Crystal structure analysis reveals Pseudomonas PilY1 as an essential calcium-dependent regulator of bacterial surface motility.

Orans J, Johnson MDL, Coggan KA, et al. "Crystal structure analysis reveals Pseudomonas PilY1 as an essential calcium-dependent regulator of bacterial surface motility." Proc. Natl. Acad. Sci. U.S.A.. 2010;107(3):1065-70.