Enables the transmembrane transfer of a sodium ion by a voltage-gated channel through the plasma membrane of an SA node cardiac muscle cell contributing to the depolarization phase of an action potential. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.

Combining with a MHC class Ib molecule of the HLA-A subclass to mediate signaling that inhibits activation of a lymphocyte.

Combining with a MHC class Ib protein complex to mediate signaling that inhibits activation of a lymphocyte.

Combining with a MHC class Ib protein complex to mediate signaling that activates a lymphocyte.

The process in which ions are transported across a membrane such that the Purkinje myocyte membrane potential changes in the direction from the positive membrane potential at the peak of the action potential towards the negative resting potential.

The process in which ions are transported across a membrane such that the bundle of His cardiac muscle cell membrane potential changes in the direction from the positive membrane potential at the peak of the action potential towards the negative resting potential.

The process that mediates signaling interactions between an AV node cardiomyocyte and a bundle of His cardiac muscle cell by transfer of current between their adjacent cytoplasms via intercellular protein channels.

Any process that modulates the frequency, rate or extent of vein smooth muscle contraction.

The process in which an SA node cardiac muscle cell membrane potential changes in the direction from the positive membrane potential at the peak of the action potential towards the negative resting potential.

Any process that activates, maintains or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of polysaccharides that make up the capsule, a protective structure surrounding some species of bacteria and fungi.

Any process that modulates the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of polysaccharides that make up the capsule, a protective structure surrounding some species of bacteria and fungi.

The process that mediates signaling interactions between a Purkinje myocyte and a ventricular cardiac muscle cell by transfer of current between their adjacent cytoplasms via intercellular protein channels.

The process that mediates signaling interactions between a bundle of His cardiac muscle cell and a Purkinje myocyte by transfer of current between their adjacent cytoplasms via intercellular protein channels.

Combining with a MHC class Ib molecule of the HLA-G subclass to mediate signaling that inhibits activation of a lymphocyte.

Enables the transmembrane transfer of a calcium ion by a voltage-gated channel across the plasma membrane of a bundle of His cardiac muscle cell that contributes to the depolarization phase of an action potential. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.

Enables the transmembrane transfer of a calcium ion by a voltage-gated channel across the plasma membrane of an AV node cardiac muscle cell that contributes to the depolarization phase of an action potential. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.

Any process that modulates the rate, frequency or extent of taurine biosynthesis.

Enables the transmembrane transfer of a calcium ion by a voltage-gated channel across the plasma membrane of an SA node cardiac muscle cell that contributes to the depolarization phase of an action potential. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.

Any process that decreases the frequency, rate or extent of vein smooth muscle contraction.

Enables the transmembrane transfer of a calcium ion by a voltage-gated channel across the plasma membrane of an Purkinje myocyte cell that contributes to the depolarization phase of an action potential. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.