There’s a surreal serenity atop the world’s longest self-anchored, single-tower suspension bridge, crowned by a thick blanket of fog more than 500 feet above the rippling tides off Yerba Buena ...

Figure 1: Partitioning of hydrophobic and polar residues between the surface and interior of the wild type and switch Arc homodimers. Figure 2: Arc-N11L is stable and can adopt either the switch Arc ...