Review of A-level calculus: elementary functions and their graphs, domains and ranges ... applications to geometry, equations of a plane and straight line. Rotations and linear transformations in 2D, ...

This interaction is likely why we generally see the tryptophan slightly further into the plane of the membrane than the basic residues, where it may help to orient the lipid. Unlike charge ...

Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, U.K.