Integral and peripheral membrane proteins

Integral Membrane Proteins

These are <a href="Proteins">proteins</a> directly linked to the <a href="Plasma membrane">plasma membrane</a> of <a href="Cells">cells</a>; they do not have intermediate <a href="Molecules">molecules</a> between them and the <a href="Plasma membranes">plasma membranes</a>. They are also considered as proteins that fully pass through the membrane (<a href="Carrier protein">carrier proteins</a> and <a href="Channel protein">channel proteins</a>).

Peripheral Membrane Proteins

These proteins are connected to the plasma membrane through intermediate molecules (even integral proteins) by noncovalent interactions. They can be removed fro the membrane fairly easily by simply increasing the salt concentration of the buffer solution which the cells are suspended in.