| LaPointe, C F; Taylor, R K (2000) The type 4 prepilin peptidases comprise a novel family of aspartic acid proteases. J Biol Chem 275:1502-10 |
| Siegele, D A; Hu, J C; Gross, C A (1988) Mutations in rpoD, the gene encoding the sigma 70 subunit of Escherichia coli RNA polymerase, that increase expression of the lac operon in the absence of CAP-cAMP. J Mol Biol 203:29-37 |
