Seltmann G, Wolter E J
J Basic Microbiol. 1985;25(3):197-201. doi: 10.1002/jobm.3620250310.
Streptothricin acetyl transferase coded for by plasmids pIE636 and pIE637 in Escherichia coli K-12 was found to be located at the inner side of the cytoplasmic membrane.