CLAUDIN4 Antibody Cat. No.: 7025

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psi-iconSpecifications
HOST SPECIES:Rabbit
SPECIES REACTIVITY: Human
HOMOLOGY: Predicted species reactivity based on immunogen sequence: Bovine: (94%), Mouse (94%) and Rat (88%).
IMMUNOGEN: Anti-CLAUDIN4 antibody (7025) was raised against a peptide corresponding to 17 amino acids near the carboxy terminus of human CLAUDIN4.

The immunogen is located within the last 50 amino acids of CLAUDIN4.
TESTED APPLICATIONS: ELISA, IF, WB
APPLICATIONS: WB: 0.5-2 μg/mL; IF: 20 μg/mL.

Antibody validated: Western Blot in human samples; Immunofluorescence in human samples. All other applications and species not yet tested.
SPECIFICITY: At least four isoforms of CLAUDIN4 are known to exist; CLAUDIN4 antibody will detect all four isoforms
POSITIVE CONTROL:1) Cat. No. 1219 - MCF7 Cell Lysate
 2) Cat. No. 1220 - SK-N-SH Cell Lysate
PREDICTED MOLECULAR WEIGHT: Predicted: 22kD

Observed: 22 kD
psi-iconAdvanced Validation
VALIDATION:

Independent Antibody Validation in Cell lines (Figure 1) shows similar CLAUDIN4 expression profile in human cell lines detected by two independent anti-CLAUDIN4 antibodies that recognize different epitopes, 7025 against C-terminus domain and 24-028 against C-terminus domain.  CLAUDIN4 proteins are detected in the most tested cell lines at different expression levels by the two independent antibodies. 

ISOFORMS: Human CLAUDIN4 has one isoform (209aa, 22kD). Mouse CLAUDIN4 has one isoform (210aa, 22kD) and Rat CLAUDIN4 also has one isoform (210aa, 22kD). 7025 can detect human, mouse and rat.

psi-iconProperties
PURIFICATION:CLAUDIN4 Antibody is affinity chromatography purified via peptide column.
CLONALITY:Polyclonal
ISOTYPE:IgG
CONJUGATE:Unconjugated
PHYSICAL STATE:Liquid
BUFFER:CLAUDIN4 Antibody is supplied in PBS containing 0.02% sodium azide.
CONCENTRATION:1 mg/mL
STORAGE CONDITIONS:CLAUDIN4 antibody can be stored at 4˚C for three months and -20˚C, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.

psi-iconAdditional Info
OFFICIAL SYMBOL:CLDN4
ALTERNATE NAMES:CLAUDIN4 Antibody: CPER, CPE-R, CPETR, CPETR1, WBSCR8, hCPE-R, CPER, Claudin-4, Clostridium perfringens enterotoxin receptor
ACCESSION NO.:NP_001296
PROTEIN GI NO.:4502877
GENE ID:1364
USER NOTE:Optimal dilutions for each application to be determined by the researcher.
psi-iconBackground and References
BACKGROUND:CLAUDIN4 Antibody: CLAUDIN4 is an integral membrane protein belonging to the claudin family, a family of cellular adhesion molecules that are components of tight junctions. CLAUDIN4 is a component of tight junction strands and may play a role in internal organ development and function during pre- and postnatal life. The CLAUDIN4 gene is deleted in Williams-Beuren syndrome, a neurodevelopmental disorder affecting multiple systems. CLAUDIN4 is frequently overexpressed in ovarian and other epithelial cancers.
REFERENCES:1) Mitic et al. Protein Sci. 2003; 12:218-27.
2) Paperna et al. Genomics 1998; 54:453-9.
3) Morin. Cancer Res. 2005; 65:9603-6.

ANTIBODIES FOR RESEARCH USE ONLY.

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