The name of this superfamily has been modified since the most recent official CATH+ release (v4_2_0). At the point of the last release, this superfamily was named:

"
KCNMB2, ball/chain domain
".

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
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FunFam 29: Calcium-activated potassium channel subunit beta-2

Please note: GO annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

There are 5 GO terms relating to "molecular function"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Potassium channel activity GO:0005267
Enables the facilitated diffusion of a potassium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism.
1 Q811Q0 (/IDA)
Ion channel inhibitor activity GO:0008200
Stops, prevents, or reduces the activity of an ion channel.
1 Q9Y691 (/TAS)
Calcium-activated potassium channel activity GO:0015269
Enables the calcium concentration-regulatable energy-independent passage of potassium ions across a lipid bilayer down a concentration gradient.
1 Q9Y691 (/IDA)
Calcium-activated potassium channel activity GO:0015269
Enables the calcium concentration-regulatable energy-independent passage of potassium ions across a lipid bilayer down a concentration gradient.
1 Q9CZM9 (/ISO)
Potassium channel regulator activity GO:0015459
Modulates potassium channel activity via direct interaction interaction with a potassium channel (binding or modification).
1 Q9Y691 (/TAS)

There are 9 GO terms relating to "biological process"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Action potential GO:0001508
A process in which membrane potential cycles through a depolarizing spike, triggered in response to depolarization above some threshold, followed by repolarization. This cycle is driven by the flow of ions through various voltage gated channels with different thresholds and ion specificities.
1 Q9Y691 (/IDA)
Action potential GO:0001508
A process in which membrane potential cycles through a depolarizing spike, triggered in response to depolarization above some threshold, followed by repolarization. This cycle is driven by the flow of ions through various voltage gated channels with different thresholds and ion specificities.
1 Q9CZM9 (/ISO)
Detection of calcium ion GO:0005513
The series of events in which a calcium ion stimulus is received by a cell and converted into a molecular signal.
1 Q9Y691 (/IDA)
Detection of calcium ion GO:0005513
The series of events in which a calcium ion stimulus is received by a cell and converted into a molecular signal.
1 Q9CZM9 (/ISO)
Potassium ion transport GO:0006813
The directed movement of potassium ions (K+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
1 Q9Y691 (/IDA)
Potassium ion transport GO:0006813
The directed movement of potassium ions (K+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
1 Q9CZM9 (/ISO)
Neuronal action potential GO:0019228
An action potential that occurs in a neuron.
1 Q9Y691 (/IDA)
Neuronal action potential GO:0019228
An action potential that occurs in a neuron.
1 Q9CZM9 (/ISO)
Regulation of vasoconstriction GO:0019229
Any process that modulates the frequency, rate or extent of reductions in the diameter of blood vessels.
1 Q9Y691 (/TAS)

There are 5 GO terms relating to "cellular component"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Plasma membrane GO:0005886
The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
1 Q9Y691 (/TAS)
Integral component of plasma membrane GO:0005887
The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
1 Q9Y691 (/IDA)
Integral component of plasma membrane GO:0005887
The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
1 Q9CZM9 (/ISO)
Voltage-gated potassium channel complex GO:0008076
A protein complex that forms a transmembrane channel through which potassium ions may cross a cell membrane in response to changes in membrane potential.
1 Q9Y691 (/IDA)
Voltage-gated potassium channel complex GO:0008076
A protein complex that forms a transmembrane channel through which potassium ions may cross a cell membrane in response to changes in membrane potential.
1 Q9CZM9 (/ISO)