{"product_id":"hspa2-antibody-bha17109310","title":"HSPA2 Antibody","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eHSPA2 Antibody is a research-use antibody directed against \u003cstrong\u003eHSPA2\u003c\/strong\u003e. It is supplied for use in common immunoassay contexts such as WB, IHC-P (RUO).\u003c\/p\u003e\n\n\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003e\n\u003cstrong\u003eTarget:\u003c\/strong\u003e HSPA2.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eDescription (provided):\u003c\/strong\u003e HSPA2 (heat shock 70kDa protein 2) is also known as HEAT-SHOCK PROTEIN, 70-KD, 2, HSP70-2, HEAT-SHOCK PROTEIN, 70-KD, 3 or HSP70-3.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eAntibody type:\u003c\/strong\u003e Mouse, clone 4A4, Mouse IgG1.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Purified; Protein G affinity.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eReported\/predicted localization:\u003c\/strong\u003e Cytoplasm.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eSpecies reactivity:\u003c\/strong\u003e tested: Human.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eImmunogen (if provided):\u003c\/strong\u003e Amino acids KISEQDKNKILDKCQEVINWLDRNQMAEKDEYEHK was used as the immunogen for the HSPA2 antibody..\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe information above helps you match the antibody format to your assay context, interpret species-dependent differences, and anticipate how epitope context (isoforms, PTMs, or conformational state) may influence signal.\u003c\/p\u003e\n\n\u003ch2\u003eBiological background\u003c\/h2\u003e\n\u003cp\u003eHSPA2 (heat shock 70kDa protein 2) is also known as HEAT-SHOCK PROTEIN, 70-KD, 2, HSP70-2, HEAT-SHOCK PROTEIN, 70-KD, 3 or HSP70-3. Analysis of the sequence indicated that HSPA2 is the human homolog of the murine Hsp70-2 gene, with 91.7% identity in the nucleotide coding sequence and 98.2% in the corresponding amino acid sequence. HSPA2 has less amino acid homology to the other members of the human HSP70 gene family. HSPA2 is constitutively expressed in most tissues, with very high levels in testis and skeletal muscle. The HSPA2 gene is located on chromosome 14q22-q24. Immunohistochemical analysis detected weak expression of HSPA2 in spermatocytes and stronger expression in spermatids and in the tail of mature sperm. HSPA2 may be critical to sperm maturation through its role as a protein chaperone.\u003c\/p\u003e\n\u003cp\u003eFor curated annotations (gene\/protein naming, domains, isoforms, and pathway links) for HSPA2, consult primary databases such as UniProt, NCBI Gene, and Ensembl.\u003c\/p\u003e\n\n\u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003eContext-dependent expression studies: researchers often examine HSPA2 abundance and localization across perturbations (genetic, pharmacologic, or environmental) to connect phenotype to molecular changes.\u003c\/li\u003e  \u003cli\u003eReagent reproducibility: there is growing emphasis on antibody specificity checks using orthogonal approaches (e.g., genetic perturbation or independent antibodies) and transparent reporting of clone\/lot information.\u003c\/li\u003e  \u003cli\u003eMulti-modal datasets: antibody-based readouts are increasingly combined with transcriptomics and imaging to relate protein-level measurements to cell-state transitions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon research applications\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003eWestern blotting (immunoblot) for relative detection of target protein abundance and apparent molecular weight.\u003c\/li\u003e  \u003cli\u003eImmunohistochemistry for spatial mapping of target expression across tissues and cell types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen comparing conditions, interpret changes in signal in the context of sample composition, expected localization, and any known isoform complexity for the target.\u003c\/p\u003e\n\n\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003e\n\u003cstrong\u003eIsoforms and PTMs:\u003c\/strong\u003e alternative splicing or post-translational modifications can change epitope accessibility and apparent molecular weight; interpret bands\/signals accordingly.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eCross-reactivity and matrix effects:\u003c\/strong\u003e background binding can vary by sample type, species, and blocking\/detection chemistries; include appropriate negative controls.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eControl concepts:\u003c\/strong\u003e where feasible, use genetic perturbation (KO\/KD\/overexpression), orthogonal assays, or independent antibodies to support specificity claims.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAntibody considerations:\u003c\/strong\u003e Polyclonal reagents may recognize multiple epitopes and can increase sensitivity but may show broader binding profiles, while monoclonal clones provide a single-epitope readout that can improve consistency across experiments. If a conjugate is listed, the antibody supports more direct detection workflows; otherwise, it is typically used with a compatible secondary antibody.\u003c\/p\u003e\n\n\u003c!-- Sources (internal):\n- UniProtKB entry for HSPA2 (UniProt): https:\/\/www.uniprot.org\/uniprotkb\/P54652\n- NCBI Gene search for HSPA2 (NCBI): https:\/\/www.ncbi.nlm.nih.gov\/gene\/?term=HSPA2\n- Ensembl gene search for HSPA2 (Ensembl): https:\/\/www.ensembl.org\/Multi\/Search\/Results?q=HSPA2\n- Antibody validation “5 pillars” (Nature Methods, 2016): https:\/\/www.nature.com\/articles\/nmeth.3995\n- NIH replication \u0026 reproducibility resources (NIH): https:\/\/www.nih.gov\/replicationandreproducibility\n- Human Protein Atlas search for HSPA2 (HPA): https:\/\/www.proteinatlas.org\/search\/HSPA2\n--\u003e","brand":"NSJ Bioreagents","offers":[{"title":"0.5mg\/ml if reconstituted with 0.2ml sterile DI water \/ 100 ug","offer_id":53044469137773,"sku":"RQ4498","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/get_image_af97b2fc-5161-4dfe-84d2-7ba18412387f.jpg?v=1771938914","url":"https:\/\/www.ebiohippo.com\/products\/hspa2-antibody-bha17109310","provider":"BioHippo","version":"1.0","type":"link"}