Random Facts.

• Active transopr of Na- and K-ions (Na-K-ATPase) is one of the major energy using process in the body. Thus it accounts for a large part of the basal metabolism. On average, it accounts 24% of energy utilized by cells, and in neurons it accounts 70%.

• About 50% of all known drugs work through G-protein-linked receptors.

• Actin is the most abundant protein in the cells. (At times up to 15% of all proteins of a cell). A structural component of microfilaments (thin filaments).