PeptideDB

TFLLR-NH2(TFA) 1313730-19-6

TFLLR-NH2(TFA) 1313730-19-6

CAS No.: 1313730-19-6

TFLLR-NH2 (TFA) is a selective PAR1 agonist with EC50 of 1.9 μM.
Data collection:peptidedb@qq.com

This product is for research use only, not for human use. We do not sell to patients.

TFLLR-NH2 (TFA) is a selective PAR1 agonist with EC50 of 1.9 μM.

Physicochemical Properties


Molecular Formula C33H54F3N9O8
Molecular Weight 761.83257818222
Exact Mass 761.404
CAS # 1313730-19-6
Related CAS # TFLLR-NH2;197794-83-5
PubChem CID 71311619
Appearance White to off-white solid powder
Hydrogen Bond Donor Count 10
Hydrogen Bond Acceptor Count 13
Rotatable Bond Count 20
Heavy Atom Count 53
Complexity 1110
Defined Atom Stereocenter Count 6
SMILES

C(F)(F)(F)C(=O)O.[C@@H](NC(=O)[C@@H](N)[C@H](O)C)(C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(=O)N)CCCNC(N)=N)CC1C=CC=CC=1

InChi Key QVNWOGSDGQDGHP-MKVNCOEFSA-N
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
Chemical Name

(2S)-N-[(2S)-1-[[(2S)-1-amino-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]-2-[[(2S)-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]-3-phenylpropanoyl]amino]-4-methylpentanamide;2,2,2-trifluoroacetic acid
HS Tariff Code 2934.99.9001
Storage

Powder-20°C 3 years

4°C 2 years

In solvent -80°C 6 months

-20°C 1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

Biological Activity


ln Vitro PAR1 agonists cause concentration-dependent increases in [Ca2+]i and neuronal ratios. In response to 10 μ m TF-NH2, 50–80% of the identified neurons showed the greatest increase in [Ca2+]i above basal values (peak 196.5±20.4 nM, n=25) [1]. Expression of E-cadherin was upregulated and vimentin was downregulated in SW620 cells cultured in TFLLR-NH2 activated platelet supernatants. A dose-dependent rise in TGF-β1 secreted by TFLLR-NH2 was found in the supernatant of an in vitro platelet culture system [2].
ln Vivo Rat paws were injected with TF-NH2, which caused a notable and long-lasting edema. Capsaicin and NK1R antagonist-induced sensory nerve ablation reduced edema by 44% in 1 hour and by 100% in 5 hours. TF-NH2 increased Evans blue extravasation 2- to 8-fold in the bladder, esophagus, stomach, intestine, and pancreas in wild-type mice, but not in PAR1−/− animals. Extravasation in the stomach, esophagus, and bladder can be completely eliminated by NK1R antagonists [1]. TFp-NH2 induced considerable contraction at 3-50 μM and significant relaxation at 0.3-50 μM in the absence of apamin. The concentration-response curve of TFp-NH2-induced contraction markedly moved to the left when 0.1 μM apamin inhibited TFp-NH2-induced relaxation [3].
References

[1]. Agonists of proteinase-activated receptor 1 induce plasma extravasation by a neurogenic mechanism. Br J Pharmacol. 2001 Aug;133(7):975-87.

[2]. Characterization of the protease-activated receptor-1-mediated contraction and relaxation in the rat duodenal smooth muscle.

[3]. Activation of platelet protease-activated receptor-1 induces epithelial-mesenchymal transition and chemotaxis of colon cancer cell line SW620. Oncol Rep. 2015 Jun;33(6):2681-8.


Solubility Data


Solubility (In Vitro) H2O : ~100 mg/mL (~131.26 mM)
DMSO : ~100 mg/mL (~131.26 mM)
Solubility (In Vivo) Solubility in Formulation 1: ≥ 2.5 mg/mL (3.28 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (3.28 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

Solubility in Formulation 3: ≥ 2.5 mg/mL (3.28 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

Solubility in Formulation 4: 33.33 mg/mL (43.75 mM) in PBS (add these co-solvents sequentially from left to right, and one by one), clear solution; with ultrasonication.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.3126 mL 6.5631 mL 13.1263 mL
5 mM 0.2625 mL 1.3126 mL 2.6253 mL
10 mM 0.1313 mL 0.6563 mL 1.3126 mL
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.