{"product_id":"anti-prokineticin-receptor-2-extracellular-antibody-bha21301126","title":"Anti-Prokineticin Receptor 2 (extracellular) Antibody","description":"\u003ch2\u003eOverview\u003c\/h2\u003e \u003cp\u003eAnti-Prokineticin Receptor 2 (extracellular) Antibody is an antibody targeting PROKR2, PKR2, G-protein coupled receptor 73-like 1, Gpr73l1, Gpr73b, G-protein coupled receptor I5E Polyclonal raised in Rabbit (Unconjugated). This antibody is commonly used in IF, IFC, IHC, LCI, WB to detect, localize, or compare expression of the target across samples.\u003c\/p\u003e  \u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e \u003cul\u003e   \u003cli\u003e\n\u003cstrong\u003eTarget:\u003c\/strong\u003e PROKR2, PKR2, G-protein coupled receptor 73-like 1, Gpr73l1, Gpr73b, G-protein coupled receptor I5E (also reported as PROKR2, PKR2, G-protein coupled receptor 73-like 1, Gpr73l1, Gpr73b, G-protein coupled receptor I5E).\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eImmunogen\/epitope region:\u003c\/strong\u003e Extracellular, N-terminus.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHomology note:\u003c\/strong\u003e Mouse - 11\/13 amino acid residues identical; human - 9\/13 amino acid residues identical (informative for cross-species interpretation).\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eSpecies reactivity (as provided):\u003c\/strong\u003e Rat, Mouse.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eKO-validated:\u003c\/strong\u003e yes (validation context may be assay-dependent).\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eLot quality control (as provided):\u003c\/strong\u003e Western blot analysis.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePeptide confirmation:\u003c\/strong\u003e Confirmed by amino acid analysis and mass spectrometry.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBlocking peptide:\u003c\/strong\u003e Available for antigen preadsorption control where appropriate.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThese attributes help researchers interpret whether signal reflects the intended target in a given assay and sample context.\u003c\/p\u003e  \u003ch2\u003eBiological background\u003c\/h2\u003e \u003cp\u003eThe Prokineticins (PK1 and PK2) are a pair of cysteine-rich secreted peptides with broad physiological functions including gastrointestinal motility, angiogenesis, hematopoiesis and circadian rhythms regulation.The biological effects of PK1 and PK2 are mediated by two highly homologous receptors termed Prokineticin receptor 1 (PKR1) and Prokineticin receptor 2 (PKR2) that belong to the 7-transmembrane domain, G-protein coupled receptor (GPCR) superfamily. Both PK ligands activate the two PK receptors with similar potency.1PKR2 receptors couple to Gq\/G11 proteins leading to phospholipase C activation, inositol phosphate production and calcium mobilization.The distribution of PKR2 is relatively restricted with high expression levels in the brain, spinal cord and dorsal root ganglions, in organs of the reproductive system and in endocrine tissues such as the thyroid, pituitary and adrenal glands.1The PK2 ligand has been shown to be involved in the regulation of circadian rhythms of physiological and behavioral processes in mammals, probably through signaling via PKR2 which is highly expressed in the suprachiasmatic nucleus (SCN), an area of the brain that controls circadian rhythm processes.2In addition, loss-of-function mutations in the PKR2 gene have been associated with Kallmann Syndrome, a condition characterized by idiopathic hypogonadotropic hypogonadism (IHH) in combination with anosmia, a compromised sense of smell.3\u003c\/p\u003e  \u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e \u003cul\u003e   \u003cli\u003eComparing target expression across perturbations, genotypes, or treatment conditions.\u003c\/li\u003e   \u003cli\u003eInterpreting localization shifts alongside pathway or phenotypic readouts.\u003c\/li\u003e   \u003cli\u003eUsing orthogonal controls (KO\/KD, peptide competition, isotype concepts) to support conclusions.\u003c\/li\u003e \u003c\/ul\u003e  \u003ch2\u003eCommon research applications\u003c\/h2\u003e \u003cul\u003e   \u003cli\u003eWestern blot (WB): compare target abundance\/size across lysates and conditions; consider isoforms\/PTMs.\u003c\/li\u003e   \u003cli\u003eImmunohistochemistry (IHC): examine spatial distribution in tissue and relate signal to cell-type composition.\u003c\/li\u003e   \u003cli\u003eImmunofluorescence\/ICC: assess subcellular localization and co-localization with markers in cells or sections.\u003c\/li\u003e   \u003cli\u003eFlow cytometry (direct\/indirect): quantify target-positive populations and shifts in expression across subsets.\u003c\/li\u003e   \u003cli\u003eLive cell imaging (LCI): support extracellular-epitope detection on non-permeabilized cells when appropriate.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eInterpretation typically benefits from comparing matched sample sets (e.g., treated vs control, WT vs KO\/KD) and using orthogonal readouts where feasible.\u003c\/p\u003e  \u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e \u003cul\u003e   \u003cli\u003eIsoforms and post-translational modifications can shift apparent molecular weight or epitope accessibility across samples.\u003c\/li\u003e   \u003cli\u003eCross-species signal may depend on epitope conservation; consult the provided homology note when selecting models.\u003c\/li\u003e   \u003cli\u003ePermeabilization, fixation, and antigen retrieval can change accessibility of intracellular vs extracellular epitopes.\u003c\/li\u003e   \u003cli\u003eConceptual control: antigen preadsorption (blocking peptide) can help assess signal dependence on the immunogen region.\u003c\/li\u003e   \u003cli\u003eConceptual control: KO\/KD samples provide orthogonal support for target assignment when available.\u003c\/li\u003e   \u003cli\u003eProvided control suggestions: Negative control: BLP-PR042.\u003c\/li\u003e   \u003cli\u003eApplication notes: see product-specific dilution\/usage notes and control concepts provided in the dataset.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eApplication abbreviations:\u003c\/strong\u003e 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. \u003cstrong\u003eSpecies abbreviations:\u003c\/strong\u003e H- Human, M- Mouse, R- Rat.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eRecommended controls:\u003c\/strong\u003e Blocking peptide: BLP-PR042; Negative control: BLP-PR042.\u003c\/p\u003e \u003c!-- Sources (internal): - Alomone Labs product page scientific background (as provided in this catalog row) - UniProt Knowledgebase (target-level reference) - NCBI Gene (target-level reference) - General antibody validation principles (KO\/KD, peptide competition, isotype control concepts) --\u003e","brand":"Alomone Labs","offers":[{"title":"0.2 ml (Carrier Free) \/ 1","offer_id":53064853356909,"sku":"APR-042-CF-0P2ML-1","price":994.0,"currency_code":"USD","in_stock":true},{"title":"0.2 ml \/ 1","offer_id":53064966472045,"sku":"APR-042-0P2ML-1","price":795.0,"currency_code":"USD","in_stock":true},{"title":"50 mcl \/ 1","offer_id":53064966504813,"sku":"APR-042-50MCL-1","price":697.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/APR-042_ept.gif?v=1772461072","url":"https:\/\/www.ebiohippo.com\/products\/anti-prokineticin-receptor-2-extracellular-antibody-bha21301126","provider":"BioHippo","version":"1.0","type":"link"}