Serotonin N-acetyltransferase; Controls the night/day rhythm of melatonin production in the pineal gland. Catalyzes the N-acetylation of serotonin into N- acetylserotonin, the penultimate step in the synthesis of melatonin. Belongs to the acetyltransferase family. AANAT subfamily.

Acetylserotonin O-methyltransferase; Isoform 1 catalyzes the transfer of a methyl group onto N- acetylserotonin, producing melatonin (N-acetyl-5-methoxytryptamine). Isoform 2 and isoform 3 lack enzyme activity. Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-independent O-methyltransferase family.

Serotonin N-acetyltransferase; Controls the night/day rhythm of melatonin production in the pineal gland. Catalyzes the N-acetylation of serotonin into N- acetylserotonin, the penultimate step in the synthesis of melatonin. Belongs to the acetyltransferase family. AANAT subfamily.

Catechol O-methyltransferase; Catalyzes the O-methylation, and thereby the inactivation, of catecholamine neurotransmitters and catechol hormones. Also shortens the biological half-lives of certain neuroactive drugs, like L-DOPA, alpha-methyl DOPA and isoproterenol; Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-dependent O-methyltransferase family.

Serotonin N-acetyltransferase; Controls the night/day rhythm of melatonin production in the pineal gland. Catalyzes the N-acetylation of serotonin into N- acetylserotonin, the penultimate step in the synthesis of melatonin. Belongs to the acetyltransferase family. AANAT subfamily.

Aromatic-L-amino-acid decarboxylase; Catalyzes the decarboxylation of L-3,4-dihydroxyphenylalanine (DOPA) to dopamine, L-5-hydroxytryptophan to serotonin and L-tryptophan to tryptamine; Belongs to the group II decarboxylase family.

Serotonin N-acetyltransferase; Controls the night/day rhythm of melatonin production in the pineal gland. Catalyzes the N-acetylation of serotonin into N- acetylserotonin, the penultimate step in the synthesis of melatonin. Belongs to the acetyltransferase family. AANAT subfamily.

Histidine decarboxylase; Catalyzes the biosynthesis of histamine from histidine. Belongs to the group II decarboxylase family.

Serotonin N-acetyltransferase; Controls the night/day rhythm of melatonin production in the pineal gland. Catalyzes the N-acetylation of serotonin into N- acetylserotonin, the penultimate step in the synthesis of melatonin. Belongs to the acetyltransferase family. AANAT subfamily.

Amine oxidase [flavin-containing] A; Catalyzes the oxidative deamination of biogenic and xenobiotic amines and has important functions in the metabolism of neuroactive and vasoactive amines in the central nervous system and peripheral tissues. MAOA preferentially oxidizes biogenic amines such as 5-hydroxytryptamine (5-HT), norepinephrine and epinephrine.

Serotonin N-acetyltransferase; Controls the night/day rhythm of melatonin production in the pineal gland. Catalyzes the N-acetylation of serotonin into N- acetylserotonin, the penultimate step in the synthesis of melatonin. Belongs to the acetyltransferase family. AANAT subfamily.

Tryptophan hydroxylase 1; Belongs to the biopterin-dependent aromatic amino acid hydroxylase family.

Acetylcholinesterase; Terminates signal transduction at the neuromuscular junction by rapid hydrolysis of the acetylcholine released into the synaptic cleft. Role in neuronal apoptosis. Belongs to the type-B carboxylesterase/lipase family.

Choline O-acetyltransferase; Catalyzes the reversible synthesis of acetylcholine (ACh) from acetyl CoA and choline at cholinergic synapses. Belongs to the carnitine/choline acetyltransferase family.

Acetylcholinesterase; Terminates signal transduction at the neuromuscular junction by rapid hydrolysis of the acetylcholine released into the synaptic cleft. Role in neuronal apoptosis. Belongs to the type-B carboxylesterase/lipase family.

Catechol O-methyltransferase; Catalyzes the O-methylation, and thereby the inactivation, of catecholamine neurotransmitters and catechol hormones. Also shortens the biological half-lives of certain neuroactive drugs, like L-DOPA, alpha-methyl DOPA and isoproterenol; Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-dependent O-methyltransferase family.

Acetylcholinesterase; Terminates signal transduction at the neuromuscular junction by rapid hydrolysis of the acetylcholine released into the synaptic cleft. Role in neuronal apoptosis. Belongs to the type-B carboxylesterase/lipase family.

Soluble dopamine beta-hydroxylase; Conversion of dopamine to noradrenaline.

Acetylcholinesterase; Terminates signal transduction at the neuromuscular junction by rapid hydrolysis of the acetylcholine released into the synaptic cleft. Role in neuronal apoptosis. Belongs to the type-B carboxylesterase/lipase family.

Amine oxidase [flavin-containing] A; Catalyzes the oxidative deamination of biogenic and xenobiotic amines and has important functions in the metabolism of neuroactive and vasoactive amines in the central nervous system and peripheral tissues. MAOA preferentially oxidizes biogenic amines such as 5-hydroxytryptamine (5-HT), norepinephrine and epinephrine.

