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- Table of Contents
Facts about Calcium-activated potassium channel subunit beta-1.
Increases the apparent Ca(2+)/voltage sensitivity of the KCNMA1 channel. It also modifies KCNMA1 channel kinetics and alters its pharmacological properties.
Human | |
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Gene Name: | KCNMB1 |
Uniprot: | Q16558 |
Entrez: | 3779 |
Belongs to: |
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KCNMB (TC 8.A.14.1) family |
BK channel beta subunit; BK channel subunit beta-1; BKbeta; BKbeta1; Calcium-activated potassium channel subunit beta; calcium-activated potassium channel subunit beta-1; Calcium-activated potassium channel, subfamily M subunit beta-1; Charybdotoxin receptor subunit beta-1; hbeta1; hslo-beta; K(VCA)beta; k(VCA)beta-1; large conductance Ca2+-activated K+ channel beta 1 subunit; Maxi K channel beta subunit; Maxi K channel subunit beta-1; potassium large conductance calcium-activated channel, subfamily M, beta member1; Slo-beta; slo-beta-1
Mass (kDA):
21.797 kDA
Human | |
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Location: | 5q35.1 |
Sequence: | 5; NC_000005.10 (170374671..170389367, complement) |
Abundantly expressed in smooth muscle. Low levels of expression in most other tissues. Within the brain, relatively high levels found in hippocampus and corpus callosum.
Membrane; Multi-pass membrane protein.
PMID: 8612769 by Meera P., et al. A calcium switch for the functional coupling between alpha (hslo) and beta subunits (KV,Ca beta) of maxi K channels.
PMID: 8764643 by Dworetzky S.I., et al. Phenotypic alteration of a human BK (hSlo) channel by hSlobeta subunit coexpression: changes in blocker sensitivity, activation/relaxation and inactivation kinetics, and protein kinase A modulation.