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Orexin B, rat, mouse

Cat. No. M54469
Orexin B, rat, mouse Structure
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Biological Activity

Orexin B, rat, mouse (Rat orexin B) is an endogenous agonist at Orexin receptor with Kis of 420 and 36 nM for OX1 and OX2, respectively.

Chemical Information
Molecular Weight 2936.4
Formula C126H215N45O34S
CAS Number 202801-92-1
Form Solid
Solubility (25°C) Water 14 mg/mL (ultrasonic)
Storage -20°C, dry, sealed
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

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[Ala11,D-Leu15]-Orexin B(human) is a potent and selective orexin-2 receptor (OX2) agonist.

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Hypocretin (70-98), human is a polypeptide that is capable of binding to an orexin receptor OX1R and promotes apoptosis.

Xenopus orexin A

Xenopus orexin A is a neuropeptides that identified as an endogenous ligands for an orphan G-protein-coupled receptor.

Xenopus orexin B

Xenopus orexin B is a neuropeptides that identified as an endogenous ligands for an orphan G-protein-coupled receptor.

Orexin B, human

Orexin B, human is an endogenous agonist at Orexin receptor with Kis of 420 and 36 nM for OX1 and OX2, respectively.

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