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6 Cards in this Set
- Front
- Back
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how to switch h gate to conducting state?
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repolarizing or hyperpolarizing potentials
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what favours decrease in gK?
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mmb hyperpolarization
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general structure of Na+ channel?
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4 domains, each domain having 6 transmmb spanning segments S1-S6; 4 domains aggregate in circular pattern to form pore of channel
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what part of Na+ channel controls ion selectivity?
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EC loop b/w S5 and S6 folded inward
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what part of Na+ channel is the voltage sensor?
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every 2nd and 3rd aa in S4 +vely charged
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what part of Na+ channel is the inactivation gate?
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cytoplasmic linker b/w domain 3 and 4
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