Acetylcholinesterase; Terminates signal transduction at the neuromuscular junction by rapid hydrolysis of the acetylcholine released into the synaptic cleft. Role in neuronal apoptosis. Belongs to the type-B carboxylesterase/lipase family.

Tyrosine 3-monooxygenase; Plays an important role in the physiology of adrenergic neurons.

Acetylserotonin O-methyltransferase; Isoform 1 catalyzes the transfer of a methyl group onto N- acetylserotonin, producing melatonin (N-acetyl-5-methoxytryptamine). Isoform 2 and isoform 3 lack enzyme activity. Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-independent O-methyltransferase family.

Serotonin N-acetyltransferase; Controls the night/day rhythm of melatonin production in the pineal gland. Catalyzes the N-acetylation of serotonin into N- acetylserotonin, the penultimate step in the synthesis of melatonin. Belongs to the acetyltransferase family. AANAT subfamily.

Acetylserotonin O-methyltransferase; Isoform 1 catalyzes the transfer of a methyl group onto N- acetylserotonin, producing melatonin (N-acetyl-5-methoxytryptamine). Isoform 2 and isoform 3 lack enzyme activity. Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-independent O-methyltransferase family.

Catechol O-methyltransferase; Catalyzes the O-methylation, and thereby the inactivation, of catecholamine neurotransmitters and catechol hormones. Also shortens the biological half-lives of certain neuroactive drugs, like L-DOPA, alpha-methyl DOPA and isoproterenol; Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-dependent O-methyltransferase family.

Acetylserotonin O-methyltransferase; Isoform 1 catalyzes the transfer of a methyl group onto N- acetylserotonin, producing melatonin (N-acetyl-5-methoxytryptamine). Isoform 2 and isoform 3 lack enzyme activity. Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-independent O-methyltransferase family.

Aromatic-L-amino-acid decarboxylase; Catalyzes the decarboxylation of L-3,4-dihydroxyphenylalanine (DOPA) to dopamine, L-5-hydroxytryptophan to serotonin and L-tryptophan to tryptamine; Belongs to the group II decarboxylase family.

Acetylserotonin O-methyltransferase; Isoform 1 catalyzes the transfer of a methyl group onto N- acetylserotonin, producing melatonin (N-acetyl-5-methoxytryptamine). Isoform 2 and isoform 3 lack enzyme activity. Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-independent O-methyltransferase family.

Amine oxidase [flavin-containing] A; Catalyzes the oxidative deamination of biogenic and xenobiotic amines and has important functions in the metabolism of neuroactive and vasoactive amines in the central nervous system and peripheral tissues. MAOA preferentially oxidizes biogenic amines such as 5-hydroxytryptamine (5-HT), norepinephrine and epinephrine.

Acetylserotonin O-methyltransferase; Isoform 1 catalyzes the transfer of a methyl group onto N- acetylserotonin, producing melatonin (N-acetyl-5-methoxytryptamine). Isoform 2 and isoform 3 lack enzyme activity. Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-independent O-methyltransferase family.

Phenylalanine-4-hydroxylase; Catalyzes the hydroxylation of L-phenylalanine to L-tyrosine. Belongs to the biopterin-dependent aromatic amino acid hydroxylase family.

Acetylserotonin O-methyltransferase; Isoform 1 catalyzes the transfer of a methyl group onto N- acetylserotonin, producing melatonin (N-acetyl-5-methoxytryptamine). Isoform 2 and isoform 3 lack enzyme activity. Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-independent O-methyltransferase family.

Tryptophan hydroxylase 1; Belongs to the biopterin-dependent aromatic amino acid hydroxylase family.

Choline O-acetyltransferase; Catalyzes the reversible synthesis of acetylcholine (ACh) from acetyl CoA and choline at cholinergic synapses. Belongs to the carnitine/choline acetyltransferase family.

Acetylcholinesterase; Terminates signal transduction at the neuromuscular junction by rapid hydrolysis of the acetylcholine released into the synaptic cleft. Role in neuronal apoptosis. Belongs to the type-B carboxylesterase/lipase family.

Choline O-acetyltransferase; Catalyzes the reversible synthesis of acetylcholine (ACh) from acetyl CoA and choline at cholinergic synapses. Belongs to the carnitine/choline acetyltransferase family.

Soluble dopamine beta-hydroxylase; Conversion of dopamine to noradrenaline.

Choline O-acetyltransferase; Catalyzes the reversible synthesis of acetylcholine (ACh) from acetyl CoA and choline at cholinergic synapses. Belongs to the carnitine/choline acetyltransferase family.

Aromatic-L-amino-acid decarboxylase; Catalyzes the decarboxylation of L-3,4-dihydroxyphenylalanine (DOPA) to dopamine, L-5-hydroxytryptophan to serotonin and L-tryptophan to tryptamine; Belongs to the group II decarboxylase family.