Spectrin: Difference between revisions
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Spectrin is a [[protein|protein]] that is associated with the cytosolic side of the [[plasma membrane|plasma membrane]] in red [[Red_blood_cells|blood cells]], forming a network that supports the membrane. This is particularly important in red blood cells so that they maintain their concave structure and so can continue to carry [[oxygen|oxygen]] around the blood stream. Spectrin is also present in muscle fibres and is found as a tetramer of two alpha and two beta subunits in [[actin|actin]] filaments<ref>Alberts, Johnson, Lewis, Raff, Roberts, Walter, 2008 :1007</ref>. | |||
=== References === | |||
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Revision as of 08:55, 1 December 2012
Spectrin is a protein that is associated with the cytosolic side of the plasma membrane in red blood cells, forming a network that supports the membrane. This is particularly important in red blood cells so that they maintain their concave structure and so can continue to carry oxygen around the blood stream. Spectrin is also present in muscle fibres and is found as a tetramer of two alpha and two beta subunits in actin filaments[1].
References
- ↑ Alberts, Johnson, Lewis, Raff, Roberts, Walter, 2008 :1007