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Catechol O-methyltransferase, porcine liver (COMT), the magnesium-dependent transfer of methyl groups from S-adenosyl methionine to a hydroxyl group on dopamine, converting it to 3-methoxytyramine. Catechol O-methyltransferase has two forms in tissues, a soluble form (S-COMT) and a membrane-bound form (MB-COMT). Catechol O-methyltransferase is to regulate epinephrine, norepinephrine, and dopamine levels in the brain .
3,5-Dinitrocatechol (OR-486) is a potent catechol-O-methyltransferase inhibitor, with an IC50 of 12 nM. 3,5-Dinitrocatechol can be used in the preparation of the molybdenum (VI)- 3,5-Dinitrocatechol complex .
S-Adenosylhomocysteine sulfoxide is an inhibitor of catechol-O-methyltransferase (COMT) with an IC50 value of 860 μM. S-Adenosylhomocysteine sulfoxide can be used in the research of methylation reaction modulators .
Opicapone (BIA 9-1067) is a potent third-generation catechol-O-methyltransferase (COMT) inhibitor for the research of Parkinson's disease and motor fluctuations. Opicapone decreases the ATP content of the cells with an IC50 of 98 μM .
3-O-Methyldopa (3-Methoxy-L-tyrosine) is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of l-DOPA and dopamine .
CGP 28014 is a catechol-O-methyltransferase inhibitor. CGP 28014 can lower HVA levels and increase DOPAC levels in the striatum of rats, making it useful for research on Parkinson's disease .
(Z)-Entacapone is a metabolite of the catechol-O-methyltransferase (COMT) inhibitor Entacapone (HY-14280). It is also a potential impurity found in commercial preparations of Entacapone and a degradant of Entacapone formed by UV light exposure.
3-BTD (3-Benzothiazole-daphnetin) is a Catechol-O-methyltransferase (COMT) two-photon fluorescence probe. 3-BTD can also be used for biological imaging of endogenous COMT in living cells and tissue sections .
Nitecapone (OR-462) is an orally active and short-acting catechol-O-methyltransferase (COMT) inhibitor with gastroprotective and antioxidant properties. Nitecapone (OR-462) scavenges reactive oxygen and nitric radicals and prevents lipid peroxidation .
Nebicapone (BIA 3-202), a reversible catechol-O-methyltransferase (COMT) inhibitor, is mainly metabolized by glucuronidation. Nebicapone is mainly peripherally acting inhibitor that decreases the biotransformation of L-DOPA to 3-O-methyl-DOPA by inhibition of COMT, and it is potential for the treatment of Parkinson's disease .
Opicapone (Standard) is the analytical standard of Opicapone. This product is intended for research and analytical applications. Opicapone (BIA 9-1067) is a potent third-generation catechol-O-methyltransferase (COMT) inhibitor for the research of Parkinson's disease and motor fluctuations. Opicapone decreases the ATP content of the cells with an IC50 of 98 μM .
COMT-IN-1 (compound C12), a nitrophenolic analogue, is an orally active dopamine metabolic enzyme catechol-O-methyltransferase (COMT) inhibitor with IC50s of 0.37 μM, 95.58 μM and 58.82 μM for COMT, MAO-A and MAO-B, respectively. COMT-IN-1 exhibits chelation with a variety of metal ions. COMT-IN-1 exhibits good BBB permeability. COMT-IN-1 improves dopamine levels and ameliorates MPTP (HY-15608)-induced Parkinson's disease (PD) symptoms in mice .
3-O-Methyldopa-d3 is deuterium labeled 3-O-Methyldopa. 3-O-Methyldopa is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of l-DOPA and dopamine[1].
3-O-Methyldopa-d3 (hydrate) is the deuterium labeled 3-O-Methyldopa. 3-O-Methyldopa (3-Methoxy-L-tyrosine) is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of l-DOPA and dopamine[1].
(R)-3-O-Methyldopa-d3 is a deuterium labeled (R)-3-O-Methyldopa, and (R)-3-O-Methyldopa is an R-enantiomer of 3-O-Methyldopa. 3-O-Methyldopa is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of L-DOPA and dopamine[1][2].
(R)-3-O-Methyldopa-d3 (hydrochloride) is a deuterium labeled (R)-3-O-Methyldopa, and (R)-3-O-Methyldopa is an R-enantiomer of 3-O-Methyldopa. 3-O-Methyldopa is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of L-DOPA and dopamine[1][2].
