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Human CLDN4/Claudin-4 Recombinant Protein (N-GST & C-His) (HT305012)

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Overview
Catalog No.HT305012
Description
Recombinant Human CLDN4/Claudin-4 Protein, N-GST & C-His (HT305012) expressed in E. coli, spanning Met29-Arg81. Purity: >90% by SDS-PAGE.
Highlights
  • His-Tagged — N-terminal 6×His tag for IMAC purification.
  • E. coli Expression — High-yield, cost-effective production.
  • High Purity — >90% purity verified by SDS-PAGE.
Expression systemE. coli
AccessionO14493
Protein lengthMet29-Arg81
ApplicationsELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
SpeciesHomo sapiens (Human)
Nature Recombinant
Endotoxin level Please contact with the lab for this information.
Purity >90% as determined by SDS-PAGE.
Predicted molecular weight 34.17 kDa
Form Lyophilized
Storage buffer Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol.

Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA.

Reconstitution Reconstitute in sterile water for a stock solution. A copy of datasheet will be provided with the products, please refer to it for details.
Shipping In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Stability and Storage Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Alternate NamesCLDN4, CPE-R, CPE-receptor, CPER, CPETR1, Claudin-4, Clostridium perfringens enterotoxin receptor, WBSCR8, Williams-Beuren syndrome chromosomal region 8 protein
Background

Claudin-4 is a ~22 kDa protein. Can associate with other claudins to regulate tight junction structural and functional strand dynamics. May coassemble with CLDN8 into tight junction strands containing anion-selective channels that convey paracellular chloride permeability in renal collecting ducts. May integrate into CLDN3 strands to modulate localized tight junction barrier properties. May disrupt strand assembly of channel-forming CLDN2 and CLDN15 and inhibit cation conductance. Cannot form tight junction strands on its own.

1. Shashikanth, N. et al. (2022) Nature communications 13, 3780. PMID: 35773259
2. Gonschior, H. et al. (2022) Nature communications 13, 4985. PMID: 36008380
Note For research use only
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Formula
Mass (g) = Concentration (mol/L) × Volume (L) × MW (g/mol)
Enter any 2 of Mass, Concentration, Volume + Molecular Weight to solve for the unknown.
Mass
=
Concentration
×
Volume
Molecular Weight *
g/mol
Formula
C₁ × V₁ = C₂ × V₂
Enter any 3 of the 4 values to solve for the unknown.
Stock Solution
C₁ (Stock Conc.)
×
V₁ (Stock Vol.)
=
Working Solution
C₂ (Working Conc.)
×
V₂ (Working Vol.)
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