Orexin B, human

CAS No. 205640-91-1

Orexin B, human ( Human orexin B )

Catalog No. M29838 CAS No. 205640-91-1

Orexin B, human is an endogenous agonist at Orexin receptor with Kis of 420 and 36 nM for OX1 and OX2, respectively. Orexin B is a hypothalamatic neuropeptide stimulating food intake in rats.

Purity : >98% (HPLC)

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Biological Information

  • Product Name
    Orexin B, human
  • Note
    Research use only, not for human use.
  • Brief Description
    Orexin B, human is an endogenous agonist at Orexin receptor with Kis of 420 and 36 nM for OX1 and OX2, respectively. Orexin B is a hypothalamatic neuropeptide stimulating food intake in rats.
  • Description
    Orexin B, human is an endogenous agonist at Orexin receptor with Kis of 420 and 36 nM for OX1 and OX2, respectively. Orexin B is a hypothalamatic neuropeptide stimulating food intake in rats. (In Vitro):Orexin B is derived by proteolytic amino acid precursor, prepro-orexin, which is encoded by a gene localized to chromosome 17q21 in humans. In radioligand binding studies, Orexin B has a higher affinity for the OX2 receptor. Human Orexin B has two amino acid substitutions when compared with the rodent sequence. OX2 receptor is indeed a high-affinity receptor for human orexin B, with an IC50 of 36 nM in the binding assay and an EC50 of 60 nM in the [Ca2+]i transient assay. Human Orexin B has significantly lower affinity for the human OX1: the calculated IC50 in the competitive binding assay and the EC50 in the [Ca2+]i transient assay are 420 nM and 2500 nM for human orexin-B, respectively.(In Vivo):Human Orexin B significantly augments food intake; at the 2 hr time point, 5- and 12-fold stimulation of food consumption is observed by 3 nM and 30 nM orexin-B, respectively.
  • Synonyms
    Human orexin B
  • Pathway
    Others
  • Target
    Other Targets
  • Recptor
    Ki: 420 nM (OX1), 36 nM (OX2)
  • Research Area
    ——
  • Indication
    ——

Chemical Information

  • CAS Number
    205640-91-1
  • Formula Weight
    2899.3
  • Molecular Formula
    C123H212N44O35S
  • Purity
    >98% (HPLC)
  • Solubility
    ——
  • SMILES
    ——
  • Chemical Name

Shipping & Storage Information

  • Storage
    (-20℃)
  • Shipping
    With Ice Pack
  • Stability
    ≥ 2 years

Reference

Smart D, et al. Orexins: a new family of neuropeptides. Br J Anaesth. 1999 Nov;83(5):695-7.
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