NameAmine oxidase [flavin-containing] B
Synonyms
  • 1.4.3.4
  • MAO-B
  • Monoamine oxidase type B
Gene NameMAOB
OrganismHuman
Amino acid sequence
>lcl|BSEQ0004309|Amine oxidase [flavin-containing] B
MSNKCDVVVVGGGISGMAAAKLLHDSGLNVVVLEARDRVGGRTYTLRNQKVKYVDLGGSY
VGPTQNRILRLAKELGLETYKVNEVERLIHHVKGKSYPFRGPFPPVWNPITYLDHNNFWR
TMDDMGREIPSDAPWKAPLAEEWDNMTMKELLDKLCWTESAKQLATLFVNLCVTAETHEV
SALWFLWYVKQCGGTTRIISTTNGGQERKFVGGSGQVSERIMDLLGDRVKLERPVIYIDQ
TRENVLVETLNHEMYEAKYVISAIPPTLGMKIHFNPPLPMMRNQMITRVPLGSVIKCIVY
YKEPFWRKKDYCGTMIIDGEEAPVAYTLDDTKPEGNYAAIMGFILAHKARKLARLTKEER
LKKLCELYAKVLGSLEALEPVHYEEKNWCEEQYSGGCYTTYFPPGILTQYGRVLRQPVDR
IYFAGTETATHWSGYMEGAVEAGERAAREILHAMGKIPEDEIWQSEPESVDVPAQPITTT
FLERHLPSVPGLLRLIGLTTIFSATALGFLAHKRGLLVRV
Number of residues520
Molecular Weight58762.475
Theoretical pI7.55
GO Classification
Functions
  • primary amine oxidase activity
  • electron carrier activity
  • flavin adenine dinucleotide binding
Processes
  • substantia nigra development
  • response to drug
  • dopamine catabolic process
  • hydrogen peroxide biosynthetic process
  • negative regulation of serotonin secretion
  • small molecule metabolic process
  • positive regulation of dopamine metabolic process
  • response to lipopolysaccharide
  • response to toxic substance
  • xenobiotic metabolic process
  • response to corticosterone
  • response to ethanol
  • response to selenium ion
  • response to aluminum ion
Components
  • mitochondrial envelope
  • mitochondrial outer membrane
  • integral component of membrane
  • extracellular exosome
  • mitochondrion
  • mitochondrial inner membrane
General FunctionPrimary amine oxidase activity
Specific FunctionCatalyzes 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. MAOB preferentially degrades benzylamine and phenylethylamine.
Pfam Domain Function
Transmembrane Regions490-516
GenBank Protein ID398415
UniProtKB IDP27338
UniProtKB Entry NameAOFB_HUMAN
Cellular LocationMitochondrion outer membrane
Gene sequence
>lcl|BSEQ0016709|Amine oxidase [flavin-containing] B (MAOB)
ATGAGCAACAAATGCGACGTGGTCGTGGTGGGGGGCGGCATCTCAGGTATGGCAGCAGCC
AAACTTCTGCATGACTCTGGACTGAATGTGGTTGTTCTGGAAGCCCGGGACCGTGTGGGA
GGCAGGACTTACACTCTTAGGAACCAAAAGGTTAAATATGTGGACCTTGGAGGATCCTAT
GTTGGACCAACCCAGAATCGTATCTTGAGATTAGCCAAGGAGCTAGGATTGGAGACCTAC
AAAGTGAATGAGGTTGAGCGTCTGATCCACCATGTAAAGGGCAAATCATACCCCTTCAGG
GGGCCATTCCCACCTGTATGGAATCCAATTACCTACTTAGATCATAACAACTTTTGGAGG
ACAATGGATGACATGGGGCGAGAGATTCCGAGTGATGCCCCATGGAAGGCTCCCCTTGCA
GAAGAGTGGGACAACATGACAATGAAGGAGCTACTGGACAAGCTCTGCTGGACTGAATCT
GCAAAGCAGCTTGCCACTCTCTTTGTGAACCTGTGTGTCACTGCAGAGACCCATGAGGTC
TCTGCTCTCTGGTTCCTGTGGTATGTGAAGCAGTGTGGAGGCACAACAAGAATCATCTCG
ACAACAAATGGAGGACAGGAGAGGAAATTTGTGGGCGGATCTGGTCAAGTGAGTGAGCGG
ATAATGGACCTCCTTGGAGACCGAGTGAAGCTGGAGAGGCCTGTGATCTACATTGACCAG
ACAAGAGAAAATGTCCTTGTGGAGACCCTAAACCATGAGATGTATGAGGCTAAATATGTG
ATTAGTGCTATTCCTCCTACTCTGGGCATGAAGATTCACTTCAATCCCCCTCTGCCAATG
ATGAGAAACCAGATGATCACTCGTGTGCCTTTGGGTTCAGTCATCAAGTGTATAGTTTAT
TATAAAGAGCCTTTCTGGAGGAAAAAGGATTACTGTGGAACCATGATTATTGATGGAGAA
GAAGCTCCAGTTGCCTACACGTTGGATGATACCAAACCTGAAGGCAACTATGCTGCCATA
ATGGGATTTATCCTGGCCCACAAAGCCAGAAAACTGGCACGTCTTACCAAAGAGGAAAGG
TTGAAGAAACTTTGTGAACTCTATGCCAAGGTTCTGGGTTCCCTAGAAGCTCTGGAGCCA
