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  4. Claudin-18/CLDN18.2 Protein-VLP, Human (HEK293, His)

Claudin-18/CLDN18.2 Protein-VLP, Human (HEK293, His)

Cat. No.: HY-P700403
Handling Instructions Technical Support

Claudin-18/CLDN18.2 Protein-VLP, Human (HEK293, His) is recommended for animal immunization, ELISA. It is not recommended for receptor-ligand interaction detection and SPR/BLI assay since there are other irrelevant membrane proteins of the host on the VLP envelope, and the receptor-ligand interaction will have strong background interference. High requirements for chips and experimental protocols are needed for SPR/BLI assays. If VLP control is required, it is recommended HY-P701236. Tags can only be detected under denaturing conditions.

For research use only. We do not sell to patients.

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Description

Claudin-18/CLDN18.2 Protein-VLP, Human (HEK293, His) is recommended for animal immunization, ELISA. It is not recommended for receptor-ligand interaction detection and SPR/BLI assay since there are other irrelevant membrane proteins of the host on the VLP envelope, and the receptor-ligand interaction will have strong background interference. High requirements for chips and experimental protocols are needed for SPR/BLI assays. If VLP control is required, it is recommended HY-P701236. Tags can only be detected under denaturing conditions.
Background

CLDN18-VLPs (Claudin 18 virus-like particles) play a crucial role in alveolar fluid homeostasis by regulating the composition of tight junctions in alveolar epithelial cells, impacting ion transport, and solute permeability, potentially through the modulation of actin cytoskeleton organization and beta-2-adrenergic signaling. Essential for lung alveolarization and the maintenance of the paracellular alveolar epithelial barrier, CLDN18-VLPs contribute to epithelial progenitor cell proliferation and organ size regulation by controlling the subcellular localization of YAP1 and restricting its target gene transcription. Additionally, CLDN18-VLPs act as a negative regulator of RANKL-induced osteoclast differentiation, possibly by influencing the subcellular distribution of TJP2/ZO-2 and participating in bone resorption in response to calcium deficiency. They mediate the osteoprotective effects of estrogen independently of RANKL signaling pathways. Furthermore, CLDN18-VLPs are implicated in maintaining the alveolar microenvironment homeostasis by regulating pH and subsequent T-cell activation, indirectly contributing to the limitation of C. neoformans infection.
Species

Human
Source

HEK293
Tag

C-10*His
Accession

P56856-2 (M1-V261)
Gene ID
Molecular Construction
N-term
CLDN18 (M1-V261)
Accession # P56856-2
10*His
C-term
Protein Length

Full Length of Isoform A2
Synonyms
CLDN18; CLDN18.2; Claudin-18.2; Claudin-18; DKFZp564B2062; SFTA5; SFTPJ
AA Sequence

MAVTACQGLGFVVSLIGIAGIIAATCMDQWSTQDLYNNPVTAVFNYQGLWRSCVRESSGFTECRGYFTLLGLPAMLQAVRALMIVGIVLGAIGLLVSIFALKCIRIGSMEDSAKANMTLTSGIMFIVSGLCAIAGVSVFANMLVTNFWMSTANMYTGMGGMVQTVQTRYTFGAALFVGWVAGGLTLIGGVMMCIACRGLAPEETNYKAVSYHASGHSVAYKPGGFKASTGFGSNTKNKKIYDGGARTEDEVQSYPSKHDYV

Predicted Molecular Mass
29.1 kDa
Purity

Greater than 80% as determined by reducing SDS-PAGE.
Endotoxin Level

<1 EU/μg, determined by LAL method.
Documentation
Handling Instructions (2659 KB)

Claudin-18/CLDN18.2 Protein-VLP, Human (HEK293, His) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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