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    Natural Products
    L-Phenylalanine
    Information
    CAS No. 63-91-2 Price $30 / 20mg
    Catalog No.CFN93152Purity>=98%
    Molecular Weight165.19Type of CompoundAlkaloids
    FormulaC9H11NO2Physical DescriptionPowder
    Download Manual    COA    MSDS    SDFSimilar structuralComparison
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    According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
    Size /Price /Stock 10 mM * 1 mL in DMSO / $7.0 / In-stock
    Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
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    L-Phenylalanine

    L-Phenylalanine
    Product Name L-Phenylalanine
    CAS No.: 63-91-2
    Catalog No.: CFN93152
    Molecular Formula: C9H11NO2
    Molecular Weight: 165.19 g/mol
    Purity: >=98%
    Type of Compound: Alkaloids
    Physical Desc.: Powder
    Targets: Antifection
    Source: The seeds of Glycine max (L.) Merr
    Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
    Price: $30 / 20mg
    Inquire / Order: manager@chemfaces.com
    Technical Inquiries: service@chemfaces.com
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  • Related Screening Libraries
    Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
    10 mM * 1 mL in DMSO / Inquiry / In-stock
    Related Libraries
  • Inhibitors Compound Library
  • Damage memory Compound Library
  • Alkaloids Compound Library
  • Antifection Inhibitor Library
  • Biological Activity
    Description: L-Phenylalanine has antibacterial activity.
    Targets: Antifection
    In vitro:
    Biomed Khim. 2014 Jul-Aug;60(4):448-61.
    Microbial synthesis of deuterium labelled L-phenylalanine with different levels of isotopic enrichment by facultative methylotrophic bacterium Brevibacterium methylicum with RMP assimilation of carbon.[Pubmed: 25249528]

    METHODS AND RESULTS:
    The preparative microbial synthesis of amino acids labelled with stable isotopes, including deuterium ( 2 H), suitable for biomedical applications by methylotrophic bacteria was studied using L-Phenylalanine as example. This amino acid is secreted by Gram-negative aerobic facultative methylotrophic bacteria Brevibacterium methylicum, assimilating methanol via ribulose-5-monophosphate (RMP) cycle of assimilation of carbon, The data on adaptation of L-Phenylalanine secreted by methylotrophic bacterium В. methylicum to the maximal concentration of deuterium in the growth medium with 98% 2 Н 2 O and 2% [ 2 Н]methanol, and biosynthesis of deuterium labelled L-Phenylalanine With different levels of enrichment are presented. The strain was adapted by means of plating initial cells on firm (2% agarose) minimal growth media with an increasing gradient of 2 Н 2 O concentration from 0; 24.5; 49.0; 73.5 up to 98% 2 Н 2 O followed by subsequent selection of separate colonies stable to the action of 2 Н 2 O. These colonies were capable to produce L-Phenylalanine. L-Phenylalanine was extracted from growth medium by extraction with isopropanol with the subsequent crystallization in ethanol (output 0.65 g/l).
    CONCLUSIONS:
    The developed method of microbial synthesis allows to obtain deuterium labelled L-Phenylalanine with different levels of isotopic enrichment, depending on concentration of 2 Н 2 O in growth media, from 17% (on growth medium with 24,5% 2 Н 2 O) up to 75% (on growth medium with 98% 2 Н 2 O) of deuterium in the molecule that is confirmed with the data of the electron impact (EI) mass- spectrometry analysis of methyl ethers of N-dimethylamino(naphthalene)-5-sulfochloride (dansyl) phenylalanine in these experimental conditions.
    In vivo:
    Biotechnol Bioeng. 2014 Jul;111(7):1406-16.
    Improvement of constraint-based flux estimation during L-phenylalanine production with Escherichia coli using targeted knock-out mutants.[Pubmed: 24449451]

    METHODS AND RESULTS:
    Fed-batch production of the aromatic amino acid L-Phenylalanine was studied with recombinant Escherichia coli strains on a 15 L-scale using glycerol as carbon source. Flux Variability Analysis (FVA) was applied for intracellular flux estimation to obtain an insight into intracellular flux distribution during L-Phenylalanine production. Variability analysis revealed great flux uncertainties in the central carbon metabolism, especially concerning malate consumption. Due to these results two recombinant strains were genetically engineered differing in the ability of malate degradation and anaplerotic reactions (E. coli FUS4.11 ΔmaeA pF81kan and E. coli FUS4.11 ΔmaeA ΔmaeB pF81kan). Applying these malic enzyme knock-out mutants in the standardized L-Phenylalanine production process resulted in almost identical process performances (e.g., L-Phenylalanine concentration, production rate and byproduct formation). This clearly highlighted great redundancies in central metabolism in E. coli.
    CONCLUSIONS:
    Uncertainties of intracellular flux estimations by constraint-based analyses during fed-batch production of L-Phenylalanine were drastically reduced by application of the malic enzyme knock-out mutants.
    L-Phenylalanine Description
    Source: The seeds of Glycine max (L.) Merr
    Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
    Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

    After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 6.0536 mL 30.2682 mL 60.5364 mL 121.0727 mL 151.3409 mL
    5 mM 1.2107 mL 6.0536 mL 12.1073 mL 24.2145 mL 30.2682 mL
    10 mM 0.6054 mL 3.0268 mL 6.0536 mL 12.1073 mL 15.1341 mL
    50 mM 0.1211 mL 0.6054 mL 1.2107 mL 2.4215 mL 3.0268 mL
    100 mM 0.0605 mL 0.3027 mL 0.6054 mL 1.2107 mL 1.5134 mL
    * Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
    Protocol
    Structure Identification:
    Microbiol Res. 2014 Sep-Oct;169(9-10):675-85.
    A study of the antibacterial activity of L-phenylalanine and L-tyrosine esters in relation to their CMCs and their interactions with 1,2-dipalmitoyl-sn-glycero-3-phosphocholine, DPPC as model membrane.[Pubmed: 24667307]
    Cationic amino acid-based surfactants are known to interact with the lipid bilayer of cell membranes resulting in depolarization, lysis and cell death through a disruption of the membrane topology.
    METHODS AND RESULTS:
    A range of cationic surfactant analogues derived from L-Phenylalanine (C1-C20) and L-Tyrosine (C8-C14) esters have been synthesized and screened for their antibacterial activity.
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