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  5. CD98 Protein, Rat (HEK293, His)

CD98 Protein, Rat (HEK293, His)

Cat. No.: HY-P75664
COA Handling Instructions

CD98 Protein, a chaperone, aids in the biogenesis and trafficking of functional transporter heterodimers to the plasma membrane. It forms heterodimers with SLC7 family transporters, acting as amino acid antiporters with substrate specificity determined by the SLC7A subunit. CD98 is crucial for plasma membrane localization, stability, and transport activity of SLC7A5 and SLC7A8. When associated with LAPTM4B, the SLC7A5 heterodimer is recruited to lysosomes, promoting leucine uptake and mTORC1 activation. CD98 modulates integrin-related signaling and is essential for integrin-dependent cell spreading, migration, and tumor progression. Additionally, it interacts with TLCD3A/CT120, ICAM1, and beta-1 integrins. CD98 Protein, Rat (HEK293, His) is the recombinant rat-derived CD98 protein, expressed by HEK293, with N-His labeled tag. The total length of CD98 Protein, Rat (HEK293, His) is 428 a.a., with molecular weight of ~58 kDa.

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

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Description

CD98 Protein, a chaperone, aids in the biogenesis and trafficking of functional transporter heterodimers to the plasma membrane. It forms heterodimers with SLC7 family transporters, acting as amino acid antiporters with substrate specificity determined by the SLC7A subunit. CD98 is crucial for plasma membrane localization, stability, and transport activity of SLC7A5 and SLC7A8. When associated with LAPTM4B, the SLC7A5 heterodimer is recruited to lysosomes, promoting leucine uptake and mTORC1 activation. CD98 modulates integrin-related signaling and is essential for integrin-dependent cell spreading, migration, and tumor progression. Additionally, it interacts with TLCD3A/CT120, ICAM1, and beta-1 integrins. CD98 Protein, Rat (HEK293, His) is the recombinant rat-derived CD98 protein, expressed by HEK293, with N-His labeled tag. The total length of CD98 Protein, Rat (HEK293, His) is 428 a.a., with molecular weight of ~58 kDa.

Background

CD98 protein functions as a chaperone, facilitating the biogenesis and trafficking of functional transporter heterodimers to the plasma membrane. It forms heterodimers with various SLC7 family transporters, including SLC7A5, SLC7A6, SLC7A7, SLC7A8, SLC7A10, and SLC7A11, acting as amino acid antiporters with substrate specificity determined by the SLC7A subunit. For example, heterodimers formed by SLC3A2/SLC7A6 or SLC3A2/SLC7A7 mediate the uptake of dibasic amino acids, while the SLC3A2/SLC7A11 heterodimer functions as an antiporter by exchanging extracellular anionic L-cystine and intracellular L-glutamate across the cellular plasma membrane. CD98 is essential for the plasma membrane localization, stability, and transport activity of SLC7A5 and SLC7A8. When associated with LAPTM4B, the SLC7A5 heterodimer is recruited to lysosomes, promoting leucine uptake and mTORC1 activation. CD98 also modulates integrin-related signaling and is crucial for integrin-dependent cell spreading, migration, and tumor progression. It forms a disulfide-linked heterodimer with a non-glycosylated light chain (SLC7A5, SLC7A6, SLC7A7, SLC7A8, SLC7A10, or SLC7A11) and interacts with TLCD3A/CT120 and ICAM1. Additionally, CD98 constitutively and specifically associates with beta-1 integrins, including alpha-2/beta-1, alpha-3/beta-1, alpha-5/beta-1, and alpha-6/beta-1, with minimal interaction with alpha-4/beta-1. It also interacts with LAPTM4B, recruiting SLC3A2 and SLC7A5 to lysosomes for leucine uptake and mTORC1 activation.

Species

Rat

Source

HEK293

Tag

N-His

Accession

Q794F9 (A100-A527)

Gene ID

50567  [NCBI]

Molecular Construction
N-term
His
CD98 (A100-A527)
Accession # Q794F9
C-term
Synonyms
4F2 cell-surface antigen heavy chain; 4F2hc; CD98; SLC3A2
Molecular Weight

Approximately 58 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE

Appearance

Solution.

Formulation

Supplied as a 0.22 μm filtered solution of PBS, pH 7.4.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

N/A.

Storage & Stability

Stored at -80°C for 1 year. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

Shipping

Shipping with dry ice.

Documentation
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.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

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
= ÷

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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CD98 Protein, Rat (HEK293, His)
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