Human Claudin-4 Fluorescein-conjugated Antibody

  • Species Reactivity
  • Specificity
    Detects human Claudin‑4. Stains human Claudin-4 transfectants but not irrelevant transfectants. Recognizes an epitope in the first extracellular loop (aa Met29-Arg81).
  • Source
    Monoclonal Mouse IgG2A Clone # 382321
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    NS0 mouse myeloma cell line transfected with human Claudin-4
    Accession # NP_001296
  • Formulation
    Supplied in a saline solution containing BSA and Sodium Azide.
  • Label
  • Flow Cytometry
    10 µL/106 cells
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Claudin‑4 in PC‑3 Human Cell Line by Flow Cytometry. PC‑3 human prostate cancer cell line was stained with Mouse Anti-Human Claudin‑4 Fluorescein‑conjugated Monoclonal Antibody (Catalog # FAB4219F, filled histogram) or isotype control antibody (Catalog # IC003F, open histogram). View our protocol for Staining Membrane-associated Proteins.
Preparation and Storage
  • Shipping
    The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
  • Stability & Storage
    Protect from light. Do not freeze.
    • 12 months from date of receipt, 2 to 8 °C as supplied.
Background: Claudin-4
Claudin-4 is a multipass membrane protein in the claudin family of tight junction proteins. Claudin-4 is a 209 amino acid molecule with four transmembrane segments. It is preferentially expressed in intestinal mucosa epithelium and is involved in epithelial tissue development. It is also up-regulated in several carcinomas. Phosphorylation of Claudin-4 regulates paracellular epithelial permeability. Human Claudin-4 shares 83% aa sequence identity with mouse and rat Claudin-4.
  • Entrez Gene IDs:
    1364 (Human); 12740 (Mouse); 304407 (Rat)
  • Alternate Names:
    claudin 4; Claudin4; CLDN4; Clostridium perfringens enterotoxin receptor 1; Clostridium perfringens enterotoxin receptor; CPE-R; CPE-RCPETR; CPE-receptor; CPETR1; hCPE-R; WBSCR8; WBSCR8CPERCPETR1claudin-4; Williams-Beuren syndrome chromosomal region 8 protein
Related Research Areas
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG2A Fluorescein-conjugated Antibody

Ctrl IC003F 6  
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Staining Reagents
Description Application Cat# Citations Images  

Flow Cytometry Staining Buffer (1X)

Flow FC001 3
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Flow Cytometry Mouse Lyse Buffer (10X)

Flow FC003 1
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Flow Cytometry Human Lyse Buffer (10X)

Flow FC002 1
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