Human ARX Alexa Fluor® 700-conjugated Antibody

Catalog #: AF7068N Datasheet / COA / SDS

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AF7068N-100UG

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Human ARX Alexa Fluor® 700-conjugated Antibody Summary

Species Reactivity

Human

Specificity

Detects human ARX in direct ELISAs and Western blots.

Source

Polyclonal Sheep IgG

Purification

Antigen Affinity-purified

Immunogen

E. coli-derived recombinant human ARX
Ser2-Ala100
Accession # Q96QS3

Formulation

Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide

Label

Alexa Fluor 700 (Excitation= 675-700 nm, Emission= 723 nm)

Applications

Recommended Concentration

Sample

Western Blot

Optimal dilution of this antibody should be experimentally determined.

Immunohistochemistry

Optimal dilution of this antibody should be experimentally determined.

Immunocytochemistry

Optimal dilution of this antibody should be experimentally determined.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: ARX

ARX (Aristaless-Related homeoboX protein) is a 56-62 kDa member of the aristaless subfamily, paired homeobox family of proteins. In the nervous system, it is expressed in embryonic telencephalon plus adult cortical GABAergic neurons and differentiating neuronal stem cells; in the pancreas, it promotes the differentiation of alpha -cells at the expense of beta -cells. Human ARX is a 562 amino acid (aa) transcriptional repressor. It contains an octapeptide motif that binds Groucho proteins (aa 27‑34), an NLS (aa 82-89), one Ala-rich region (aa 100-155), an acidic/Glu-rich region (aa 224-253), a DNA-binding homeodomain with an embedded NLS (aa 328‑387), one Pro-rich segment that binds CtBP1 (aa 395-459) and a C-terminal Aristaless domain (aa 530-543). There are mutations that show poly-Ala expansions in the N-terminus (aa 115-155), often associated with developmental abnormalities. Over aa 1-100, human ARX shares 97% aa identity with mouse ARX.

Long Name

Aristless-related Homeobox Protein

Entrez Gene IDs

170302 (Human); 11878 (Mouse); 317268 (Rat)

Alternate Names

aristaless related homeobox; Aristaless-related homeobox; aristaless-related homeobox, X-linked; ARX; cancer/testis antigen 121; CT121; EIEE1; homeobox protein ARX; ISSX; ISSXmental retardation, X-linked 36; mental retardation, X-linked 29; mental retardation, X-linked 32; mental retardation, X-linked 33; mental retardation, X-linked 38; mental retardation, X-linked 43; mental retardation, X-linked 54; mental retardation, X-linked 76; mental retardation, X-linked 87; MRX29; MRX32; MRX33; MRX36; MRX38; MRX43; MRX54; MRX76; MRX87; MRXS1; PRTS