( 14 citations )    
Product Datasheet
Catalog Number:1086
Chemical Name:
Product Details
Citations (14)
Biological Activity
Selective blocker of the big conductance Ca2+-activated K+ channel.
Technical Data
  • M.Wt:
  • Formula:
  • Sequence:

    (Modifications: X-1 = pGlu, Disulfide bridge between 7 - 28,13 - 33,17 - 35)

  • Solubility:
    Soluble to 0.70 mg/ml in water
  • Storage:
    Desiccate at -20°C
  • CAS No:
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis. All Tocris products are intended for laboratory research use only.
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The citations listed below are publications that use Tocris products. Selected citations for Iberiotoxin include:

14 Citations: Showing 1 - 10
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  1. BK Channels Localize to the Paranodal Junction and Regulate Action Potentials in Myelinated Axons of Cerebellar Purkinje Cells.
    Authors: Hirono Et al.
    Am J Physiol Cell Physiol  2015;35:7082
  2. The role of K+ and Cl- channels in the regulation of retinal arteriolar tone and blood flow.
    Authors: Needham Et al.
    FASEB J  2014;55:2157
  3. Maternal nutrient restriction during pregnancy impairs an endothelium-derived hyperpolarizing factor-like pathway in sheep fetal coronary arteries.
    Authors: Shukla Et al.
    Am J Physiol Heart Circ Physiol  2014;307:H134
  4. BK channels regulate sinoatrial node firing rate and cardiac pacing in vivo.
    Authors: Lai Et al.
    Am J Physiol Heart Circ Physiol  2014;307:H1327
  5. Bupivacaine-induced Vasodilation Is Mediated by Decreased Calcium Sensitization in Isolated Endothelium-denuded Rat Aortas Precontracted with Phenylephrine.
    Authors: Ok Et al.
    Korean J Pain  2014;27:229
  6. Quercetin acutely relaxes airway smooth muscle and potentiates β-agonist-induced relaxation via dual phosphodiesterase inhibition of PLCβ and PDE4.
    Authors: Townsend and Emala
    Am J Physiol Lung Cell Mol Physiol  2013;305:L396
  7. Mechanisms underlying activation of transient BK current in rabbit urethral smooth muscle cells and its modulation by IP3-generating agonists.
    Authors: Kyle Et al.
    Invest Ophthalmol Vis Sci  2013;305:C609
  8. Slo1 is the principal potassium channel of human spermatozoa.
    Authors: Mannowetz Et al.
    Elife (Cambridge)  2013;2:e01009
  9. Reduced vascular smooth muscle BK channel current underlies heart failure-induced vasoconstriction in mice.
    Authors: Wan Et al.
    Mol Pain  2013;27:1859
  10. The expression and relaxant effect of bitter taste receptors in human bronchi.
    Authors: Grassin-Delyle Et al.
    Respir Res  2013;14:134
  11. Norepinephrine causes a biphasic change in mammalian pinealocye membrane potential: role of alpha1B-adrenoreceptors, phospholipase C, and Ca2+.
    Authors: Zemkova Et al.
    Endocrinology  2011;152:3842
  12. Relaxant effect and possible mechanism of 17-nor-subincanadine E in rabbit corpora cavernosa.
    Authors: Benvindo Et al.
    Asian J Androl  2011;13:747
  13. Role of perivascular adipose tissue-derived methyl palmitate in vascular tone regulation and pathogenesis of hypertension.
    Authors: Lee Et al.
    Circulation  2011;124:1160
  14. Ionic basis of ON and OFF persistent activity in layer III lateral entorhinal cortical principal neurons.
    Authors: Tahvildari Et al.
    J Neurophysiol  2008;99:2006
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