{"product_id":"protein-phosphatase-3-formerly-2b-catalytic-subunit-gamma-isoform-calcineurin-a-gamma-adenovirus-ad-pp2b-calna3-bhv21600232","title":"Protein phosphatase 3 (formerly 2B), catalytic subunit, gamma isoform (calcineurin A gamma) Adenovirus (Ad-PP2B\/CALNA3)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eAd-PP2B\/CALNA3 is a replication-defective recombinant human adenovirus type 5 (Ad5) expressing the PP2B\/CALNA3 gene under the CMV promoter. The vector backbone has E1 and E3 deleted, rendering it non-replicative and accommodating the transgene cassette.\u003c\/p\u003e\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackbone:\u003c\/strong\u003e Human adenovirus type 5 (Ad5) with E1 and E3 deleted (dE1\/E3). Replication-incompetent in standard cells; replication-competent helper cells (HEK293) are required for amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePromoter (CMV):\u003c\/strong\u003e a strong, ubiquitous promoter active in most mammalian cell types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransgene:\u003c\/strong\u003e PP2B\/CALNA3.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiter \u0026amp; format:\u003c\/strong\u003e 1×10\u003csup\u003e10\u003c\/sup\u003e PFU\/ml in storage buffer (DMEM, 2% BSA, 2.5% glycerol or equivalent), supplied as a 200 µL aliquot.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBiological background\u003c\/h2\u003e\u003cp\u003eCalmodulin-dependent protein phosphatase, calcineurin, is involved in a wide range of biologic activities, acting as a Ca(2+)-dependent modifier of phosphorylation status. In testis, the motility of the sperm is thought to be controlled by cAMP-dependent phosphorylation and a unique form of calcineurin appears to be associated with the flagellum. The calcineurin holoenzyme is composed of catalytic and regulatory subunits of 60 and 18 kD, respectively. At least 3 genes, calcineurin A-alpha (CALNA1), calcineurin A-beta (CALNA2), and calcineurin A-gamma (CALNA3), have been cloned for the catalytic subunit. The protein phosphatase (PP) holoenzyme is a trimeric complex composed of a regulatory subunit, a variable subunit and a catalytic subunit. Four major families of protein phosphatase catalytic subunits have been identified and are designated PP1, PP2A, PP2B (calcineurin) and PP2C. The PP1 family comprises subfamily members PP1-alpha, PP1-beta and PP1-gamma. The PP2A family comprises subfamily members PP2A-alpha and PP2A-beta. The PP2B family comprises subfamily members PP2B-A-alpha, PP2B-A-beta and PP2B-A-gamma. The PP2C family comprises PP2C-alpha, PP2C-beta and PP2C-gamma. Wip1, a protein identified in the p53 DNA response pathway, has also been identified as a potential member of the PP2C family. Regulatory subunits include nuclear inhibitor of PP1 (NIPP1), PP2A-A-alpha and -A-beta, PP2A-B-alpha, -B-beta and -B-gamma, PP2A-C-alpha and -C-beta, PP2A-B56-alpha and -B56-beta, PR48 and PP2B-B1 and -B2.\u003c\/p\u003e\u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDecision-relevant for researchers studying Pp2B\/Calna3.\u003c\/li\u003e\n\u003cli\u003eAdenovirus-mediated delivery is well-established in primary cells, organoids, and small-animal models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon research applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePathway activation studies in cell lines and primary cells.\u003c\/li\u003e\n\u003cli\u003eGain-of-function phenotyping in disease-relevant cell models.\u003c\/li\u003e\n\u003cli\u003eRescue experiments paired with shRNA knockdown of the same target.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAdenoviral delivery is episomal and non-integrating; expression dilutes with cell division and typically lasts 1–2 weeks in dividing cells (longer in non-dividing cells such as hepatocytes, neurons, and cardiomyocytes).\u003c\/li\u003e\n\u003cli\u003ePre-existing anti-Ad5 neutralizing antibodies are common in human and primate hosts and can reduce in vivo transduction; this is less relevant in inbred laboratory mouse strains.\u003c\/li\u003e\n\u003cli\u003eMOI optimization is essential — over-dosing can cause cytopathic effects; under-dosing yields incomplete transduction. A 3–5× MOI titration in your specific cell or animal model is recommended.\u003c\/li\u003e\n\u003cli\u003eReplication-defective Ad5 vectors are typically handled at BSL-2; consult your institutional biosafety officer for specific transgenes and routes of use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c!-- Sources (internal):\n  - NCBI Gene: https:\/\/www.ncbi.nlm.nih.gov\/gene\n  - UniProt: https:\/\/www.uniprot.org\/\n  - Russell WC. Adenoviruses: update on structure and function. J Gen Virol 2009; 90:1–20.\n  - Alba R, Bosch A, Chillon M. Gutless adenovirus: last-generation adenovirus for gene therapy. Gene Ther 2005; 12 Suppl 1:S18–27.\n  - Vendor reference: https:\/\/www.vectorbiolabs.com\/product\/1537-protein-phosphatase-3-formerly-2b-catalytic-subunit-gamma-isoform-calcineurin-a-gamma-adenovirus\/\n--\u003e","brand":"Vector Biolabs","offers":[{"title":"1x10^10 PFU\/ml \/ 200 µL","offer_id":53286495289709,"sku":"1537","price":690.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.ebiohippo.com\/products\/protein-phosphatase-3-formerly-2b-catalytic-subunit-gamma-isoform-calcineurin-a-gamma-adenovirus-ad-pp2b-calna3-bhv21600232","provider":"BioHippo","version":"1.0","type":"link"}