1. GPCR/G Protein
  2. Formyl Peptide Receptor (FPR)
  3. N-Formyl-Met-Leu-Phe-Lys

N-Formyl-Met-Leu-Phe-Lys  (Synonyms: fMLFK)

Cat. No.: HY-P1744 Purity: 98.98%
COA Handling Instructions

N-Formyl-Met-Leu-Phe-Lys (fMLFK) is a peptide, acts as a potent and selective agonist of FPR1, with EC50s of 3.5 nM, 6.7 μM and 0.88 μM for FPR1, FPR2 and FPR2-D2817.32G, respectively.

For research use only. We do not sell to patients.

Custom Peptide Synthesis

N-Formyl-Met-Leu-Phe-Lys Chemical Structure

N-Formyl-Met-Leu-Phe-Lys Chemical Structure

CAS No. : 67247-11-4

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Based on 1 publication(s) in Google Scholar

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Description

N-Formyl-Met-Leu-Phe-Lys (fMLFK) is a peptide, acts as a potent and selective agonist of FPR1, with EC50s of 3.5 nM, 6.7 μM and 0.88 μM for FPR1, FPR2 and FPR2-D2817.32G, respectively[1].

IC50 & Target

EC50: 3.5 nM (FPR1), 6.7 μM (FPR2), 0.88 μM (FPR2-D2817.32G)[1]

Molecular Weight

565.73

Formula

C27H43N5O6S

CAS No.
Appearance

Solid

Color

White to off-white

Sequence

Formyl-Met-Leu-Phe-Lys

Sequence Shortening

Formyl-MLFK

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Sealed storage, away from moisture

Powder -80°C 2 years
-20°C 1 year

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Solvent & Solubility
In Vitro: 

DMSO : 22.22 mg/mL (39.28 mM; ultrasonic and adjust pH to 3 with 1M HCl; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.7676 mL 8.8381 mL 17.6763 mL
5 mM 0.3535 mL 1.7676 mL 3.5353 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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Volume (start)

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Concentration (final)

C2

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V2

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.7676 mL 8.8381 mL 17.6763 mL 44.1907 mL
5 mM 0.3535 mL 1.7676 mL 3.5353 mL 8.8381 mL
10 mM 0.1768 mL 0.8838 mL 1.7676 mL 4.4191 mL
15 mM 0.1178 mL 0.5892 mL 1.1784 mL 2.9460 mL
20 mM 0.0884 mL 0.4419 mL 0.8838 mL 2.2095 mL
25 mM 0.0707 mL 0.3535 mL 0.7071 mL 1.7676 mL
30 mM 0.0589 mL 0.2946 mL 0.5892 mL 1.4730 mL
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N-Formyl-Met-Leu-Phe-Lys Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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N-Formyl-Met-Leu-Phe-Lys
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