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Merck

F3506

N-Formyl-Met-Leu-Phe

≥97% (HPLC)

Sinónimos:

Chemotactic peptide, N-Formyl-L-methionyl-L-leucyl-L-phenylalanine, fMLF, fMLP (misnomer but widely used)

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About This Item

Fórmula empírica (notación de Hill):
C21H31N3O5S
Número CAS:
59880-97-6
Peso molecular:
437.55
UNSPSC Code:
12352200
NACRES:
NA.32
PubChem Substance ID:
24894846
MDL number:
MFCD00036780
Beilstein/REAXYS Number:
2315783

Nombre del producto

N-Formyl-Met-Leu-Phe, ≥97% (HPLC)

form

powder

InChI key

PRQROPMIIGLWRP-BZSNNMDCSA-N

SMILES string

CSCC[C@H](NC=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](Cc1ccccc1)C(O)=O

InChI

1S/C21H31N3O5S/c1-14(2)11-17(23-19(26)16(22-13-25)9-10-30-3)20(27)24-18(21(28)29)12-15-7-5-4-6-8-15/h4-8,13-14,16-18H,9-12H2,1-3H3,(H,22,25)(H,23,26)(H,24,27)(H,28,29)/t16-,17-,18-/m0/s1

assay

≥97% (HPLC)

mol wt

437.55

storage condition

(Keep container tightly closed in a dry and well-ventilated place)

technique(s)

activity assay: suitable

solubility

acetic acid: 20 mg/mL, clear, colorless

storage temp.

−20°C

Quality Level

100

Gene Information

human ... FPR1(2357)

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Application

N-Formyl-Met-Leu-Phe has been used for:

  • creating gradients in Zigmond chamber chemotaxis assay performed on neutrophils
  • neutrophil chemotaxis assay
  • determination of the involvement of MAPK-activating protein kinase-2 (MAPKAPK-2) and/or p38, in the signaling pathway of human polymorphonuclear leukocytes (PMNs) stimulated by N-Formyl-Met-Leu-Phe.

Biochem/physiol Actions

N-Formyl-Met-Leu-Phe induced chemotaxis in phosphoinositide 3-kinase γ (PI3K)γ-/- neutrophils, and promotes adhesion, polymerization of F-actin, Fcγ receptor-mediated phagocytosis and intracellular Ca2+ release. It acts as an inflammatory agent and activates polymorphonuclear leukocytes (PMNs) without the formation of 5-hydroxyicosatetraenoic acid (5-HETE) and leukotriene B4 (LTB4). Its effects on neutrophils and the inhibition of adenylate cyclase are inhibited by pertussis toxin.
Potent chemotactic peptide. Induces a metabolic burst in macrophages accompanied by an increase in respiratory rate, secretion of lysosomal enzymes, and production of superoxide anion.
Potent inducer of leucocyte chemotaxis and macrophage activator. Receptors that bind formylpeptides are found on phagocytic neutrophils and have recently been identified on cells of the intestinal mucosa.

General description

N-Formyl-Met-Leu-Phe is a chemotactic peptide, which functions on polymorphonuclear leukocytes (PMN), neutrophils etc.

Research area: Cell signaling

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
MKCX7635
MKCX0763
MKCV7798
MKCS7331
MKCR6637

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Carlos José Correia Santana et al.
Biomolecules, 10(5) (2020-05-24)
In recent years, the number of new antimicrobial drugs launched on the market has decreased considerably even though there has been an increase in the number of resistant microbial strains. Thus, antimicrobial resistance has become a serious public health problem.
E Krump et al.
The Journal of biological chemistry, 272(2), 937-944 (1997-01-10)
Activation of polymorphonuclear leukocytes (PMN) by chemotactic peptides initiates a series of functional responses that serve to eliminate pathogens. The intermediate steps that link engagement of the chemoattractant receptor to the microbicidal responses involve protein kinases that have yet to
P M Lad et al.
Proceedings of the National Academy of Sciences of the United States of America, 82(3), 869-873 (1985-02-01)
Pertussis toxin inhibits the N-formyl-Met-Leu-Phe (fMet-Leu-Phe) mediated human neutrophil functions of enzyme release, superoxide generation, aggregation, and chemotaxis. As pertussis toxin modifies the GTP binding receptor-regulatory protein "Ni," the association of the fMet-Leu-Phe receptor with such a protein was further
Michael Hannigan et al.
Proceedings of the National Academy of Sciences of the United States of America, 99(6), 3603-3608 (2002-03-21)
Confocal imaging and time-lapsed videomicroscopy were used to study the directionality, motility, rate of cell movement, and morphologies of phosphoinositide 3-kinase gamma (PI3K)gamma(-/-) neutrophils undergoing chemotaxis in Zigmond chambers containing N-formyl-Met-Leu-Phe gradients. Most of the PI3Kgamma(-/-) neutrophils failed to translocate
John A L Meeuwsen et al.
Cells, 9(2) (2020-02-23)
: Introduction: Preeclampsia (PE) represents a hypertensive pregnancy disorder that is associated with increased cardiovascular disease (CVD) risk. This increased risk has been attributed to accelerated atherosclerosis, with inflammation being a major contributor. Neutrophils play an important role in the
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