172450-46-3

172450-46-3 structure

Name: Stichodactyla helianthus Neurotoxin (ShK) trifluoroacetate salt
Chemical Name: SHK
CAS Number: 172450-46-3
Molecular Formula: C₁₆₉H₂₇₄N₅₄O₄₈S₇
Molecular Weight:
Catalog: Signaling Pathways Membrane Transporter/Ion Channel Potassium Channel
Create Date: 2018-07-18 01:45:19
Modify Date: 2025-08-22 16:36:32
ShK toxin blocks voltage-dependent potassium channel (Kv1.3 channel). ShK toxin can be isolated from the whole body extract of the Caribbean sea anemone (Stichodactylu helianthus). ShK toxin competes with dendrotoxin I and α-dendrotoxin for binding to synaptosomal membranes of rat brain, facilitates acetylcholine release. ShK toxin suppresses K+ currents in cultured rat dorsal root ganglion neurons. ShK toxin also inhibits T lymphocyte proliferation[1][2].

Name	SHK
Synonyms	STICHODACTYLA HELIANTHUS NEUROTOXIN (SHK)

Description	ShK toxin blocks voltage-dependent potassium channel (Kv1.3 channel). ShK toxin can be isolated from the whole body extract of the Caribbean sea anemone (Stichodactylu helianthus). ShK toxin competes with dendrotoxin I and α-dendrotoxin for binding to synaptosomal membranes of rat brain, facilitates acetylcholine release. ShK toxin suppresses K+ currents in cultured rat dorsal root ganglion neurons. ShK toxin also inhibits T lymphocyte proliferation[1][2].
Related Catalog	Research Areas >> Inflammation/Immunology Signaling Pathways >> Membrane Transporter/Ion Channel >> Potassium Channel
Target	Kv1.3 Channel[2]
References	[1]. Castañeda O, et al. Characterization of a potassium channel toxin from the Caribbean Sea anemone Stichodactyla helianthus. Toxicon. 1995 May;33(5):603-13. [2]. Beeton C, et al. The D-diastereomer of ShK toxin selectively blocks voltage-gated K+ channels and inhibits T lymphocyte proliferation. J Biol Chem. 2008 Jan 11;283(2):988-97.

Molecular Formula	C₁₆₉H₂₇₄N₅₄O₄₈S₇
Storage condition	-15°C