You are using an unsupported browser. Please upgrade your browser to a newer version to get the best experience on Toxin, Toxin Target Database.

Catechol O-methyltransferase

NameCatechol O-methyltransferase
Synonyms
  • 2.1.1.6
Gene NameCOMT
OrganismHuman
Amino acid sequence
>lcl|BSEQ0004096|Catechol O-methyltransferase
MPEAPPLLLAAVLLGLVLLVVLLLLLRHWGWGLCLIGWNEFILQPIHNLLMGDTKEQRIL
NHVLQHAEPGNAQSVLEAIDTYCEQKEWAMNVGDKKGKIVDAVIQEHQPSVLLELGAYCG
YSAVRMARLLSPGARLITIEINPDCAAITQRMVDFAGVKDKVTLVVGASQDIIPQLKKKY
DVDTLDMVFLDHWKDRYLPDTLLLEECGLLRKGTVLLADNVICPGAPDFLAHVRGSSCFE
CTHYQSFLEYREVVDGLEKAIYKGPGSEAGP
Number of residues271
Molecular Weight30036.77
Theoretical pI5.15
GO Classification
Functions
  • magnesium ion binding
  • catechol O-methyltransferase activity
  • O-methyltransferase activity
Processes
  • regulation of sensory perception of pain
  • synaptic transmission
  • neurotransmitter catabolic process
  • methylation
  • small molecule metabolic process
  • short-term memory
  • negative regulation of smooth muscle cell proliferation
  • response to organic cyclic compound
  • response to lipopolysaccharide
  • dopamine catabolic process
  • female pregnancy
  • neurotransmitter biosynthetic process
  • cellular response to phosphate starvation
  • xenobiotic metabolic process
  • developmental process
  • learning
  • multicellular organismal reproductive process
  • estrogen metabolic process
  • negative regulation of dopamine metabolic process
  • negative regulation of renal sodium excretion
  • response to drug
  • positive regulation of homocysteine metabolic process
  • response to pain
Components
  • axon
  • integral component of membrane
  • cytosol
  • extracellular exosome
  • cell body
  • mitochondrion
  • membrane
  • postsynaptic membrane
  • plasma membrane
  • dendritic spine
General FunctionO-methyltransferase activity
Specific FunctionCatalyzes 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.
Pfam Domain Function
Transmembrane Regions7-26
GenBank Protein ID180920
UniProtKB IDP21964
UniProtKB Entry NameCOMT_HUMAN
Cellular LocationCytoplasm
Gene sequence
>lcl|BSEQ0011516|Catechol O-methyltransferase (COMT)
ATGCCGGAGGCCCCGCCTCTGCTGTTGGCAGCTGTGTTGCTGGGCCTGGTGCTGCTGGTG
GTGCTGCTGCTGCTTCTGAGGCACTGGGGCTGGGGCCTGTGCCTTATCGGCTGGAACGAG
TTCATCCTGCAGCCCATCCACAACCTGCTCATGGGTGACACCAAGGAGCAGCGCATCCTG
AACCACGTGCTGCAGCATGCGGAGCCCGGGAACGCACAGAGCGTGCTGGAGGCCATTGAC
ACCTACTGCGAGCAGAAGGAGTGGGCCATGAACGTGGGCGACAAGAAAGGCAAGATCGTG
GACGCCGTGATTCAGGAGCACCAGCCCTCCGTGCTGCTGGAGCTGGGGGCCTACTGTGGC
TACTCAGCTGTGCGCATGGCCCGCCTGCTGTCACCAGGGGCGAGGCTCATCACCATCGAG
ATCAACCCCGACTGTGCCGCCATCACCCAGCGGATGGTGGATTTCGCTGGCGTGAAGGAC
AAGGTCACCCTTGTGGTTGGAGCGTCCCAGGACATCATCCCCCAGCTGAAGAAGAAGTAT
GATGTGGACACACTGGACATGGTCTTCCTCGACCACTGGAAGGACCGGTACCTGCCGGAC
ACGCTTCTCTTGGAGGAATGTGGCCTGCTGCGGAAGGGGACAGTGCTACTGGCTGACAAC
GTGATCTGCCCAGGTGCGCCAGACTTCCTAGCACACGTGCGCGGGAGCAGCTGCTTTGAG
