8.B.21.1.9
Kappa conotoxin BTx or BeTx of 70 aas and 1 N-terminal TMS. It is a modulator of potassium channels, specifically
up-modulating the calcium and voltage-gated BK channels. It has no effect on
single channel conductance, but increases the open probability of BK
channels (Fan et al. 2003).
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| Accession Number: | Q9U3Z3 |
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| Protein Name: | Kappa-conotoxin BtX |
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| Length: | 70 |
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| Molecular Weight: | 7900.00 |
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| Species: | Conus betulinus (Beech cone) [89764] |
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| Number of TMSs: | 1 |
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| Location1 / Topology2 / Orientation3: |
Secreted1 |
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| Substrate |
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1: MMFRVTSVGC LLLVIVFLNL VVPTSACRAE GTYCENDSQC CLNECCWGGC GHPCRHPGKR
61: SKLQEFFRQR