GTGCATTATGAAGAAAAGAACTGGTGTGAGGAGCAGTACTCTGGGGGCTGCTACACAACT
TATTTCCCCCCTGGGATCCTGACTCAATATGGAAGGGTTCTACGCCAGCCAGTGGACAGG
ATTTACTTTGCAGGCACCGAGACTGCCACACACTGGAGCGGCTACATGGAGGGGGCTGTA
GAGGCCGGGGAGAGAGCAGCCCGAGAGATCCTGCATGCCATGGGGAAGATTCCAGAGGAT
GAAATCTGGCAGTCAGAACCAGAGTCTGTGGATGTCCCTGCACAGCCCATCACCACCACC
TTTTTGGAGAGACATTTGCCCTCCGTGCCAGGCCTGCTCAGGCTGATTGGATTGACCACC
ATCTTTTCAGCAACGGCTCTTGGCTTCCTGGCCCACAAAAGGGGGCTACTTGTGAGAGTC
TAA
GenBank Gene IDS62734
GeneCard IDNot Available
GenAtlas IDMAOB
HGNC IDHGNC:6834
Chromosome LocationX
LocusXp11.23
References
  1. Grimsby J, Chen K, Wang LJ, Lan NC, Shih JC: Human monoamine oxidase A and B genes exhibit identical exon-intron organization. Proc Natl Acad Sci U S A. 1991 May 1;88(9):3637-41. 2023912
  2. Bach AW, Lan NC, Johnson DL, Abell CW, Bembenek ME, Kwan SW, Seeburg PH, Shih JC: cDNA cloning of human liver monoamine oxidase A and B: molecular basis of differences in enzymatic properties. Proc Natl Acad Sci U S A. 1988 Jul;85(13):4934-8. 3387449
  3. Chen K, Wu HF, Shih JC: The deduced amino acid sequences of human platelet and frontal cortex monoamine oxidase B are identical. J Neurochem. 1993 Jul;61(1):187-90. 8515265
  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. Ross MT, Grafham DV, Coffey AJ, Scherer S, McLay K, Muzny D, Platzer M, Howell GR, Burrows C, Bird CP, Frankish A, Lovell FL, Howe KL, Ashurst JL, Fulton RS, Sudbrak R, Wen G, Jones MC, Hurles ME, Andrews TD, Scott CE, Searle S, Ramser J, Whittaker A, Deadman R, Carter NP, Hunt SE, Chen R, Cree A, Gunaratne P, Havlak P, Hodgson A, Metzker ML, Richards S, Scott G, Steffen D, Sodergren E, Wheeler DA, Worley KC, Ainscough R, Ambrose KD, Ansari-Lari MA, Aradhya S, Ashwell RI, Babbage AK, Bagguley CL, Ballabio A, Banerjee R, Barker GE, Barlow KF, Barrett IP, Bates KN, Beare DM, Beasley H, Beasley O, Beck A, Bethel G, Blechschmidt K, Brady N, Bray-Allen S, Bridgeman AM, Brown AJ, Brown MJ, Bonnin D, Bruford EA, Buhay C, Burch P, Burford D, Burgess J, Burrill W, Burton J, Bye JM, Carder C, Carrel L, Chako J, Chapman JC, Chavez D, Chen E, Chen G, Chen Y, Chen Z, Chinault C, Ciccodicola A, Clark SY, Clarke G, Clee CM, Clegg S, Clerc-Blankenburg K, Clifford K, Cobley V, Cole CG, Conquer JS, Corby N, Connor RE, David R, Davies J, Davis C, Davis J, Delgado O, Deshazo D, Dhami P, Ding Y, Dinh H, Dodsworth S, Draper H, Dugan-Rocha S, Dunham A, Dunn M, Durbin KJ, Dutta I, Eades T, Ellwood M, Emery-Cohen A, Errington H, Evans KL, Faulkner L, Francis F, Frankland J, Fraser AE, Galgoczy P, Gilbert J, Gill R, Glockner G, Gregory SG, Gribble S, Griffiths C, Grocock R, Gu Y, Gwilliam R, Hamilton C, Hart EA, Hawes A, Heath PD, Heitmann K, Hennig S, Hernandez J, Hinzmann B, Ho S, Hoffs M, Howden PJ, Huckle EJ, Hume J, Hunt PJ, Hunt AR, Isherwood J, Jacob L, Johnson D, Jones S, de Jong PJ, Joseph SS, Keenan S, Kelly S, Kershaw JK, Khan Z, Kioschis P, Klages S, Knights AJ, Kosiura A, Kovar-Smith C, Laird GK, Langford C, Lawlor S, Leversha M, Lewis L, Liu W, Lloyd C, Lloyd DM, Loulseged H, Loveland JE, Lovell JD, Lozado R, Lu J, Lyne R, Ma J, Maheshwari M, Matthews LH, McDowall J, McLaren S, McMurray A, Meidl P, Meitinger T, Milne S, Miner G, Mistry SL, Morgan M, Morris S, Muller I, Mullikin