General Information of the Protein
Protein ID
PT03627
Protein Name
Catechol O-methyltransferase
Gene Name
COMT
Sequence
MPEAPPLLLAAVLLGLVLLVVLLLLLRHWGWGLCLIGWNEFILQPIHNLLMGDTKEQRILNHVLQHAEPGNAQSVLEAIDTYCEQKEWAMNVGDKKGKIVDAVIQEHQPSVLLELGAYCGYSAVRMARLLSPGARLITIEINPDCAAITQRMVDFAGVKDKVTLVVGASQDIIPQLKKKYDVDTLDMVFLDHWKDRYLPDTLLLEECGLLRKGTVLLADNVICPGAPDFLAHVRGSSCFECTHYQSFLEYREVVDGLEKAIYKGPGSEAGP
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Organism
Homo sapiens, Human
Protein Classification
Enzyme
>
Transferase
Function
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.
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Uniprot ID
Primary ID:
P21964

Secondarily ID:
A8MPV9
Q6IB07
Q6ICE6
Q9BWC7
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Ensembl ID
ENSG00000093010
HGNC ID
HGNC:2228
Subcellular Location
Cytoplasm
Map of Molecular Bioactivity Related to the Protein
Map of Molecular Bioactivity Related to the Protein

Protein
Cell Line
Compound

Bioactivity Value:

<= 0.1 μM
> 0.1 μM and <= 10 μM
> 10 μM
Imprecise Activity
Table of Molecular Bioactivities Related to the Protein
Cell Line ID: CL000006 , HEK293
 Cell Line Info 
Compound ID Compound Name Compound Formula
CP0068092
 Compound Info 
(3,4-Dihydroxy-5-nitro-phenyl)-p-tolyl-methanone
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C14H11NO5
  1
1
IC50 < 1 nM
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CP0387334
 Compound Info 
5-(2-benzylpyrrolidin-1-yl)sulfonylquinolin-8-ol
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C20H20N2O3S
  1
1
IC50 = 1.995 nM
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CP0427211
 Compound Info 
5-cyclopentylsulfonyl-7-fluoroquinolin-8-ol
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C14H14FNO3S
  1
1
IC50 = 1.995 nM
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CP0534905
 Compound Info 
5-[3-(4-fluorophenyl)pyrrolidin-1-yl]sulfonylquinolin-8-ol
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C19H17FN2O3S
  1
1
IC50 = 3.162 nM
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CP0159103
 Compound Info 
7-fluoro-5-pyrrolidin-1-ylsulfonylquinolin-8-ol
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C13H13FN2O3S
  1
1
IC50 = 3.981 nM
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CP0404794
 Compound Info 
7-fluoro-5-(4-fluorophenyl)sulfonylquinolin-8-ol
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C15H9F2NO3S
  1
1
IC50 = 3.981 nM
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CP0437962
 Compound Info 
2-[(2,6-dimethylphenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C17H20N2O2
  1
1
IC50 = 6.3 nM
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CP0438323
 Compound Info 
7-fluoro-5-(4-methylphenyl)sulfonylquinolin-8-ol
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C16H12FNO3S
  1
1
IC50 = 6.31 nM
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CP0534904
 Compound Info 
5-cyclopentylsulfonylquinolin-8-ol
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C14H15NO3S
  1
1
IC50 = 6.31 nM
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CP0476687
 Compound Info 
5-pyrrolidin-1-ylsulfonylquinolin-8-ol
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C13H14N2O3S
  1
1
IC50 = 7.943 nM
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CP0519742
 Compound Info 
7-chloro-5-pyrrolidin-1-ylsulfonylquinolin-8-ol
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C13H13ClN2O3S
  1
1
IC50 = 10 nM
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CP0355617
 Compound Info 
2-[(2,4-dichlorophenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C15H14Cl2N2O2
  1
1
IC50 = 10 nM
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CP0437963
 Compound Info 
2-[(2,6-dichlorophenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C15H14Cl2N2O2
  1
1
IC50 = 10 nM
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CP0559353
 Compound Info 
2-[(2,4-dimethylphenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C17H20N2O2
  1
1
IC50 = 13 nM
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CP0474014
 Compound Info 
2-[(2-chloro-6-fluorophenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C15H14ClFN2O2
  1
1
IC50 = 16 nM
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CP0080125
 Compound Info 
5-(4-methylphenyl)sulfonylquinolin-8-ol
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C16H13NO3S
  1
1
IC50 = 19.95 nM
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CP0483087
