Detects endogenous human, mouse, and rat Annexin A4 in Western blots. In Western blots, this antibody shows no cross-reactivity with recombinant human Annexin A1, A2, A3, A5, A6, A7, A8, A9, A10, A11or A13.
Polyclonal Goat IgG
E. coli-derived recombinant human Annexin A4 Met1-Asp321 Accession # NP_001144
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Detection of Human/Mouse/Rat Annexin A4 by Western Blot.
Western blot shows lysates of HepG2 human hepatocellular carcinoma cell line, NIH‑3T3 mouse embryonic fibroblast cell line, and Rat‑2 rat embryonic fibroblast cell line. PVDF membrane was probed with 1 µg/mL of Human/Mouse/Rat Annexin A4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4146) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for Annexin A4 at approximately 36 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.
Annexin A4 in Human Kidney.
Annexin A4 was detected in immersion fixed paraffin-embedded sections of human kidney using Human/Mouse/Rat Annexin A4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4146) at 10 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). Specific staining was localized to plasma membranes, cytoplasm and nuclei. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Annexin A4
Annexin A4 (ANXA4), also known as Lipocortin IV, placental anticoagulant protein II and zymogen granule membrane-associated protein, 36 kDa (ZAP36), is a 321 amino acid, 36 kDa member of the Annexin protein family. Annexins are a family of Calcium-dependent phospholipid-binding proteins that are preferentially located on the cytosolic face of the plasma membrane. The Annexin’s have a molecular weight of approximately 35 to 40 kDa and consist of a unique amino terminal domain followed by a homologous C-terminal core domain containing the calcium-dependent phospholipid-binding sites. The C terminal domain is comprised of four 60‑70 amino acid repeats, known as annexin repeats or an endonexin fold (Annexin A6 contains 8 annexin repeats). The four annexin repeats form a highly alpha -helical, tightly packed disc known as the annexin domain, which binds to phospholipids in the membrane in a calcium-dependent manner. Members of the annexin family play a role in cytoskeletal interactions, phospholipase inhibition, regulation of cellular growth, and intracellular signal transduction pathways. Human Annexin A4 shares 92% identity with mouse and rat Annexin A4.
Entrez Gene IDs:
307 (Human); 11746 (Mouse); 79124 (Rat)
AIV; Annexin A4; annexin IV (placental anticoagulant protein II); Annexin IV; annexin-4; ANX4; ANX4Carbohydrate-binding protein p33/p41; ANXA4; Chromobindin-4; chromobindin-4,35-beta calcimedin; DKFZp686H02120; Endonexin I; Lipocortin IV; MGC75105; P32.5; PAP-II; PIG28; Placental anticoagulant protein II; PP4-X; proliferation-inducing gene 28; proliferation-inducing protein 28; Protein II; ZAP36
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