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  • RGBA-1-2b (SPLERNAIKGYRYLSTR-NH2)

RGBA-1-2b (SPLERNAIKGYRYLSTR-NH2)

Cat.#: 318729

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Product Information

  • Product Name
    RGBA-1-2b (SPLERNAIKGYRYLSTR-NH2)
  • Documents
  • Quantity/Unit
    1 Vial
  • Sequence
    SPLERNAIKGYRYLSTR-NH2
  • Three letter code
    H-Ser-Pro-Leu-Glu-Arg-Asn-Ala-Ile-Lys-Gly-Tyr-Arg-Tyr-Leu-Ser-Thr-Arg-NH2
  • Length (aa)
    17
  • Peptide Purity (HPLC)
    97.2
  • Molecular Formula
    C89H147N29O25
  • Molecular Weight
    2023.29
  • Source
    Synthetic
  • Additional Information
    RGBA-1-2b peptide was first reported in paper:Yin J-A, Gao G, Liu X-J, et al. Genetic variation in glia–neuron signalling modulates ageing rate. Nature. 2017;551(7679):198-203. doi:10.1038/nature24463. RGBA-1(regulartory gene for behavioural ageing 1) activates NPR-28 signalling, which acts in serotonergic and dopaminergic neurons to accelerate behavioural deterioration. Four neuropeptides derived from RGBA-1 were identified by tandem mass spectrometry from N2 worms. RGBA-1-2b peptide(Sequence: SPLERNAIKGYRYLSTR-NH2) could activate NPR-28 signalling, which acts in serotonergic and dopaminergic neurons to accelerate behavioural deterioration. This signalling involves the SIR-2.1-dependent activation of the mitochondrial unfolded protein response, a pathway that modulates ageing. Thus, natural variation in neuropeptide-mediated glia–neuron signalling modulates the rate of ageing in C. elegans.
  • Storage Guidelines
    Ideally RGBA-1-2b (SPLERNAIKGYRYLSTR-NH2) should be stored in a freezer at or below -9C. RGBA-1-2b (SPLERNAIKGYRYLSTR-NH2) should be refrigerated after reconstitution. For more details, please refer to the manual:Handling and Storage of Synthetic Peptides
  • References
    • Yin J-A, Gao G, Liu X-J, et al. Genetic variation in glia–neuron signalling modulates ageing rate. Nature. 2017;551(7679):198-203. doi:10.1038/nature24463.
  • About TFA salt

    Trifluoroacetic acid (TFA) is a strong acid, which is commonly used to cleave synthesized peptides from solid-phase resins and is also used to improve HPLC performance in the peptide purification step. By default, custom peptides are delivered as lyophilized TFA salts, and can contain as much as 10-45% TFA.

    TFA in custom peptides can cause inexplicable discrepancies in subsequent assay data. For instance, TFA in nM concentrations has been shown to interfere with cellular assays, inhibiting cellular proliferation in some instances, and increasing cell viability in others . It has also been found to be an unintended allosteric modulator of the glycine receptor, GlyR.

    TFA Removal Service is recommended for:

    • Peptides that will be used in cellular assays
    • Peptides that will be used as APIs or in manufactured products
    • For hydrophilic peptides containing numerous basic residues

Peptide Property

  • Analysed Sequence:H-SPLERNAIKGYRYLSTR-Amidation
  • Chemical Formula:C89H147N29O25
  • Sequence length:17
  • Extinction coefficient:2560 M-1cm-1
  • GRAVY:-1.02
  • Mw average:2023.29
  • Theoretical pI:10.54
  • Data Source:Peptide Property Calculator

GRAVY = grand average of hydropathy

Red: Hydrophobic uncharged residues, like F I L M V W A and P

Blue: Basic residues, like R K H and N-terminal -NH2

Green: Acidic residues, like D E and C-terminal -COOH

Black: Polar uncharged residues, like G S T C N Q and Y

Peptide Services: NovoPro's peptide synthesis services include standard chemical peptide synthesis, peptide modification, peptide libraries, and recombinant peptide expression.

Standard Peptide Synthesis: NovoPro offers quality peptides at the most competitive prices in the industry, starting at $3.20 per amino acid. NovoPro provides PepBox – Automatic Quote Tool for online price calculation.

Peptide Modifications: NovoPro offers a wide range of peptide modification services including isotope labeling (2H, 15N, and 13C), multiple disulfide bonds, multiple phosphorylations, KLH, BSA, ovalbumin, amidation, acetylation, biotin, FITC, etc.

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"