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SAB4200582

Sigma-Aldrich

Anti-Epsin1 antibody produced in rabbit

~1.0 mg/mL, affinity isolated antibody

Synonym(s):

Anti-EPN1

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.44

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~90 kDa

species reactivity

rat, human, mouse

concentration

~1.0 mg/mL

technique(s)

immunoblotting: 1-2 μg/mL using extracts of SH-SY5Y cells and of mouse brain (S1 fraction).
immunohistochemistry: 10-20 μg/mL using formalin-fixed, paraffin-embedded rat brain.
indirect immunofluorescence: 2-4 μg/mL using NRK cells.

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... EPN1(29924)
mouse ... Epn1(13854)
rat ... Epn1(117277)

General description

There are three known mammalian epsin variants including epsin 1, 2 and 3. Epsin1 protein contains an epsin N-terminal homology (ENTH) region, a single clathrin-binding LVDLD motif and two or three tandem ubiquitin-interacting motifs (UIMs). The central region of epsin contains a clathrin interaction motif as well as repeats of a DPW motif, which binds to adaptor protein (AP)-2.

Immunogen

synthetic peptide corresponding to an internal sequence of human epsin1 isoform A, conjugated to KLH. The corresponding sequence is identical in human espin1 isoforms B and C, and in rat and mouse epsin1.

Application

Anti-Epsin1 antibody produced in rabbit has been used in:
  • immunoblotting
  • immunofluorescence
  • immunohistochemistry

Biochem/physiol Actions

Epsin1 (also known as EPN1) is an endocytic adaptor protein that plays a central role in the clathrin-mediated internalization and degradation of ubiquinated proteins. Epsin1 recruits ubiquitinated epidermal growth factor receptor (EGFR) into clathrin-coated pits. Epsin1 is required in mitotic membrane and spindle organization. The epsin family of endocytic adaptors is found to be upregulated in cancer and epsin1 overexpression promotes cancer cell invasion.

Physical form

Solution in 0.01 M phos­phate buffered saline, pH 7.4, containing 15 mM sodium azide.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class

10 - Combustible liquids

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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Epsins: adaptors in endocytosis?
Wendland B, et al.
Nature Reviews in Molecular and Cell Biology, 3(12), 971-971 (2002)
Yaara Zwang et al.
Traffic (Copenhagen, Denmark), 10(4), 349-363 (2009-02-03)
Clathrin-mediated endocytosis sorts for degradation of more than 50 different growth factor receptors capable of relaying growth and differentiation signals by means of their cytoplasm-facing, intrinsic tyrosine kinase activity. The kinetics and alternative routings of receptor endocytosis critically regulate growth
A requirement for epsin in mitotic membrane and spindle organization
Liu Z and Zheng Y
The Journal of cell biology, 186(4), 473-480 (2009)
Epsin 1 is involved in recruitment of ubiquitinated EGF receptors into clathrin-coated pits
Kazazic M, et al.
Traffic, 10(2), 235-245 (2009)
The epsin family of endocytic adaptors promotes fibrosarcoma migration and invasion
Coon BG, et al.
The Journal of Biological Chemistry, 285(43), 33073-33081 (2010)

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