Swain Joanna F, Gierasch Lila M
Department of Biochemistry and Molecular Biology and Chemistry, University of Massachusetts, Amherst, MA 01003, USA.
Proc Natl Acad Sci U S A. 2005 Sep 27;102(39):13715-6. doi: 10.1073/pnas.0506510102. Epub 2005 Sep 19.