Interacting selectively and non-covalently with dopamine, a catecholamine neurotransmitter formed by aromatic-L-amino-acid decarboxylase from 3,4-dihydroxy-L-phenylalanine.

Interacting selectively and non-covalently with cocaine (2-beta-carbomethoxy-3-beta-benzoxytropane), an alkaloid obtained from dried leaves of the South American shrub Erythroxylon coca or by chemical synthesis.

Combining with an extracellular amine and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex.

Catalysis of the reaction:(+)-amorpha-4,11-diene + 3 O2 + 3 reduced [NADPH--hemoprotein reductase] = (+)-artemisinate + 4 H(+) + 4 H2O + 3 oxidized [NADPH--hemoprotein reductase]

Enables the transmembrane transfer of a potassium ion by a voltage-gated channel. 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 cation by a voltage-gated channel. A cation is a positively charged ion. 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 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.

Enables the transmembrane transfer of a chloride ion by a voltage-gated channel. 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 an anion by a voltage-gated channel. An anion is a negatively charged ion. 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 facilitated diffusion of a chloride (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism.

Enables the transmembrane transfer of an ion by a voltage-gated channel. An ion is an atom or group of atoms carrying an electric charge by virtue of having gained or lost one or more electrons. A voltage-gated channel is a channel whose open state i

Enables the transmembrane transfer of a solute by a channel whose open state is dependent on the voltage across the membrane in which it is embedded.

Enables the transfer of an ion from one side of a membrane to the other.

Enables the transmembrane transfer of a calcium ion by a voltage-gated channel. 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 facilitated diffusion of a calcium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism.

Catalysis of the transfer of an ion from one side of a membrane to the other, driven by the reaction: ATP + H2O = ADP + phosphate.

Catalysis of the reaction: ATP + H2O = ADP + phosphate, to directly drive the active transport of a substance across a membrane.

Any ATPase coupled ion transmembrane transporter activity, occurring in the postsynaptic membrane, that is involved in regulation of postsynaptic membrane potential.

Any ATPase coupled ion transmembrane transporter activity, occurring in the presynaptic membrane, that is involved in regulation of presynaptic membrane potential.

Interacting selectively and non-covalently with an identical protein or proteins.

Any voltage-gated ion channel activity that is involved in regulation of postsynaptic membrane potential.

Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: norepinephrine(out) + Na+(out) = norepinephrine(in) + Na+(in).

Enables the transfer of organic hydroxy compound from one side of the membrane to the other.

Enables the transfer of monoamines, organic compounds that contain one amino group that is connected to an aromatic ring by an ethylene group (-CH2-CH2-), from one side of the membrane to the other.

Enables the transfer of organic cations from one side of a membrane to the other. Organic cations are atoms or small molecules with a positive charge that contain carbon in covalent linkage.

Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Na+(out) + Cl-(out) = Na+(in) + Cl-(in).

Voltage-gated ion channel activity, occurring in the presynaptic membrane, involved in regulation of presynaptic membrane potential. This is a key step in synaptic transmission, following the arrival of an action potential at the synapse.

Catalysis of the reaction: acyl-CoA + cholesterol = a cholesterol ester + CoA.

Process of increasing the rate of a chemical reaction

Catalysis of the reaction: S-adenosyl-L-methionine + DNA containing cytosine = S-adenosyl-L-homocysteine + DNA containing 5-methylcytosine.