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|Tested species reactivity||Bovine, Chicken, Horse, Human, Mouse, Pig, Rat|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Purified, recombinant rat alpha-internexin, expressed in E. coli.|
|Storage buffer||whole serum|
|Storage Conditions||4°C or -20°C if preferred|
|Tested Applications||Dilution *|
|Western Blot (WB)||1:10,000-1:20,000|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
In Western blot, a prominent band at ~66 kDa is observed, as well as smaller lower bands which are apparently degradation products. A minor band at ~150 kDa is also seen, resulting from dimerization of alpha-internexin.
Alpha internexin is a Class IV intermediathee filament originally discovered as it copurifies with other neurofilament subunits. On SDS-PAGE gels it runs with an apparent molecular weight of 64 to 66 kDa, with some species variability, although the real molecular weight is about 55kDa; as with the other neurofilament subunits the presence of highly negatively charged sequences results in reduction of SDS-PAGE mobility. a-internexin is related to but distinct from the better known neurofilament triplet proteins, NF-L, NF-M and NF-H, having similar protein sequence motifs and a similar intron organization. It is expressed only in neurons and in large amounts early in neuronal development, but is down-regulated in many neurons as development procedes. Many classes of mature neurons contain a-internexin in addition to NF-L, NF-M and NF-H. In some mature neurons a-internexin is the only neurofilament subunit expressed. Antibodies to a-internexin are therefore unique probes to study and classify neuronal types and follow their processes in sections and in tissue culture. In addition the very early developmental expression of a-internexin means its presence is an early and convenient diagnostic feature of neuronal progenitors cells and other cell committed to the neuronal lineage. In addition recent studies show a marked up-regulation of a-internexin during neuronal regeneration.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
66 kDa neurofilament protein; alpha-internexin; alpha-Inx; internexin neuronal intermediate filament protein, alpha; internexin, alpha; neurofilament 5 (66kD); Neurofilament-66; neurofilament-66, tax-binding protein; NF66
AV028420; INA; Inexa; Intlaa; NEF5; NF-66; NF66; TXBP-1