TGCACACACTACCAATCGTTCCTGGAATACAGGGAGGTGGTGGACGGCCTGGAGAAGGCC
ATCTACAAGGGCCCAGGCAGCGAAGCAGGGCCCTGA
GenBank Gene IDM65212
GeneCard IDNot Available
GenAtlas IDCOMT
HGNC IDHGNC:2228
Chromosome Location22
Locus22q11.21-q11.23|22q11.21
References
  1. Lundstrom K, Salminen M, Jalanko A, Savolainen R, Ulmanen I: Cloning and characterization of human placental catechol-O-methyltransferase cDNA. DNA Cell Biol. 1991 Apr;10(3):181-9. 1707278
  2. Bertocci B, Miggiano V, Da Prada M, Dembic Z, Lahm HW, Malherbe P: Human catechol-O-methyltransferase: cloning and expression of the membrane-associated form. Proc Natl Acad Sci U S A. 1991 Feb 15;88(4):1416-20. 1847521
  3. Tenhunen J, Salminen M, Lundstrom K, Kiviluoto T, Savolainen R, Ulmanen I: Genomic organization of the human catechol O-methyltransferase gene and its expression from two distinct promoters. Eur J Biochem. 1994 Aug 1;223(3):1049-59. 8055944
  4. Ota T, Suzuki Y, Nishikawa T, Otsuki T, Sugiyama T, Irie R, Wakamatsu A, Hayashi K, Sato H, Nagai K, Kimura K, Makita H, Sekine M, Obayashi M, Nishi T, Shibahara T, Tanaka T, Ishii S, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. Epub 2003 Dec 21. 14702039
  5. Collins JE, Wright CL, Edwards CA, Davis MP, Grinham JA, Cole CG, Goward ME, Aguado B, Mallya M, Mokrab Y, Huckle EJ, Beare DM, Dunham I: A genome annotation-driven approach to cloning the human ORFeome. Genome Biol. 2004;5(10):R84. Epub 2004 Sep 30. 15461802
  6. Dunham I, Shimizu N, Roe BA, Chissoe S, Hunt AR, Collins JE, Bruskiewich R, Beare DM, Clamp M, Smink LJ, Ainscough R, Almeida JP, Babbage A, Bagguley C, Bailey J, Barlow K, Bates KN, Beasley O, Bird CP, Blakey S, Bridgeman AM, Buck D, Burgess J, Burrill WD, O'Brien KP, et al.: The DNA sequence of human chromosome 22. Nature. 1999 Dec 2;402(6761):489-95. 10591208
  7. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. 15489334
  8. Vilbois F, Caspers P, da Prada M, Lang G, Karrer C, Lahm HW, Cesura AM: Mass spectrometric analysis of human soluble catechol O-methyltransferase expressed in Escherichia coli. Identification of a product of ribosomal frameshifting and of reactive cysteines involved in S-adenosyl-L-methionine binding. Eur J Biochem. 1994 Jun 1;222(2):377-86. 8020475
  9. Tilgmann C, Kalkkinen N: Purification and partial sequence analysis of the soluble catechol-O-methyltransferase from human placenta: comparison to the rat liver enzyme. Biochem Biophys Res Commun. 1991 Jan 31;174(2):995-1002. 1993083
  10. Ulmanen I, Lundstrom K: Cell-free synthesis of rat and human catechol O-methyltransferase. Insertion of the membrane-bound form into microsomal membranes in vitro. Eur J Biochem. 1991 Dec 18;202(3):1013-20. 1765063
  11. Burkard TR, Planyavsky M, Kaupe I, Breitwieser FP, Burckstummer T, Bennett KL, Superti-Furga G, Colinge J: Initial characterization of the human central proteome. BMC Syst Biol. 2011 Jan 26;5:17. doi: 10.1186/1752-0509-5-17. 21269460