Serotonin is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
Serotonin (5-Hydroxytryptamine) hydrochloride is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin hydrochloride is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
Methylspinazarin is a potent inhibitor of catechol O-methyltransferase (COMT, IC50 = 0.8 μg/ml) that can be isolated from Streptomyces. Methylspinazarin is selective for COMT over tyrosine hydroxylase .
Serotonin-d4 is deuterium labeled Serotonin. Serotonin is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
Entacapone is a potent, reversible, peripherally acting and orally active catechol-O-methyltransferase (COMT) inhibitor. Entacapone inhibits COMT from rat brain, erythrocytes and liver with IC50 values of 10 nM, 20 nM, and 160 nM, respectively. Entacapone is selective for COMT over other catecholamine metabolizing enzymes, including MAO-A, MAO-B, phenolsulphotransferase M (PST-M) and PST-P (IC50s>50 µM). Entacapone can be used for the research of Parkinson's disease . Entacapone serves as a inhibitor of FTO demethylation with an IC50 of 3.5 μM, can be used for the research of metabolic disorders .
Entacapone sodium salt is a potent, reversible, peripherally acting and orally active catechol-O-methyltransferase (COMT) inhibitor. Entacapone sodium salt inhibits COMT from rat brain, erythrocytes and liver with IC50 values of 10 nM, 20 nM, and 160 nM, respectively. Entacapone sodium salt is selective for COMT over other catecholamine metabolizing enzymes, including MAO-A, MAO-B, phenolsulphotransferase M (PST-M) and PST-P (IC50s>50 μM). Entacapone sodium salt can be used for the research of Parkinson's disease . Entacapone sodium salt serves as as a inhibit of FTO demethylation with an IC50 of 3.5 μM, can be used for the research of metabolic disorders .
Entacapone-d10 is the deuterium labeled Entacapone. Entacapone is a potent, reversible, peripherally acting and orally active catechol-O-methyltransferase (COMT) inhibitor. Entacapone inhibits COMT from rat brain, erythrocytes and liver with IC50 values of 10 nM, 20 nM, and 160 nM, respectively. Entacapone is selective for COMT over other catecholamine metabolizing enzymes, including MAO-A, MAO-B, phenolsulphotransferase M (PST-M) and PST-P (IC50s>50 µM). Entacapone can be used for the research of Parkinson's disease[1]. Entacapone serves as a inhibitor of FTO demethylation with an IC50 of 3.5 μM, can be used for the research of metabolic disorders[2].
Entacapone (Standard) is the analytical standard of Entacapone. This product is intended for research and analytical applications. Entacapone is a potent, reversible, peripherally acting and orally active catechol-O-methyltransferase (COMT) inhibitor. Entacapone inhibits COMT from rat brain, erythrocytes and liver with IC50 values of 10 nM, 20 nM, and 160 nM, respectively. Entacapone is selective for COMT over other catecholamine metabolizing enzymes, including MAO-A, MAO-B, phenolsulphotransferase M (PST-M) and PST-P (IC50s>50 µM). Entacapone can be used for the research of Parkinson's disease . Entacapone serves as a inhibitor of FTO demethylation with an IC50 of 3.5 μM, can be used for the research of metabolic disorders .
Isoetharine (Isoetarine) mesylate is an orally active selective agonist of β-adrenergic receptors. Isoetharine mesylate is a catechol-like agent and catechol O-methyltransferase (COMT) mediates its methylation. Isoetharine mesylate can promote the production of cAMP which stimulates the relaxation of smooth muscle cells and can be used as an emphysema, bronchitis and bronchodilator .
Isoetharine (Isoetarine) is an orally active selective agonist of β-adrenergic receptors. Isoetharine is a catechol-like agent and catechol O-methyltransferase (COMT) mediates its methylation. Isoetharine can promote the production of cAMP which stimulates the relaxation of smooth muscle cells and can be used as an emphysema, bronchitis and bronchodilator .
Serotonin-d4 (5-Hydroxytryptamine-d4) hydrochloride is the deuterium labeled Serotonin (hydrochloride) (HY-B1473) . Serotonin (5-Hydroxytryptamine) hydrochloride is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin hydrochloride is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM .
