Homer1 antibody - 160 008

Homer1 , 2 and 3 are post synaptic density (PSD) proteins involved in the targeting of glutamate receptors

Rabbit monoclonal recombinant IgG

Cat. No.: 160 008

Amount: 50 µg

Price: $415.00

Cat. No. 160 008	50 µg purified recombinant IgG, lyophilized. Albumin and azide were added for stabilization. For reconstitution add 50 µl H₂O to get a 1mg/ml solution in PBS. Then aliquot and store at -20°C to -80°C until use. Antibodies should be stored at +4°C when still lyophilized. Do not freeze!
Applications	WB: 1 : 1000 (AP staining) gallery IP: yes ICC: 1 : 500 gallery IHC: not tested yet IHC-P: not tested yet ExM: yes (see remarks) Western blot (WB); separation of proteins by PAGE and subsequent transfer to a membrane. Detection of target molecules is carried out with antibodies. Some antibodies require special sample preparation steps. For details, please refer to the “Remarks” section. Immunoprecipitation (IP); Immunoisolation or pulldown of a target molecule using an antibody. For details and product specific hints, please refer to the ”Remarks” section. Immunocytochemistry (ICC) on 4% PFA fixed cells. Immunoreactivity is usually revealed by fluorescence. Some antibodies require special fixation methods. For details, please refer to the “Remarks” section. Immunohistochemistry (IHC) on 4% PFA perfusion fixed tissue with 24h PFA post fixation. Immunoreactivity is usually revealed by fluorescence or a chromogenic substrate. Some antibodies require special fixation methods or antigen retrieval steps. For details, please refer to the ”Remarks” section. Immunohistochemistry (IHC-P) of formalin fixed, paraffin embedded (FFPE) tissue (some antibodies require special antigen retrieval steps, please refer to the ”Remarks” section). Immunoreactivity is usually revealed by fluorescence or a chromogenic substrate. Expansion Microscopy (ExM) is a sample preparation and imaging method which employs a dense interconnected web of swellable polymer within a biological specimen. A significantly higher effective resolution can be achieved with a standard microscope setup. For additional experimental details, please refer to the Remarks section.
Clone	Rb2G8
Subtype	IgG1 (κ light chain)
Immunogen	Recombinant protein corresponding to the N-terminal half of human Homer 1 (UniProt Id: Q86YM7)
Reactivity	Reacts with: rat (Q9Z214), mouse (Q9Z2Y3), human (Q86YM7). Other species not tested yet.
Specificity	Specific for Homer 1. According to Soloviev et al. (2000), aa 1 - 180 are present in isoforms a, b, c and d.
Matching control protein/peptide	160-0P
Remarks	This antibody is a chimeric antibody based on the well known monoclonal mouse antibody clone 2G8. The constant regions of the heavy and light chains have been replaced by rabbit specific sequences. Therefore, the antibody can be used with standard anti-rabbit secondary reagents. The antibody has been expressed in mammalian cells. ExM: This antibody has been successfully used for the epitope-preserving magnified analysis of the proteome (eMAP) expansion microscopy method (Park et al. 2021. PMID: 34767453).
Data sheet	160_008.pdf

References for Homer1 - 160 008

A novel synaptopathy-defective synaptic vesicle protein trafficking in the mutant CHMP2B mouse model of frontotemporal dementia.
Clayton EL, Bonnycastle K, Isaacs AM, Cousin MA, Schorge S
Journal of neurochemistry (2022) 1603: 412-425. 160 008 WB; tested species: mouse

Cat. No.: 160 008

Amount: 50 µg

Price: $415.00

ICC

Background

Homer is a scaffolding protein of the post synaptic density (PSD) and enriched at excitatory synapses. The protein binds metabotropic glutamate receptors, TRPC1, proteins of the Shank family and others. By aggregating these proteins into clusters, homer was suggested to organize distinct signalling domains.
Three isoforms, Homer 1, 2 and 3 have been described. Each of these isoforms is subject to alternative splicing yielding the splice variants a, b, c, d.

1 ) Kammermeier PJ et al., BMC Neurosci (2006)
2 ) Yamamoto K et al., Eur. J. Neurosci. (2005)
3 ) Thomas U et al., J. Neurochem. (2002)
4 ) Ango F et al., Mol. Cell. Neurosci. (2002)
5 ) Sala C et al., Neuron (2001)
6 ) Ciruela F et al., Mol. Cell. Neurosci. (2000)
7 ) Xiao B et al., Curr. Opin. Neurobiol. (2000)
8 ) Tu JC et al., Neuron (1999)
9 ) Brakeman PR et al., Nature (1997)
10 ) Shiraishi Y et al., J. Comp. Neurol. (2004)

Protocols

Standard protocol

ICC

OTHER

Preabsorbtion

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