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- Table of Contents
Designing a Western blot for Claudin-4? The guide has the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the CLDN4 Western Blot GuideFacts about Claudin-4.
Claudins play a major role in tight junction-specific obliteration of the intercellular space, through calcium-independent cell-adhesion activity. .
| Human | |
|---|---|
| Gene Name: | CLDN4 |
| Uniprot: | O14493 |
| Entrez: | 1364 |

| Belongs to: |
|---|
| claudin family |

claudin 4; Claudin4; Claudin-4; 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
Mass (kDA):
22.077 kDA

| Human | |
|---|---|
| Location: | 7q11.23 |
| Sequence: | 7; NC_000007.14 (73830863..73832693) |
Cell junction, tight junction. Cell membrane; Multi-pass membrane protein. CLDN4 is required for tight junction localization in the kidney.





PMID: 9334247 by Katahira J., et al. Clostridium perfringens enterotoxin utilizes two structurally related membrane proteins as functional receptors in vivo.
PMID: 16236711 by Tanaka M., et al. EphA2 phosphorylates the cytoplasmic tail of Claudin-4 and mediates paracellular permeability.