3-O-Methyldopa monohydrate (3-Methoxy-L-tyrosine monohydrate) is a significant metabolite of L-DOPA produced through the action of catechol O-methyltransferase (COMT). Unlike its precursor, 3-O-Methyldopa does not serve as a substrate or inhibitor of L-amino acid decarboxylase activity. Additionally, the inhibition of COMT can amplify the anti-Parkinson effects of L-DOPA.
MAPI is a polypeptide irreversible 3C cysteine protease (SV3CP) inhibitor. MAPI inhibits SV3CP by covalently binding its C-terminal Michael-acceptor extension to the active site thiol of SV3CP Cys 139. MAPI is promising for research of noroviruses infection .
Astressin 2B is a potent and selective corticotropin-releasing factor receptor 2 (CRF2) antagonist, with the IC50 values of 1.3 nM and > 500 nM for CRF2 and CRF1, respectively. Astressin 2B antagonizes CRF2-mediated inhibition of gastric emptying .
Astressin 2B TFA is a potent and selective corticotropin-releasing factor receptor 2 (CRF2) antagonist, with the IC50 values of 1.3 nM and > 500 nM for CRF2 and CRF1, respectively. Astressin 2B TFA antagonizes CRF2-mediated inhibition of gastric emptying .
SKF 100398 (d(CH2)5Tyr(Et)VAVP), an arginine vasopressin (AVP) analogue, is a specific antagonist of the antidiuretic effect of exogenous and endogenous AVP .
Kahalalide A is an anti-mycobacterial compound with antimicrobial activity. Kahalalide A is derived from the marine mollusk Elysia rufescens. Kahalalide A has attracted extensive attention in natural product research due to its potential medicinal value .
Rusfertide is a peptide mimetic of natural hepcidin, which targets and degrades ferroportin, reduces serum iron and transferrin-saturation, and thus regulates the production of red blood cells. Rusfertide ameliorates the polycythemia vera, β-thalassemia and hereditary hemochromatosis .
Noraramtide (BHV-1100) is an antibody recruitment molecule. Noraramtide can specifically bind to CD38 molecules to recruit natural killer (NK) cells. Noraramtide enhances the ability of NK cells to kill tumor cells through antibody-dependent cellular cytotoxicity (ADCC). This mechanism allows NK cells to more effectively recognize and eliminate tumor cells while avoiding mutual killing between NK cells. Noraramtide can be used for the study of autologous cancer immunity .
3-BTD (3-Benzothiazole-daphnetin) is a Catechol-O-methyltransferase (COMT) two-photon fluorescence probe. 3-BTD can also be used for biological imaging of endogenous COMT in living cells and tissue sections .
Astressin 2B TFA is a potent and selective corticotropin-releasing factor receptor 2 (CRF2) antagonist, with the IC50 values of 1.3 nM and > 500 nM for CRF2 and CRF1, respectively. Astressin 2B TFA antagonizes CRF2-mediated inhibition of gastric emptying .
SKF 100398 (d(CH2)5Tyr(Et)VAVP), an arginine vasopressin (AVP) analogue, is a specific antagonist of the antidiuretic effect of exogenous and endogenous AVP .
Rusfertide is a peptide mimetic of natural hepcidin, which targets and degrades ferroportin, reduces serum iron and transferrin-saturation, and thus regulates the production of red blood cells. Rusfertide ameliorates the polycythemia vera, β-thalassemia and hereditary hemochromatosis .
MAPI is a polypeptide irreversible 3C cysteine protease (SV3CP) inhibitor. MAPI inhibits SV3CP by covalently binding its C-terminal Michael-acceptor extension to the active site thiol of SV3CP Cys 139. MAPI is promising for research of noroviruses infection .
N-(2-Carbamoyl-ethyl)-Val-Leu-anilide is a polypeptide that can be found by peptide screening. Peptide screening is a research tool that pools active peptides primarily by immunoassay. Peptide screening can be used for protein interaction, functional analysis, epitope screening, especially in the field of agent research and development .
Astressin 2B is a potent and selective corticotropin-releasing factor receptor 2 (CRF2) antagonist, with the IC50 values of 1.3 nM and > 500 nM for CRF2 and CRF1, respectively. Astressin 2B antagonizes CRF2-mediated inhibition of gastric emptying .
Kahalalide A is an anti-mycobacterial compound with antimicrobial activity. Kahalalide A is derived from the marine mollusk Elysia rufescens. Kahalalide A has attracted extensive attention in natural product research due to its potential medicinal value .
