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EPI-X4

EPI-X4 (hSA408–423 peptide) is an antagonist for C-X-C motif chemokine receptor 4 (CXCR4) with IC50 of 8.6 μM. EPI-X4 blocks the CXCL12-mediated signaling, inhibits chemokine-mediated migration and invasion of leukemia cell. EPI-X4 exhibits anti-inflammatory activity in mouse model. EPI-X4 exhibits antiviral activity against CXCR4-tropic HIV with IC50 of 8.6 μM[1].

Product Specifications

CAS Number

930280-31-2

Product Name Alternative

HSA (408–423) peptide

UNSPSC

12352209

Target

CXCR

Type

Peptides

Related Pathways

GPCR/G Protein; Immunology/Inflammation

Applications

COVID-19-anti-virus

Field of Research

Cancer; Infection; Inflammation/Immunology

Assay Protocol

https://www.medchemexpress.com/epi-x4.html

Purity

99.21

Solubility

DMSO : 100 mg/mL (ultrasonic)

Smiles

O=C(N[C@@H](C(C)C)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CC1=CC=C(C=C1)O)C(N[C@@H]([C@H](O)C)C(N[C@@H](CCCCN)C(N[C@@H](CCCCN)C(N[C@@H](C(C)C)C(N2[C@@H](CCC2)C(N[C@@H](CCC(N)=O)C(N[C@@H](C(C)C)C(N[C@@H](CO)C(N[C@@H]([C@H](O)C)C(N3[C@@H](CCC3)C(N[C@@H]([C@H](O)C)C(N[C@@H](CC(C)C)C(O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)[C@H](CC(C)C)N

Molecular Formula

C84H144N22O23

Molecular Weight

1830.18

References & Citations

[1]Zirafi O, et al., Discovery and characterization of an endogenous CXCR4 antagonist. Cell Rep. 2015 May 5;11 (5) :737-47.|[2]Kaiser, L. M., et al., (2021) . Targeting of CXCR4 by the Naturally Occurring CXCR4 Antagonist EPI-X4 in Waldenström's Macroglobulinemia. Cancers, 13 (4), 826.

Shipping Conditions

Blue Ice

Storage Conditions

-80°C, 2 years; -20°C, 1 year (Powder, sealed storage, away from moisture)

Scientific Category

Peptides

Clinical Information

No Development Reported

Isoform

CXCR4

Available Sizes

Frequently Asked Questions

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