2. Vitamin D Related/Nuclear Receptor
  3. Estrogen Receptor/ERR
  4. R4K1

R4K1 is a cell-permeable stapled peptide. R4K1 binds to the estrogen receptor (ER) α with high affinity and inhibits its interaction with coactivators. R4K1 can enter breast cancer cells to regulate gene transcription and inhibit cell proliferation. R4K1 can be used in the study of cancer.

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

Custom Peptide Synthesis

R4K1 Chemical Structure

R4K1 Chemical Structure

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R4K1 Related Antibodies

Top Publications Citing Use of Products

View All Estrogen Receptor/ERR Isoform Specific Products:

View All Isoforms
Estrogen receptor ERα ERβ ERRα ERRβ ERRγ

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Description

R4K1 is a cell-permeable stapled peptide. R4K1 binds to the estrogen receptor (ER) α with high affinity and inhibits its interaction with coactivators. R4K1 can enter breast cancer cells to regulate gene transcription and inhibit cell proliferation. R4K1 can be used in the study of cancer[1].

Molecular Weight

1912.25

Formula

C82H146N34O19
Sequence

Ac-Arg-Arg-Arg-Arg-Lys-{S5}-Leu-His-Arg-{S5}-Leu-Gln-Asp-Ser-NH2
Sequence Shortening

Ac-RRRRK-{S5}-LHR-{S5}-LQDS-NH2
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
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R4K1 Related Classifications

  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass   Concentration   Volume   Molecular Weight *
= × ×

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
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.

Keywords:

R4K1Estrogen Receptor/ERRMCF-7 cellsInhibitorinhibitorinhibit

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