  12. Chen J, Song J, Yuan P, Tian Q, Ji Y, Ren-Patterson R, Liu G, Sei Y, Weinberger DR: Orientation and cellular distribution of membrane-bound catechol-O-methyltransferase in cortical neurons: implications for drug development. J Biol Chem. 2011 Oct 7;286(40):34752-60. doi: 10.1074/jbc.M111.262790. Epub 2011 Aug 16. 21846718
  13. Bian Y, Song C, Cheng K, Dong M, Wang F, Huang J, Sun D, Wang L, Ye M, Zou H: An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome. J Proteomics. 2014 Jan 16;96:253-62. doi: 10.1016/j.jprot.2013.11.014. Epub 2013 Nov 22. 24275569
  14. Vaca Jacome AS, Rabilloud T, Schaeffer-Reiss C, Rompais M, Ayoub D, Lane L, Bairoch A, Van Dorsselaer A, Carapito C: N-terminome analysis of the human mitochondrial proteome. Proteomics. 2015 Jul;15(14):2519-24. doi: 10.1002/pmic.201400617. Epub 2015 Jun 8. 25944712
  15. Rutherford K, Le Trong I, Stenkamp RE, Parson WW: Crystal structures of human 108V and 108M catechol O-methyltransferase. J Mol Biol. 2008 Jun 27;380(1):120-30. doi: 10.1016/j.jmb.2008.04.040. Epub 2008 Apr 23. 18486144
  16. Lachman HM, Papolos DF, Saito T, Yu YM, Szumlanski CL, Weinshilboum RM: Human catechol-O-methyltransferase pharmacogenetics: description of a functional polymorphism and its potential application to neuropsychiatric disorders. Pharmacogenetics. 1996 Jun;6(3):243-50. 8807664
  17. Tiihonen J, Hallikainen T, Lachman H, Saito T, Volavka J, Kauhanen J, Salonen JT, Ryynanen OP, Koulu M, Karvonen MK, Pohjalainen T, Syvalahti E, Hietala J: Association between the functional variant of the catechol-O-methyltransferase (COMT) gene and type 1 alcoholism. Mol Psychiatry. 1999 May;4(3):286-9. 10395222
  18. Cargill M, Altshuler D, Ireland J, Sklar P, Ardlie K, Patil N, Shaw N, Lane CR, Lim EP, Kalyanaraman N, Nemesh J, Ziaugra L, Friedland L, Rolfe A, Warrington J, Lipshutz R, Daley GQ, Lander ES: Characterization of single-nucleotide polymorphisms in coding regions of human genes. Nat Genet. 1999 Jul;22(3):231-8. 10391209
  19. Lee SG, Joo Y, Kim B, Chung S, Kim HL, Lee I, Choi B, Kim C, Song K: Association of Ala72Ser polymorphism with COMT enzyme activity and the risk of schizophrenia in Koreans. Hum Genet. 2005 Mar;116(4):319-28. Epub 2005 Jan 12. 15645182
  20. Rutherford K, Alphandery E, McMillan A, Daggett V, Parson WW: The V108M mutation decreases the structural stability of catechol O-methyltransferase. Biochim Biophys Acta. 2008 Jul-Aug;1784(7-8):1098-105. doi: 10.1016/j.bbapap.2008.04.006. Epub 2008 Apr 24. 18474266
  21. Annerbrink K, Westberg L, Nilsson S, Rosmond R, Holm G, Eriksson E: Catechol O-methyltransferase val158-met polymorphism is associated with abdominal obesity and blood pressure in men. Metabolism. 2008 May;57(5):708-11. doi: 10.1016/j.metabol.2008.01.012. 18442637