Mutational analysis of Escherichia coli sigma28 and its target promoters reveals recognition of a composite -10 region, comprised of an 'extended -10' motif and a core -10 element.
Molecular Microbiology
Koo, Byoung-Mo BM; Rhodius, Virgil A VA; Campbell, Elizabeth A EA; Gross, Carol A CA
The cysteine-rich domain of the secreted proprotein convertases PC5A and PACE4 functions as a cell surface anchor and interacts with tissue inhibitors of metalloproteinases.