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Key Documents

ABN37

Sigma-Aldrich

Anti-Homer1 Antibody

from rabbit, purified by affinity chromatography

Sinónimos:

Homer protein homolog 1, Homer-1, Homer1

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

rabbit

Quality Level

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

purified by

affinity chromatography

species reactivity

human, mouse

species reactivity (predicted by homology)

horse (based on 100% sequence homology), monkey (based on 100% sequence homology)

technique(s)

immunohistochemistry: suitable (paraffin)
western blot: suitable

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... HOMER1(9456)

Categorías relacionadas

General description

Homer protein homolog 1 (UniProt Q86YM7; also known as Homer-1, Homer1) is encoded by the HOMER1 (also known as SYN47) gene (Gene ID 9456) in human. Homer-1, -2, and -3 constitute a family of postsynaptic scaffold proteins that play a central role in calcium signaling. Homer members share a conserved N-terminal Ena/VASP homology 1 (EVH1) domain (a.a. 1-110 of Homer-1) that mediate signaling complexes assembly by interacting with PPXXFR proline-rich consensus sequences found in various other scaffolding and signal transduction molecules, including metabotropic glutamate receptors (mGluRs) and 1,4,5-trisphosphate receptors (IP3Rs). In addition to mediate group I mGluRs signaling via their EVH1 domain, Homer-1 spliced variants Vesl-1L, 1b, and 1d, but not Vesl-1M or Vesl-1S, also contain a C-terminal coiled-coil (a.a. 181-352) region that mediate self-multimerization. Homer-1 variants are associated with the etiology of many neurological diseases, such as chronic pain, mental retardation syndromes, Alzheimer′s disease (AD), Parkinson′s disease (PD), schizophrenia, drug-induced addiction, and traumatic brain injury (TBI). Homer1b/c-knockdown is reported to protect against chemically induced seizure in mice as a result of preventing mGluR5-mediated mTOR pathway activation.

Specificity

Broad species reactivity expected based on high sequence homology.
This rabbit polyclonal antibody targets an internal sequence within the N-terminal half of human Homer1 isoform 1b and mouse isoform Vesl-1L. Immunogen sequence appears near the C-terminus of human isoform 1h and mouse isoforms 1b, 1d, Vesl-1M, and Vesl-1S, but absent in human isoform 1e. Highly homologous sequence (~83%) is also found in the N-terminal half of rat isoform 1c (Vesl-1L) and near the C-terminus of rat isoforms 1a (Vesl) and 1b.

Immunogen

KLH-conjugated linear peptide corresponding to an internal sequence within the N-terminal half of human Homer1 isoform 1b and near the C-terminus of isoform 1h.

Application

Anti-Homer1, Cat. No. ABN37, is a highly specific rabbit polyclonal antibody that targets Homer protein homolog 1 and has been tested in Immunohistochemistry and Western Blotting.
Immunohsitochemistry Analysis: A 1:500 dilution from a representative lot detected Homer1 in human and mouse cerebral cortex tissue sections.

Immunohsitochemistry Analysis: A representative lot detected significantly increased stratum radiatum and stratum oriens Homer1 immunoreactivity in floating brain sections from mice received AP-12 intraperitoneal injection (Jansone, B., et al. (2015). PLoS One. 10(6):e0127686).

Quality

Evaluated by Western Blotting in mouse brain tissue lysate.

Western Blotting Analysis: 2 µg/mL of this antibody detected Homer1 in 10 µg of mouse brain tissue lysate.

Target description

~47 kDa observed. 40.28/19.86 kDa (human isoform 1b/1h), 40.22/42.08/41.41/22.78/20.91 kDa (mouse isoform 1b/1d/Vesl-1L/Vesl-1M/Vesl-1S) calculated. Uncharacterized bands may be observed in some lysate(s).

Other Notes

Concentration: Please refer to lot specific datasheet.

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Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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