{"product_id":"anti-ppp1r13b-antibody-picoband-bha21005612","title":"Anti-PPP1R13B Antibody Picoband®","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eAnti-PPP1R13B Antibody Picoband® is an antibody reagent for detection of \u003cstrong\u003ePPP1R13B\u003c\/strong\u003e (RAB3 GTPase activating non-catalytic protein subunit 2). Researchers commonly use anti-PPP1R13B antibodies to measure relative expression and localization across biological samples, with assay selection guided by the listed applications (WB, IHC, Flow, ELISA).\u003c\/p\u003e\u003cp\u003eBoster Bio Anti-PPP1R13B Antibody Picoband® catalog # A07257-2. Tested in ELISA, WB applications. This antibody reacts with Human, Mouse, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.\u003c\/p\u003e\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget:\u003c\/strong\u003e PPP1R13B — Suppressor of tumorigenicity 7 protein (RAB3 GTPase activating non-catalytic protein subunit 2). Alternative names: Rab3 GTPase-activating protein non-catalytic subunit; RGAP-iso; Rab3 GTPase-activating protein 150 kDa subunit; Rab3-GAP p150; Rab3-GAP150; Rab3-GAP regulatory subunit; RAB3GAP2; KIAA0839\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntibody format:\u003c\/strong\u003e Polyclonal; Rabbit IgG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecies context:\u003c\/strong\u003e Host: Rabbit, Reactivity: Human,Mouse,Rat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurification:\u003c\/strong\u003e Immunogen affinity purified.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmunogen:\u003c\/strong\u003e E.coli-derived human PPP1R13B recombinant protein (Position: F901-A1090).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight context:\u003c\/strong\u003e observed 150 kDa, calculated 67166 MW (reported)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProvided application(s):\u003c\/strong\u003e WB, IHC, Flow, ELISA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese attributes help contextualize how the antibody is commonly selected (host\/clonality\/isotype\/label) and how signals are interpreted across sample types and assay formats.\u003c\/p\u003e\u003ch2\u003eBiological background\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e Regulatory subunit of a GTPase activating protein that has specificity for Rab3 subfamily (RAB3A, RAB3B, RAB3C and RAB3D). Rab3 proteins are involved in regulated exocytosis of neurotransmitters and hormones. Rab3 GTPase-activating complex specifically converts active Rab3-GTP to the inactive form Rab3-GDP. Required for normal eye and brain development. May participate in neurodevelopmental processes such as proliferation, migration and differentiation before synapse formation, and non-synaptic vesicular release of neurotransmitters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCellular localization:\u003c\/strong\u003e Cytoplasm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTissue details:\u003c\/strong\u003e Ubiquitous.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBackground:\u003c\/strong\u003e Apoptosis-stimulating of p53 protein 1 is a protein that in humans is encoded by the PPP1R13B gene. This gene encodes a member of the ASPP (apoptosis-stimulating protein of p53) family of p53 interacting proteins. The protein contains four ankyrin repeats and an SH3 domain involved in protein-protein interactions. ASPP proteins are required for the induction of apoptosis by p53-family proteins. They promote DNA binding and transactivation of p53-family proteins on the promoters of proapoptotic genes. Expression of this gene is regulated by the E2F transcription factor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCross reactivity:\u003c\/strong\u003e No cross-reactivity with other proteins.\u003c\/p\u003e \u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eQuantitative and spatial profiling: expression patterns are increasingly studied across cell states using multiplex imaging and omics-informed validation.\u003c\/li\u003e \u003cli\u003eIsoforms and post-translational modifications: researchers often evaluate how isoform composition and PTMs can shift apparent molecular weight or localization.\u003c\/li\u003e \u003cli\u003eContext-aware interpretation: comparative studies commonly include perturbations (stimulation, inhibition, genetic models) to relate target changes to pathway behavior.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eCommon research applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWestern blot (WB):\u003c\/strong\u003e compare relative target abundance and apparent size shifts (e.g., isoforms\/PTMs) across conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmunohistochemistry (IHC):\u003c\/strong\u003e assess distribution across tissue compartments and compare staining patterns between groups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow cytometry:\u003c\/strong\u003e quantify target-positive populations and compare shifts after stimulation or differentiation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAcross these uses, researchers typically interpret changes in signal as relative differences between matched sample groups, considering sample preparation and biological context.\u003c\/p\u003e \u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eApparent molecular weight can vary due to isoforms, proteolysis, glycosylation, phosphorylation, and sample preparation differences.\u003c\/li\u003e \u003cli\u003eSpecies reactivity and epitope conservation can influence observed signal patterns, especially in cross-species studies.\u003c\/li\u003e \u003cli\u003eControl concepts: include appropriate negative controls (e.g., isotype controls where relevant) and, when feasible, genetic or orthogonal controls (KO\/KD, peptide competition, or independent assays) to support interpretation.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eFor antibody reagents, monoclonal antibodies are often chosen for epitope consistency across lots, while polyclonals may recognize multiple epitopes and can show different background characteristics depending on context.\u003c\/p\u003e \u003c!-- Sources (internal): - UniProt entry for PPP1R13B (Q96KQ4) — UniProt Consortium — https:\/\/www.uniprot.org\/uniprotkb\/Q96KQ4 - Ensembl gene summary for PPP1R13B — Ensembl — https:\/\/www.ensembl.org - HGNC gene symbol report for PPP1R13B — HGNC — https:\/\/www.genenames.org - Antibody validation concepts (general) — NIH\/NCBI resources — https:\/\/www.ncbi.nlm.nih.gov --\u003e","brand":"Boster Bio","offers":[{"title":"100 ug\/vial \/ Unconjugated","offer_id":53068637274477,"sku":"A07257-2","price":370.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Biotin","offer_id":53069244039533,"sku":"A07257-2-Biotin","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Cy3","offer_id":53069244072301,"sku":"A07257-2-Cy3","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Fluoro488","offer_id":53069244105069,"sku":"A07257-2-Fluoro488","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Fluoro550","offer_id":53069244137837,"sku":"A07257-2-Fluoro550","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Fluoro594","offer_id":53069244170605,"sku":"A07257-2-Fluoro594","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ FITC","offer_id":53069244203373,"sku":"A07257-2-FITC","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ HRP","offer_id":53069244236141,"sku":"A07257-2-HRP","price":570.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ APC","offer_id":53069244268909,"sku":"A07257-2-APC","price":820.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ PE","offer_id":53069244301677,"sku":"A07257-2-PE","price":820.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Fluoro647","offer_id":53069244334445,"sku":"A07257-2-Fluoro647","price":670.0,"currency_code":"USD","in_stock":true},{"title":"100 ug\/vial \/ Carrier Free","offer_id":53069244367213,"sku":"A07257-2-carrier-free","price":370.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/a07257-2-ppp1r13b-primary-antibodies-wb-testing-1.jpg?v=1772611651","url":"https:\/\/www.ebiohippo.com\/products\/anti-ppp1r13b-antibody-picoband-bha21005612","provider":"BioHippo","version":"1.0","type":"link"}