Separation of a color into values for colorants in colorant space can be done easily when color correction and color separation are done in a separate step. Word line level reduction and negative bit line boost assist techniques improve read stability and write margin of SRAM core-cells, respectively, when the memory operates at a lowered supply voltage. Since the host and the wireless displayer can be separated when the user uses the interactive electronic system, the interactive electronic system can efficiently reduce the weight loading for the user, and provide more freedom and better convenience for the user when using it. Exhaust port openings are provided that the edges of the covering to vent the inflating medium, which enhances circulation of the thermally-controlled medium through the cover. Moreover, also encompassed are the diagnostic, prognostic and therapeutic usefulness of these protein binding domains for GPCR-related diseases.