, AB, T6G 2E9, Canada