 Compound Info 
7-chloro-5-cyclopentylsulfonylquinolin-8-ol
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C14H14ClNO3S
  1
1
IC50 = 19.95 nM
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CP0484717
 Compound Info 
7-methyl-5-pyrrolidin-1-ylsulfonylquinolin-8-ol
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C14H16N2O3S
  1
1
IC50 = 19.95 nM
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CP0576302
 Compound Info 
2-[(2,6-difluorophenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C15H14F2N2O2
  1
1
IC50 = 38 nM
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CP0437965
 Compound Info 
2-[(2-chlorophenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C15H15ClN2O2
  1
1
IC50 = 40 nM
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CP0462435
 Compound Info 
2-[(2-chloro-4-fluorophenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C15H14ClFN2O2
  1
1
IC50 = 40 nM
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CP0575401
 Compound Info 
2-[(2,3-dimethylphenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C17H20N2O2
  1
1
IC50 = 40 nM
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CP0533949
 Compound Info 
7-hydroxy-2-[(2-methylphenyl)methyl]-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C16H18N2O2
  1
1
IC50 = 50 nM
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CP0536340
 Compound Info 
2-[(2-fluorophenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C15H15FN2O2
  1
1
IC50 = 50 nM
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CP0438319
 Compound Info 
5-ethylsulfonylquinolin-8-ol
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C11H11NO3S
  1
1
IC50 = 50.12 nM
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CP0533948
 Compound Info 
7-hydroxy-2-[[2-(trifluoromethyl)phenyl]methyl]-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C16H15F3N2O2
  1
1
IC50 = 60 nM
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CP0437961
 Compound Info 
2-[(2,5-dimethylphenyl)methyl]-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C17H20N2O2
  1
1
IC50 = 63 nM
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CP0521500
 Compound Info 
5-[4-(trifluoromethyl)phenyl]sulfonylquinolin-8-ol
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C16H10F3NO3S
  1
1
IC50 = 63.1 nM
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CP0438321
 Compound Info 
7-fluoro-5-[4-(trifluoromethyl)phenyl]sulfonylquinolin-8-ol
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C16H9F4NO3S
  1
1
IC50 = 79.43 nM
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CP0544595
 Compound Info 
2-[(7-hydroxy-8-oxo-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-2-yl)methyl]benzonitrile
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C16H15N3O2
  1
1
IC50 = 100 nM
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CP0412358
 Compound Info 
7-chloro-5-(4-fluorophenyl)sulfonylquinolin-8-ol
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C15H9ClFNO3S
  1
1
IC50 = 199.53 nM
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CP0556289
 Compound Info 
2-benzyl-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C15H16N2O2
  1
1
IC50 = 220 nM
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CP0575400
 Compound Info 
7-hydroxy-2-[(2-methoxyphenyl)methyl]-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C16H18N2O3
  1
1
IC50 = 250 nM
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CP0513468
 Compound Info 
5-(4-methylphenyl)quinolin-8-ol
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C16H13NO
  1
1
IC50 = 251.19 nM
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CP0438326
 Compound Info 
7-chloro-5-(4-methylphenyl)sulfonylquinolin-8-ol
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C16H12ClNO3S
  1
1
IC50 = 316.23 nM
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CP0559824
 Compound Info 
7-hydroxy-2-[(4-methoxyphenyl)methyl]-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C16H18N2O3
  1
1
IC50 = 400 nM
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CP0437960
 Compound Info 
7-hydroxy-2-[[4-(trifluoromethyl)phenyl]methyl]-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C16H15F3N2O2
  1
1
IC50 = 450 nM
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CP0559351
 Compound Info 
2-(2-ethylbutyl)-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C14H22N2O2
  1
1
IC50 = 630 nM
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CP0567266