Noraramtide (BHV-1100) is an antibody recruitment molecule. Noraramtide can specifically bind to CD38 molecules to recruit natural killer (NK) cells. Noraramtide enhances the ability of NK cells to kill tumor cells through antibody-dependent cellular cytotoxicity (ADCC). This mechanism allows NK cells to more effectively recognize and eliminate tumor cells while avoiding mutual killing between NK cells. Noraramtide can be used for the study of autologous cancer immunity .
Catechol O-methyltransferase, porcine liver (COMT), the magnesium-dependent transfer of methyl groups from S-adenosyl methionine to a hydroxyl group on dopamine, converting it to 3-methoxytyramine. Catechol O-methyltransferase has two forms in tissues, a soluble form (S-COMT) and a membrane-bound form (MB-COMT). Catechol O-methyltransferase is to regulate epinephrine, norepinephrine, and dopamine levels in the brain .
3-O-Methyldopa (3-Methoxy-L-tyrosine) is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of l-DOPA and dopamine .
Serotonin is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
Serotonin (5-Hydroxytryptamine) hydrochloride is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin hydrochloride is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
Catechol-O-methyltransferase (COMT) plays a crucial role by catalyzing and inactivating the O-methylation of catecholamine neurotransmitters and catechol hormones. This enzyme activity is critical for regulating the biological half-life of key neuroactive compounds, including catecholamines. COMT Protein, Human (His) is the recombinant human-derived COMT protein, expressed by E. coli , with N-6*His labeled tag. The total length of COMT Protein, Human (His) is 220 a.a., with molecular weight of 25-28 kDa.
Catechol-O-methyltransferase (COMT) plays a crucial role by catalyzing and inactivating the O-methylation of catecholamine neurotransmitters and catechol hormones. This enzyme activity is critical for regulating the biological half-life of key neuroactive compounds, including catecholamines. COMT Protein, Human (sf9, His) is the recombinant human-derived COMT protein, expressed by Sf9 insect cells , with C-His labeled tag. The total length of COMT Protein, Human (sf9, His) is 221 a.a., with molecular weight of ~20.3 kDa.
3-O-Methyldopa-d3 is deuterium labeled 3-O-Methyldopa. 3-O-Methyldopa is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of l-DOPA and dopamine[1].
Serotonin-d4 is deuterium labeled Serotonin. Serotonin is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
Entacapone-d10 is the deuterium labeled Entacapone. Entacapone is a potent, reversible, peripherally acting and orally active catechol-O-methyltransferase (COMT) inhibitor. Entacapone inhibits COMT from rat brain, erythrocytes and liver with IC50 values of 10 nM, 20 nM, and 160 nM, respectively. Entacapone is selective for COMT over other catecholamine metabolizing enzymes, including MAO-A, MAO-B, phenolsulphotransferase M (PST-M) and PST-P (IC50s>50 µM). Entacapone can be used for the research of Parkinson's disease[1]. Entacapone serves as a inhibitor of FTO demethylation with an IC50 of 3.5 μM, can be used for the research of metabolic disorders[2].
Serotonin-d4 (5-Hydroxytryptamine-d4) hydrochloride is the deuterium labeled Serotonin (hydrochloride) (HY-B1473) . Serotonin (5-Hydroxytryptamine) hydrochloride is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin hydrochloride is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM .
3-O-Methyldopa-d3 (hydrate) is the deuterium labeled 3-O-Methyldopa. 3-O-Methyldopa (3-Methoxy-L-tyrosine) is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of l-DOPA and dopamine[1].
(R)-3-O-Methyldopa-d3 is a deuterium labeled (R)-3-O-Methyldopa, and (R)-3-O-Methyldopa is an R-enantiomer of 3-O-Methyldopa. 3-O-Methyldopa is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of L-DOPA and dopamine[1][2].
(R)-3-O-Methyldopa-d3 (hydrochloride) is a deuterium labeled (R)-3-O-Methyldopa, and (R)-3-O-Methyldopa is an R-enantiomer of 3-O-Methyldopa. 3-O-Methyldopa is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of L-DOPA and dopamine[1][2].
COMT Antibody (YA2014) is a rabbit-derived non-conjugated IgG antibody (Clone NO.: YA2014), targeting COMT, with a predicted molecular weight of 30 kDa (observed band size: 24,28 kDa). COMT Antibody (YA2014) can be used for WB, IHC-P experiment in human, mouse, rat background.
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