PMX53 (Ac-Phe-cyclo(Orn-Pro-D-Cha-Trp-Arg)) is a potent C5a receptor (CD88) antagonist with IC50 of 20 nM, also is an agonist for Mas-related gene 2 (MrgX2) in human mast cells; PMX-53 (10 nM) inhibited C5a-induced Ca(2+) mobilization in HMC-1 cells, but at higher concentrations (>30 nM) it caused degranulation in LAD2 mast cells, CD34(+) cell-derived mast cells, and RBL-2H3 cells stably expressing MrgX2; inhibits zymosan-, carrageenan-, LPS- and antigen-induced hypernociception in rats.
Cat.No
DC22200
Name
PMX-53
Chemical Properties
CAS
219639-75-5
Formula
C47H65N11O7
MW
896.1
Storage
2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO
References
References 1. Ting E, et al. Br J Pharmacol. 2008 Mar;153(5):1043-53. 2. Subramanian H, et al. Mol Pharmacol. 2011 Jun;79(6):1005-13. 3. Liu H, et al. Nat Struct Mol Biol. 2018 Jun;25(6):472-481. 4. Finch AM, et al. J Med Chem. 1999 Jun 3;42(11):1965-74. View Related Products by Target Complement System
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