Small Cardioactive Peptide B SCPB
CAS No. 84746-43-0
Small Cardioactive Peptide B SCPB ( )
Catalog No. M30542 CAS No. 84746-43-0
Small Cardioactive Peptide B (SCPB), a neurally active peptide, stimulates adenylate cyclase activity in particulate fractions of both heart and gill tissues with EC50s of 0.1 and 1.0 μM, respectively.
Purity : >98% (HPLC)
COA
Datasheet
HNMR
HPLC
MSDS
Handing Instructions
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Biological Information
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Product NameSmall Cardioactive Peptide B SCPB
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NoteResearch use only, not for human use.
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Brief DescriptionSmall Cardioactive Peptide B (SCPB), a neurally active peptide, stimulates adenylate cyclase activity in particulate fractions of both heart and gill tissues with EC50s of 0.1 and 1.0 μM, respectively.
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DescriptionSmall Cardioactive Peptide B (SCPB), a neurally active peptide, stimulates adenylate cyclase activity in particulate fractions of both heart and gill tissues with EC50s of 0.1 and 1.0 μM, respectively.(In Vitro):Small cardioactive peptide B (SCPB) is a neurally active peptide endogenous to Aplysia. Small cardioactive peptide B (SCPB) possesses cardioexcitatory effects in Aplysia and reported a threshold concentration of 0.01 nM for both native and synthetic Small cardioactive peptide B (SCPB) stimulated effects on the isolated heart. Effects of Small Cardioactive Peptide B (SCPB) on the physiology of the isolated heart and gill preparations from the mollusc Aplysia californica were examined. In addition, the effects of Small Cardioactive Peptide B (SCPB) and FMRFamide (Phe-Met-Arg-Phe-NH2) on adenylate cyclase activity are compared in particulate fractions of heart and gill tissues, respectively. Small Cardioactive Peptide B (SCPB) is found to exert dose-dependent, reversible changes in cardiac activity when perfused through the isolated heart. The EC50 values effecting changes in heart rate and force of contraction are 0.03 and 0.3 nM, respectively; minimum concentrations find to effect changes in heart rate and force of contraction are normally 0.001 and 1 pM, respectively. When perfused through the isolated gill, Small Cardioactive Peptide B (SCPB) is found to suppress the gill withdrawal response amplitude with a threshold concentration of 0.01 pM and an EC50 value of 0.03 nM. Suppression of the gill withdrawal response amplitude by Small Cardioactive Peptide B (SCPB)is found to be dose dependent and reversible up to a concentration of 1nM. At higher concentrations, the suppression tended to persist irreversibly. Small Cardioactive Peptide B (SCPB) stimulates adenylate cyclase activity in particulate fractions of both heart and gill tissues with an EC50 of 0.1 and 1.0μM, respectively.
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Synonyms
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PathwayMetabolic Enzyme/Protease
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TargetAdenylate Cyclase
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RecptorEC50: 0.1 μM (adenylate cyclase, in heart tissues), 1.0 μM (adenylate cyclase, in gill tissues)
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Research Area——
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Indication——
Chemical Information
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CAS Number84746-43-0
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Formula Weight1141.4
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Molecular FormulaC52H80N14O11S2
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Purity>98% (HPLC)
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Solubility——
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SMILES——
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Chemical Name
Shipping & Storage Information
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Storage(-20℃)
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ShippingWith Ice Pack
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Stability≥ 2 years
Reference
Cawthorpe DR, et al. The effects of small cardioactive peptide B on the isolated heart and gill of Aplysia californica. Can J Physiol Pharmacol. 1985 Aug;63(8):918-24.
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