| Field | Specification |
|---|---|
| Mfr No | |
| Clonality | |
| Host | |
| Immunogen | E.coli-derived human GRK1 recombinant protein (Position: Q28-E524) was used as the immunogen for the GRK1 antibody. |
| Isotype | |
| Product Type | |
| Purity | |
| Reactivity | |
| Storage | |
| Target | |
| UniProt # |
Overview
GRK1 Antibody / G protein-coupled receptor kinase 1 is a anti-GRK1 Rabbit antibody Polyclonal (rabbit origin) supplied in Lyophilized format. Recommended for workflows such as Western blot (WB), Immunohistochemistry (IHC), ELISA with listed reactivity in Mouse, Rat. Reported localization: Cytoplasm.
Key elements and design rationale
- Target: GRK1
- Antibody details: Rabbit, Polyclonal (rabbit origin), isotype Rabbit IgG
- Format: Lyophilized
- Applications (as listed): WB, IHC, ELISA
Biological background
Functionally, GRK1 antibody identifies a 563-amino-acid cytoplasmic enzyme containing an N-terminal regulator of G protein signaling (RGS) domain, a central catalytic kinase domain, and a C-terminal prenylation site that targets it to photoreceptor membranes. GRK1 phosphorylates activated rhodopsin, facilitating its binding to arrestin and preventing further activation of transducin, thus restoring photoreceptor sensitivity.
The GRK1 gene is located on chromosome 13q34 and is specifically expressed in retinal rod cells and pinealocytes. GRK1�s activity is essential for proper phototransduction and dark adaptation. Its regulation ensures rapid recovery of vision after exposure to light and protects photoreceptors from overstimulation.
Pathologically, GRK1 mutations cause Oguchi disease type 2 and congenital stationary night blindness due to impaired rhodopsin deactivation. Dysregulated GRK1 activity can also contribute to retinal degeneration through prolonged receptor activation and phototoxicity. Research using GRK1 antibody supports studies in phototransduction, GPCR signaling, and inherited retinal disorders.
GRK1 antibody is validated for western blotting, immunofluorescence, and immunohistochemistry to detect visual cycle kinases and photoreceptor signaling proteins.
Structurally, G protein-coupled receptor kinase 1 belongs to the AGC kinase family, with catalytic residues coordinating ATP and substrate binding. Its C-terminal prenylation motif facilitates membrane association. This antibody aids investigation of GRK1's role in receptor desensitization and visual adaptation.
Research relevance and current trends
- Connecting protein-level changes to phenotype using orthogonal readouts (genetic perturbation, transcriptomics, imaging).
- Considering isoforms and post-translational regulation when interpreting protein-level changes.
- Comparing results across species and model systems with matched controls.
Common research applications
- Western blotting: compare relative abundance and activation-state changes across conditions.
- Immunohistochemistry: map target signal in tissue context and compare regions/phenotypes.
- ELISA: support antibody-based quantification in assay formats where applicable.
Interpret changes in signal alongside appropriate controls and, when relevant, in parallel with total-protein or pathway readouts.
Notes for experimental interpretation
- Signal can reflect expression level, isoform composition, and post-translational state; interpret results in the context of your model system and stimuli.
- Species differences and sample matrices can influence epitope recognition; prioritize matched controls and orthogonal confirmation when feasible.
Antibody notes: Polyclonal antibodies recognize multiple epitopes, which can broaden the epitope footprint and may increase sensitivity in some contexts.
Customization & Add-ons: Can’t find the antibody you need—or require a custom format for your assay? We can help you source the best match or support custom antibody solutions for diverse research needs, including species and isotype selection, conjugations and labeling (e.g., HRP/AP, biotin, fluorophores), purification grade options (Protein A/G, affinity purified), formulation preferences (buffer selection, carrier-free, glycerol-free), custom concentrations and aliquoting, low-endotoxin options for cell-based work, and application-focused QC/validation support (project dependent). Click Talk to a Scientist to submit a request, email us at support@biohippo.com, or explore our Research Services for additional support—our team will follow up with feasibility details and next steps.
