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Key Documents

HPA060220

Sigma-Aldrich

Anti-ESPN antibody produced in rabbit

Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody

Synonym(s):

DFNB36

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About This Item

UNSPSC Code:
12352203
Human Protein Atlas Number:
NACRES:
NA.43

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

product line

Prestige Antibodies® Powered by Atlas Antibodies

form

buffered aqueous glycerol solution

species reactivity

human

technique(s)

immunofluorescence: 0.25-2 μg/mL

immunogen sequence

PKVVNWLLHHGGGDPTAATDMGALPIHYAAAKGDFPSLRLLVEHYPEGVNAQTKNGA

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... ESPN(83715)

General description

Ectoplasmic specialization protein (ESPN) is present in parallel actin bundles in ear hair cells. ESPN gene is located on human chromosome 1p36.31. It is expressed in different isoforms and has a N-terminal ankyrin repeat domain and a C-terminal actin-bundling module.

Immunogen

espin

Application

All Prestige Antibodies Powered by Atlas Antibodies are developed and validated by the Human Protein Atlas (HPA) project and as a result, are supported by the most extensive characterization in the industry.

The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. The antibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. We also provide Prestige Antibodies® protocols and other useful information.

Biochem/physiol Actions

Ectoplasmic specialization protein (ESPN) is crucial for the critical role in stereociliary development and bundle regeneration. Frameshift mutations in the ESPN gene leads impairment in hearing. Polymorphisms in ESPN gene impacts on the organisation of inner ear cells and contributes to hearing loss.

Features and Benefits

Prestige Antibodies® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.

Every Prestige Antibody is tested in the following ways:
  • IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
  • Protein array of 364 human recombinant protein fragments.

Linkage

Corresponding Antigen APREST92064

Physical form

Solution in phosphate buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide.

Legal Information

Prestige Antibodies is a registered trademark of Merck KGaA, Darmstadt, Germany

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Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Espins are multifunctional actin cytoskeletal regulatory proteins in the microvilli of chemosensory and mechanosensory cells
Sekerkova G, et al.
The Journal of Neuroscience, 24(23), 5445-5456 (2004)
Espin gene (ESPN) mutations associated with autosomal dominant hearing loss cause defects in microvillar elongation or organisation
Donaudy F, et al.
Journal of medical Genetics, 43(2), 157-161 (2006)
Mutations of ESPN cause autosomal recessive deafness and vestibular dysfunction
Naz S, et al.
Journal of medical Genetics, 41(8), 591-595 (2004)
Hair cell stereociliary bundle regeneration by espin gene transduction after aminoglycoside damage and hair cell induction by Notch inhibition
Taura A, et al.
Gene Therapy, 23(5), 415-415 (2016)
Characterization and regulation of an additional actin filament-binding site in large isoforms of the stereocilia actin-bundling protein espin
Zheng L, et al.
Journal of Cell Science, 41(8), jcs-143255 (2014)

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