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PSMα3

PSMα3 is a peptide for manipulating DCs to become tolerogenic for DC vaccination strategies. PSMα3 penetrates and modulates human monocyte-derived DCs by altering the TLR2- or TLR4-induced maturation, inhibiting pro- and anti-inflammatory cytokine production and reducing antigen uptake. PSMα3 is an important toxin released by the most virulent strains of methicillin-resistant Staphylococcus aureus (MRSA) [1][2].

Product Specifications

CAS Number

1001405-52-2

UNSPSC

12352209

Target

Toll-like Receptor (TLR)

Type

Peptides

Related Pathways

Immunology/Inflammation

Applications

COVID-19-immunoregulation

Field of Research

Inflammation/Immunology

Assay Protocol

https://www.medchemexpress.com/psmα3.html

Purity

98.75

Solubility

DMSO : 100 mg/mL (ultrasonic)

Smiles

[C@@H](C(N[C@@H](CC1=CC=CC=C1)C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(NCC(N[C@H](C(N[C@@H](CC2=CC=CC=C2)C(N[C@H](C(NCC(N[C@H](C(N[C@@H](CC(N)=O)C(O)=O)=O)CC(N)=O)=O)=O)CC(C)C)=O)=O)CCCCN)=O)=O)CC(C)C)=O)CC(C)C)=O)CC(O)=O)=O)CCCCN)=O)=O)(CC3=CC=CC=C3)NC([C@@H](NC([C@H](CC4=CC=CC=C4)NC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@H](CC5=CC=CC=C5)NC([C@@H](NC([C@H](CCSC)NC=O)=O)CCC(O)=O)=O)=O)C(C)C)=O)C)=O)CCCCN)=O)CC(C)C)=O)=O)CCCCN)=O

Molecular Formula

C128H192N28O30S

Molecular Weight

2635.13

References & Citations

[1]Richardson JR, et, al. Staphylococcus aureus PSM Peptides Modulate Human Monocyte-Derived Dendritic Cells to Prime Regulatory T Cells. Front Immunol. 2018 Nov 13;9:2603.|[2]Tayeb-Fligelman E, et, al. The cytotoxic Staphylococcus aureus PSMα3 reveals a cross-α amyloid-like fibril. Science. 2017 Feb 24;355 (6327) :831-833.

Shipping Conditions

Blue Ice

Storage Conditions

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

Scientific Category

Peptides

Clinical Information

No Development Reported

Available Sizes

Frequently Asked Questions

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