| Field | Specification |
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| Alternative Names | κ-Type 3 opioid receptor, KOR-3, Orphanin FQ receptor, ROR-C, XOR1, ORL1, N/OFQ receptor |
| Clonality | |
| Conjugate | |
| Host | |
| Isotype | |
| Product Type | |
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Overview
Anti-Nociceptin Receptor (OPRL1) Antibody is an antibody targeting κ-Type 3 opioid receptor, KOR-3, Orphanin FQ receptor, ROR-C, XOR1, ORL1, N/OFQ receptor Polyclonal raised in Rabbit (Unconjugated). This antibody is commonly used in WB to detect, localize, or compare expression of the target across samples.
Key elements and design rationale
- Target: κ-Type 3 opioid receptor, KOR-3, Orphanin FQ receptor, ROR-C, XOR1, ORL1, N/OFQ receptor (also reported as κ-Type 3 opioid receptor, KOR-3, Orphanin FQ receptor, ROR-C, XOR1, ORL1, N/OFQ receptor).
- Immunogen/epitope region: Intracellular, C-terminus.
- Homology note: Mouse - identical; human - 13/16 amino acid residues identical (informative for cross-species interpretation).
- Species reactivity (as provided): Human, Rat, Mouse.
- Lot quality control (as provided): Western blot analysis.
- Peptide confirmation: Confirmed by amino acid analysis and mass spectrometry.
- Blocking peptide: Available for antigen preadsorption control where appropriate.
- Conjugate/format: Unconjugated (may affect detection channel and background).
These attributes help researchers interpret whether signal reflects the intended target in a given assay and sample context.
Biological background
Nociceptin/orphanin FQ (N/OFQ), a 17 amino acid peptide, is the endogenous agonist of the nociceptin/orphanin FQ peptide (NOP) receptor (previously termed ORL1 receptor) which belongs to the class A (Rhodopsin-like) γ subfamily of G protein-coupled receptors (GPCRs). Like all members the receptor has a common seven-transmembrane helical structure and is coupled predominantly to heterotrimeric Gi/Go proteins. N/OFQ receptor shows a high degree of structural homology with the μ-, δ- and κ-opioid receptors1.
Research relevance and current trends
- Mapping receptor/channel localization across neuronal subtypes and subcellular compartments.
- Linking trafficking or surface expression changes to activity-dependent signaling and plasticity.
- Using KO/KD or blocking-peptide concepts to strengthen antibody-based target assignment.
Common research applications
- Western blot (WB): compare target abundance/size across lysates and conditions; consider isoforms/PTMs.
Interpretation typically benefits from comparing matched sample sets (e.g., treated vs control, WT vs KO/KD) and using orthogonal readouts where feasible.
Notes for experimental interpretation
- Isoforms and post-translational modifications can shift apparent molecular weight or epitope accessibility across samples.
- Cross-species signal may depend on epitope conservation; consult the provided homology note when selecting models.
- Permeabilization, fixation, and antigen retrieval can change accessibility of intracellular vs extracellular epitopes.
- Conceptual control: antigen preadsorption (blocking peptide) can help assess signal dependence on the immunogen region.
- Provided control suggestions: Negative control: BLP-OR015.
- Application notes: see product-specific dilution/usage notes and control concepts provided in the dataset.
Application abbreviations: CBE- Cell-based ELISA, FC- Flow cytometry, ICC- Immunocytochemistry, IE- Indirect ELISA, IF- Immunofluorescence, IFC- Indirect flow cytometry, IHC- Immunohistochemistry, IP- Immunoprecipitation, LCI- Live cell imaging, N- Neutralization, WB- Western blot. Species abbreviations: H- Human, M- Mouse, R- Rat.
Recommended controls: Blocking peptide: BLP-OR015; Negative control: BLP-OR015.
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.
