Anti-SPON2 Antibody Picoband®

Overview

Anti-SPON2 Antibody Picoband® is an antibody reagent for detection of SPON2 (BAG family molecular chaperone regulator 5). Researchers commonly use anti-SPON2 antibodies to measure relative expression and localization across biological samples, with assay selection guided by the listed applications (WB, IHC, Flow, ELISA).

Boster Bio Anti-SPON2 Antibody Picoband® catalog # A07465-1. Tested in ELISA, WB applications. This antibody reacts with Human. 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.

Key elements and design rationale

• Target: SPON2 — BAG family molecular chaperone regulator 5 (BAG family molecular chaperone regulator 5). Alternative names: BAG family molecular chaperone regulator 5;BAG-5;Bcl-2-associated athanogene 5;BAG5;KIAA0873;
• Antibody format: Polyclonal; Rabbit IgG
• Species context: Host: Rabbit, Reactivity: Human
• Purification: Immunogen affinity purified.
• Immunogen: E.coli-derived human SPON2 recombinant protein (Position: Q53-V331).
• Molecular weight context: observed 39 kDa, calculated 51200 MW (reported)
• Provided application(s): WB, IHC, Flow, ELISA

These attributes help contextualize how the antibody is commonly selected (host/clonality/isotype/label) and how signals are interpreted across sample types and assay formats.

Biological background

Function: Inhibits both auto-ubiquitination of PARK2 and ubiquitination of target proteins by PARK2 (By similarity). May function as a nucleotide exchange factor for HSP/HSP70, promoting ADP release, and activating Hsp70-mediated refolding. .

Cellular localization: Perinuclear region.

Tissue details: Expressed in all tissues examined with lower levels in brain and testis.

Background: Spondin 2, also known as mindin, is a protein that in humans is encoded by the SPON2 gene. SPON2 (spondin 2, mindin) is an extracellular matrix protein belonging to the mindin/F-spondin family. The protein has two amino terminal follistatin-like (FS) domains and a carboxy terminal thrombospondin type 1 repeat (TSR) domain. The FS domains mediate interactions between SPON2 and integrins, whereas the TSR domain contributes to the role of SPON2 as a pathogen pattern recognition molecule. In that capacity, SPON2 plays an important role in initiation of the innate immune response. It functions as a pattern recognition molecule within the extracellular matrix, where it binds to microbial pathogens and presents them to immune cells. Interactions between SPON2 and integrins are also critical for inflammatory cell recruitment and T cell priming. In addition to its role in innate immunity, SPON2 has also been shown to play a role in hippocampal neuronal outgrowth, cancer metastasis, and diabetic nephropathy.

Cross reactivity: No cross-reactivity with other proteins.

Research relevance and current trends

• Quantitative and spatial profiling: expression patterns are increasingly studied across cell states using multiplex imaging and omics-informed validation.
• Isoforms and post-translational modifications: researchers often evaluate how isoform composition and PTMs can shift apparent molecular weight or localization.
• Context-aware interpretation: comparative studies commonly include perturbations (stimulation, inhibition, genetic models) to relate target changes to pathway behavior.

Common research applications

• Western blot (WB): compare relative target abundance and apparent size shifts (e.g., isoforms/PTMs) across conditions.
• Immunohistochemistry (IHC): assess distribution across tissue compartments and compare staining patterns between groups.
• Flow cytometry: quantify target-positive populations and compare shifts after stimulation or differentiation.

Across these uses, researchers typically interpret changes in signal as relative differences between matched sample groups, considering sample preparation and biological context.

Notes for experimental interpretation

• Apparent molecular weight can vary due to isoforms, proteolysis, glycosylation, phosphorylation, and sample preparation differences.
• Species reactivity and epitope conservation can influence observed signal patterns, especially in cross-species studies.
• Control 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.

For 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.

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.