Microtubule-associated protein 2 (MAP2) is a neuronal protein. It belongs to the MAP2/Tau family. This gene is located to human chromosome 2q34-q35. MAP2 is present in neurons. MAP2 is the major microtubule-associated protein of brain tissue. There are two major classes of heat stable MAPs; two are similarly sized with apparent molecular weights of 280kDa (MAP2a and MAP2b) and the third with a lower molecular weight of 70kDa (MAP2c).
Specificity
Reacts with the two major classes of heat stable MAPs (MAP2 and τ). Does not react with MAP1 or tubulin.
Immunogen
heat stable MAPs prepared from bovine brain.
Application
Anti-Microtubule-Associated Proteins (MAPs) antibody produced in rabbit has been used in:
immunofluorescent labelling
immunohistochemistry
immunoprecipitation
immunofluorescence staining
western blotting
Biochem/physiol Actions
Microtubule-associated protein 2 (MAP2) interacts with microtubules to maintain the structure of dendrites. It plays a major role in supporting the actin cytoskeleton in spines, binding and nucleating filamentous actin (f-actin) to modulate spine morphology. Microtubules function as structural and mobility elements in mitosis, intracellular transport, flagellar movement and in the cytoskeleton.
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