This work was supported by the grants from the National NaturalScience Foundation of China (No. 30070016) and the National[(High )22.5(T)63.3(echnology Research and Development Program of China)](No. 2001AA234051)
The hmr19 gene was cloned from Streptomyces hygroscopicus subsp. yingchengensis strain 10- 22, a bacterium strain producing agricultural antibiotics. Sequence similarity comparison indicates that hmr19 gene may enco...