Integral and peripheral membrane proteins: Difference between revisions
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'''Integral Membrane Proteins''' | <ref>Alberts B, Johnson A, Lewis J, et al. Molecular Biology of the Cell. 4th edition. New York: Garland Science; 2002</ref> | ||
'''Integral Membrane Proteins''' | |||
These are proteins directly linked to the plasma membrane of cells ; they do not have intermediate molecules between them and the plasma membranes. They are also considered as proteins that fully pass through the membrane (carrier proteins and channel proteins). | These are proteins directly linked to the plasma membrane of cells ; they do not have intermediate molecules between them and the plasma membranes. They are also considered as proteins that fully pass through the membrane (carrier proteins and channel proteins). | ||
'''Peripheral Membrane Proteins''' | '''Peripheral Membrane Proteins''' | ||
These proteins are connected to the plasma membrane through intermediate molecules (even integral proteins) or proteins attached to only one side of the membrane; do not pass through the membrane. | These proteins are connected to the plasma membrane through intermediate molecules (even integral proteins) or proteins attached to only one side of the membrane; do not pass through the membrane. | ||
Revision as of 10:53, 18 October 2012
[1] Integral Membrane Proteins
These are proteins directly linked to the plasma membrane of cells ; they do not have intermediate molecules between them and the plasma membranes. They are also considered as proteins that fully pass through the membrane (carrier proteins and channel proteins).
Peripheral Membrane Proteins
These proteins are connected to the plasma membrane through intermediate molecules (even integral proteins) or proteins attached to only one side of the membrane; do not pass through the membrane.
- ↑ Alberts B, Johnson A, Lewis J, et al. Molecular Biology of the Cell. 4th edition. New York: Garland Science; 2002