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Key Documents

SAB4200605

Sigma-Aldrich

Anti-EB3 (C-terminal) antibody produced in rabbit

IgG fraction of antiserum

Synonym(s):

Anti-EBF3, Anti-EBF3-S, Anti-MAPRE3, Anti-RP/EB family, Anti-RP3, Anti-member 3, Anti-microtubule-associated protein

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

conjugate

unconjugated

antibody form

IgG fraction of antiserum

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~32 kDa

species reactivity

rat, human, mouse

technique(s)

immunoblotting: 1:2,500-1:5,000 using lysates of mouse brain (S1 fraction).

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... EBF3(253738)

General description

End-binding protein-3 (EB3), also known as microtubule (MT)-associated protein RP/EB family member 3 (MAPRE3), belongs to a distinct family of “plus-end tracking proteins” (+TIPs). In humans, EB1 family proteins consist of EB1, EB2 and EB3. EB proteins are components of the MT cytoskeleton and are greatly conserved. EB proteins contain an N-terminal calponin homology (CH) domain and a unique EB-like C-terminal motif. EB3 is preferentially expressed in the central nervous system (CNS) and binds to a CNS-specific adenomatous polyposis coli (APC) homolog APCL.

Immunogen

synthetic peptide corresponding to a sequence at the C-terminus of human EB3, conjugated to KLH. The corresponding sequence is identical in rat and mouse EB3.

Application

Anti-EB3 (C-terminal) antibody produced in rabbit has been used in:
  • immunoblotting
  • immunofluorescence
  • immunohistochemistry

Biochem/physiol Actions

End-binding protein-3 (EB3) plays an important role in regulating dynamics and organization of microtubules (MTs). EB3 is specifically expressed during myogenic differentiation and controls MTs dynamics at the cell cortex. Knockout of EB3 prevents myotubes formation by inhibiting myoblasts elongation and fusion. In neurons, EB3 is found to interact with scaffold protein ankyrin-G and postsynaptic density protein 95 (PSD95) and is required for stabilizing neuronal polarity in mature neurons and in determining neuronal dendritic morphology. EB3 is also involved in MT polymerization and cell migration. EB3 may be involved in stabilizing MTs and anchoring them to centrosomes during spindle formation.

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 Code

10 - Combustible liquids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Visualization of microtubule growth in cultured neurons via the use of EB3-GFP (end-binding protein 3-green fluorescent protein)
Stepanova T, et al.
The Journal of Neuroscience, 23(7), 2655-2664 (2003)
EB1 and EB3 promote cilia biogenesis by several centrosome-related mechanisms
Schroder JM, et al.
Journal of Cell Science, 124(15), 2539-2551 (2011)
PSD-95 alters microtubule dynamics via an association with EB3
Sweet ES, et al.
The Journal of Neuroscience, 31(3), 1038-1047 (2011)
EB3 regulates microtubule dynamics at the cell cortex and is required for myoblast elongation and fusion
Straube and Merdes A
Current Biology, 17(15), 1318-1325 (2007)
Characterization of functional domains of human EB1 family proteins
Bu W and Su LK
The Journal of biological chemistry, 278(50), 49721-49731 (2003)

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