Integral and peripheral membrane proteins

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Revision as of 16:26, 20 October 2013 by 120074934 (talk | contribs) (Integral membranes can be extracted from the membrane using a detergent. They can be classed as either cytosolic, cell surface or transmembrane integral proteins.)
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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 or proteins attached to only one side of the membrane; do not pass through the membrane [1].

Reference

  1. ↑ Alberts B, Johnson A, Lewis J, et al. Molecular Biology of the Cell. 4th edition. New York: Garland Science; 2002
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