1. GPCR/G Protein
    Neuronal Signaling
  2. Orexin Receptor (OX Receptor)
  3. Orexin A (human, rat, mouse)

Orexin A (human, rat, mouse) 

Cat. No.: HY-106224 Purity: 99.15%
Handling Instructions

Orexin A human, rat, mouse, a 33 amino acid excitatory neuropeptide, orchestrates diverse central and peripheral processes. Orexin A human, rat, mouse is a specific, high-affinity agonist for G-protein-coupled receptor OX1R. Orexin A human, rat, mouse has a role in the regulation of feeding behavior. Orexin A human, rat, mouse is an effective anti-nociceptive and anti-hyperalgesic agent in mice and rats.

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

Custom Peptide Synthesis

Orexin A (human, rat, mouse) Chemical Structure

Orexin A (human, rat, mouse) Chemical Structure

CAS No. : 205640-90-0

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1 mg USD 400 In-stock
Estimated Time of Arrival: December 31
5 mg USD 1600 In-stock
Estimated Time of Arrival: December 31
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Based on 1 publication(s) in Google Scholar

Other Forms of Orexin A (human, rat, mouse):

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Description

Orexin A human, rat, mouse, a 33 amino acid excitatory neuropeptide, orchestrates diverse central and peripheral processes. Orexin A human, rat, mouse is a specific, high-affinity agonist for G-protein-coupled receptor OX1R. Orexin A human, rat, mouse has a role in the regulation of feeding behavior. Orexin A human, rat, mouse is an effective anti-nociceptive and anti-hyperalgesic agent in mice and rats[1][2].

In Vitro

Orexin A human, rat, mouse has high affinity for OX1R, with 38 nM IC50 and 34 nM EC50 values in the the [Ca2﹢]i transient assay[1].

In Vivo

Orexin A human, rat, mouse (3-30 mg/kg; i.v.; 5 min pre-test) significantly increases the latency to response at 10 and 30 mg/kg i.v. when given 5 min pre-test from 24.8±2.0 s in vehicle-treated mice to 35.0±3.7 s and 45.7±4.5 s, respectively[2].
Orexin A human, rat, mouse (3, 10 and 30 mg/kg; i.v.) was given immediately before phenylp-quinone (PPQ) and increases the latency to the first PPQ-induced constriction from 357.4±35.2 s in vehicle-treated mice to 500.3±31.2 s at 10 mg/kg and 594.5±5.5 s at 30 mg/kg[2].

Animal Model: Female mice (mouse carrageenan-induced thermal hyperalgesia test)[2]
Dosage: 3, 10 and 30 mg/kg
Administration: i.v.; 5 min pre-test
Result: Significantly increased the latency to response at 10 and 30 mg/kg.
Molecular Weight

3561.10

Formula

C₁₅₂H₂₄₃N₄₇O₄₄S₄

CAS No.

205640-90-0

Sequence

{Glp}-Pro-Leu-Pro-Asp-Cys-Cys-Arg-Gln-Lys-Thr-Cys-Ser-Cys-Arg-Leu-Tyr-Glu-Leu-Leu-His-Gly-Ala-Gly-Asn-His-Ala-Ala-Gly-IIE-Leu-Thr-Leu-NH2 (Disulfide bridge: Cys6-Cys12, Cys7-Cys14)

Sequence Shortening

{Glp}-PLPDCCRQKTCSCRLYELLHGAGNHAAGILTL-NH2 (Disulfide bridge: Cys6-Cys12, Cys7-Cys14)

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
Solvent & Solubility
In Vitro: 

H2O

Peptide Solubility and Storage Guidelines:

1.  Calculate the length of the peptide.

2.  Calculate the overall charge of the entire peptide according to the following table:

  Contents Assign value
Acidic amino acid Asp (D), Glu (E), and the C-terminal -COOH. -1
Basic amino acid Arg (R), Lys (K), His (H), and the N-terminal -NH2 +1
Neutral amino acid Gly (G), Ala (A), Leu (L), Ile (I), Val (V), Cys (C), Met (M), Thr (T), Ser (S), Phe (F), Tyr (Y), Trp (W), Pro (P), Asn (N), Gln (Q) 0

3.  Recommended solution:

Overall charge of peptide Details
Negative (<0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, add NH4OH (<50 μL).
3.  If the peptide still does not dissolve, add DMSO (50-100 μL) to solubilize the peptide.
Positive (>0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, try dissolving the peptide in a 10%-30% acetic acid solution.
3.  If the peptide still does not dissolve, try dissolving the peptide in a small amount of DMSO.
Zero (=0) 1.  Try to dissolve the peptide in organic solvent (acetonitrile, methanol, etc.) first.
2.  For very hydrophobic peptides, try dissolving the peptide in a small amount of DMSO, and then dilute the solution with water to the desired concentration.
References

Purity: 99.15%

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The molarity calculator equation

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

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The dilution calculator equation

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

Keywords:

Orexin A (human, rat, mouse)Orexin Receptor (OX Receptor)Hypocretin ReceptorHCRT ReceptoraffinityG-protein-coupledreceptorfeedingbehaviornociceptiveanti-hyperalgesicInhibitorinhibitorinhibit

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Orexin A (human, rat, mouse)
Cat. No.:
HY-106224
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