Also known as John Wayne Airport, SNA is the only commercial service airport in Orange County, California. It is about 35 miles south of Los Angeles, between the cities of Costa Mesa, Irvine, and Newport Beach, and is 14 miles from Disneyland.
potassium channel a voltage-gated protein channel selective for the passage of potassium ions. protein channel a watery pathway through the interstices of a protein molecule by which ions and small molecules can cross a membrane into or out of a cell by diffusion.
channels is built upon a common structural theme with variations appropriate for functional specialization of each channel type. INTRODUCTION The voltage-gated sodium, calcium, and potassium channels are responsible for the generation of conducted electrical signals in neurons and other excitable cells.