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alpha Internexin Rabbit anti-Bovine, Equine, Human, Mouse, Porcine, Rat, Polyclonal, Invitrogen™

Rabbit Polyclonal Antibody

Manufacturer:  Invitrogen PA110017

Catalog No. 01-670-274

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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.


alpha Internexin
whole serum with no preservative
Q08DH7, Q16352, P46660, P23565
NF66, alpha-Inx, 66 kDa neurofilament protein, Neurofilament-66
Bovine, Equine, Human, Mouse, Porcine, Rat
Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Western Blot
Purified, recombit rat alpha-internexin, expressed in E. coli.
100 μL
Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.
100059769, 100153400, 226180, 24503, 532236, 9118
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