A peptide agonist of PAR1
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TFLLR-NH2 (trifluoroacetate salt)

Item No. 27548

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
(S)-2-((S)-2-((2S,3R)-2-amino-3-hydroxybutanamido)-3-phenylpropanamido)-N-((S)-1-(((S)-1-amino-5-guanidino-1-oxopentan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)-4-methylpentanamide, trifluoroacetate salt
Molecular Formula
C31H53N9O6 • XCF3COOH
Formula Weight
647.8
Purity
≥98%
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
DMF: 5 mg/mlDMSO: 10 mg/mlEthanol: 0.5 mg/mlPBS (pH 7.2): 3 mg/ml
SMILES
NC(NCCC[C@@H](C(N)=O)NC([C@@H](NC([C@H](CC(C)C)NC([C@@H](NC([C@@H](N)[C@H](O)C)=O)CC1=CC=CC=C1)=O)=O)CC(C)C)=O)=N.OC(C(F)(F)F)=O
InChi Code
InChI=1S/C31H53N9O6.C2HF3O2/c1-17(2)14-22(27(43)37-21(26(33)42)12-9-13-36-31(34)35)38-28(44)23(15-18(3)4)39-29(45)24(16-20-10-7-6-8-11-20)40-30(46)25(32)19(5)41;3-2(4,5)1(6)7/h6-8,10-11,17-19,21-25,41H,9,12-16,32H2,1-5H3,(H2,33,42)(H,37,43)(H,38,44)(H,39,45)(H,40,46)(H4,34,35,36);(H,6,7)/t19-,21+,22+,23+,24+,25+;/m1./s1
InChi Key
QVNWOGSDGQDGHP-MKVNCOEFSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    1 mg

    $36

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    5 mg

    $145

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    10 mg

    $268

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    25 mg

    $587

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    Product Description

    TFLLR-NH2 is a synthetic peptide agonist of proteinase-activated receptor 1 (PAR1) that induces calcium mobilization in isolated rat dorsal root ganglion neurons (EC50 = 1.9 μM).1 In vivo, TFLLR-NH2 (3 μmol/kg) stimulates plasma extravasation in the bladder, esophagus, stomach, intestine, and pancreas in wild-type, but not PAR1-/-, mice. It also reduces carrageenan-induced hyperalgesia in rats.2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. de Garvilla, L., Vergnolle, N., Young, S.H., et al. Agonists of proteinase-activated receptor 1 induce plasma extravasation by a neurogenic mechanism. Br. J. Pharmacol. 133(7), 975-987 (2001).

    2. Kawabata, A., Kawao, N., Kuroda, R., et al. The PAR-1-activating peptide attenuates carrageenan-induced hyperalgesia in rats. Peptides 23(6), 1181-1183 (2002).