 Compound Info 
7-bromo-5-(4-methylphenyl)sulfonylquinolin-8-ol
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C16H12BrNO3S
  1
1
IC50 = 1258.93 nM
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CP0068732
 Compound Info 
8-quinolinol
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C9H7NO
  1
1
IC50 = 1584.89 nM
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CP0437958
 Compound Info 
7-hydroxy-2-(2-methylpropyl)-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C12H18N2O2
  1
1
IC50 = 1600 nM
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CP0437959
 Compound Info 
4-[(7-hydroxy-8-oxo-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-2-yl)methyl]benzonitrile
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C16H15N3O2
  1
1
IC50 = 2000 nM
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CP0559352
 Compound Info 
7-hydroxy-2-(2-phenylethyl)-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C16H18N2O2
  1
1
IC50 = 2000 nM
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CP0550247
 Compound Info 
(8-hydroxyquinolin-5-yl)-(4-methylphenyl)methanone
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C17H13NO2
  1
1
IC50 = 3981.07 nM
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CP0576301
 Compound Info 
7-hydroxy-2-(pyridin-3-ylmethyl)-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C14H15N3O2
  1
1
IC50 = 6300 nM
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CP0412357
 Compound Info 
8-methoxy-5-pyrrolidin-1-ylsulfonylquinoline
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C14H16N2O3S
  1
1
IC50 > 10000 nM
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CP0438325
 Compound Info 
5-cyclopentylsulfonyl-7-(trifluoromethyl)quinolin-8-ol
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C15H14F3NO3S
  1
1
IC50 > 10000 nM
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CP0476688
 Compound Info 
5-(4-methylphenyl)sulfonyl-7-(trifluoromethyl)quinolin-8-ol
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C17H12F3NO3S
  1
1
IC50 > 10000 nM
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CP0521499
 Compound Info 
(8-hydroxyquinolin-5-yl)-pyrrolidin-1-ylmethanone
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C14H14N2O2
  1
1
IC50 > 10000 nM
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CP0474013
 Compound Info 
2-(4-fluorobenzoyl)-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C15H13FN2O3
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1
IC50 > 10000 nM
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CP0563603
 Compound Info 
7-hydroxy-1,2,3,4-tetrahydropyrido[1,2-a]pyrazin-8-one
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C8H10N2O2
  1
1
IC50 > 10000 nM
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CP0563986
 Compound Info 
2-(benzenesulfonyl)-7-hydroxy-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-8-one
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C14H14N2O4S
  1
1
IC50 > 10000 nM
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Cell Line ID: CL000154 , HEK293-EBNA1-6E
 Cell Line Info 
Biochemical Assays
Compound ID Compound Name Compound Formula
CP0068092
 Compound Info 
(3,4-Dihydroxy-5-nitro-phenyl)-p-tolyl-methanone
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C14H11NO5
  1
1 IC50 < 1 nM
CP0080125
 Compound Info 
5-(4-methylphenyl)sulfonylquinolin-8-ol
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C16H13NO3S
  1
1 IC50 = 19.95 nM
CP0068732
 Compound Info 
8-quinolinol
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C9H7NO
  1
1 IC50 = 3162.28 nM
Clinical Information about the Protein
Target 1 ( Catechol-O-methyl-transferase (COMT) )
Target Type Successful Target
Disease 3 Target-related Diseases  3
1 Parkinson disease [ICD-11: 8A00.0]
2 Pain [ICD-11: MG30-MG3Z]
3 Non-insulin dependent diabetes [ICD-11: 5A11]
Approved Drug(s) 3 Approved Drugs  3
1 Entacapone
 Drug Info 
Approved
Parkinson disease
2 Opicapone
 Drug Info 
Approved
Parkinson disease
3 Tolcapone
 Drug Info 
Approved
Parkinson disease
Clinical Trial Drug(s) 1 Clinical Trial Drug  1
1 BIA 3-202
 Drug Info 
Phase 2
Parkinson disease
Discontinued Drug(s) 1 Discontinued Drug  1
1 Nitecapone
 Drug Info 
Discontinued in Phase 2
Pain
Investigative Drug(s) 1 Investigative Drug  1
1 BIA
 Drug Info 
Investigative
Non-insulin dependent diabetes
Target 2 ( HUMAN catechol-O-methyl-transferase (COMT) )
Target Type Unknown Type Target