JC, Nguyen N, Nordsiek G, Nyakatura G, O'Dell CN, Okwuonu G, Palmer S, Pandian R, Parker D, Parrish J, Pasternak S, Patel D, Pearce AV, Pearson DM, Pelan SE, Perez L, Porter KM, Ramsey Y, Reichwald K, Rhodes S, Ridler KA, Schlessinger D, Schueler MG, Sehra HK, Shaw-Smith C, Shen H, Sheridan EM, Shownkeen R, Skuce CD, Smith ML, Sotheran EC, Steingruber HE, Steward CA, Storey R, Swann RM, Swarbreck D, Tabor PE, Taudien S, Taylor T, Teague B, Thomas K, Thorpe A, Timms K, Tracey A, Trevanion S, Tromans AC, d'Urso M, Verduzco D, Villasana D, Waldron L, Wall M, Wang Q, Warren J, Warry GL, Wei X, West A, Whitehead SL, Whiteley MN, Wilkinson JE, Willey DL, Williams G, Williams L, Williamson A, Williamson H, Wilming L, Woodmansey RL, Wray PW, Yen J, Zhang J, Zhou J, Zoghbi H, Zorilla S, Buck D, Reinhardt R, Poustka A, Rosenthal A, Lehrach H, Meindl A, Minx PJ, Hillier LW, Willard HF, Wilson RK, Waterston RH, Rice CM, Vaudin M, Coulson A, Nelson DL, Weinstock G, Sulston JE, Durbin R, Hubbard T, Gibbs RA, Beck S, Rogers J, Bentley DR: The DNA sequence of the human X chromosome. Nature. 2005 Mar 17;434(7031):325-37. 15772651
  6. Zhu QS, Grimsby J, Chen K, Shih JC: Promoter organization and activity of human monoamine oxidase (MAO) A and B genes. J Neurosci. 1992 Nov;12(11):4437-46. 1432104
  7. Newton-Vinson P, Hubalek F, Edmondson DE: High-level expression of human liver monoamine oxidase B in Pichia pastoris. Protein Expr Purif. 2000 Nov;20(2):334-45. 11049757
  8. Cesura AM, Gottowik J, Lahm HW, Lang G, Imhof R, Malherbe P, Rothlisberger U, Da Prada M: Investigation on the structure of the active site of monoamine oxidase-B by affinity labeling with the selective inhibitor lazabemide and by site-directed mutagenesis. Eur J Biochem. 1996 Mar 15;236(3):996-1002. 8665924
  9. Wu HF, Chen K, Shih JC: Site-directed mutagenesis of monoamine oxidase A and B: role of cysteines. Mol Pharmacol. 1993 Jun;43(6):888-93. 8316221
  10. 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
  11. Binda C, Newton-Vinson P, Hubalek F, Edmondson DE, Mattevi A: Structure of human monoamine oxidase B, a drug target for the treatment of neurological disorders. Nat Struct Biol. 2002 Jan;9(1):22-6. 11753429
  12. Binda C, Li M, Hubalek F, Restelli N, Edmondson DE, Mattevi A: Insights into the mode of inhibition of human mitochondrial monoamine oxidase B from high-resolution crystal structures. Proc Natl Acad Sci U S A. 2003 Aug 19;100(17):9750-5. Epub 2003 Aug 11. 12913124
  13. Binda C, Hubalek F, Li M, Herzig Y, Sterling J, Edmondson DE, Mattevi A: Crystal structures of monoamine oxidase B in complex with four inhibitors of the N-propargylaminoindan class. J Med Chem. 2004 Mar 25;47(7):1767-74. 15027868
  14. Hubalek F, Binda C, Khalil A, Li M, Mattevi A, Castagnoli N, Edmondson DE: Demonstration of isoleucine 199 as a structural determinant for the selective inhibition of human monoamine oxidase B by specific reversible inhibitors. J Biol Chem. 2005 Apr 22;280(16):15761-6. Epub 2005 Feb 14. 15710600
  15. Binda C, Hubalek F, Li M, Herzig Y, Sterling J, Edmondson DE, Mattevi A: Binding of rasagiline-related inhibitors to human monoamine oxidases: a kinetic and crystallographic analysis. J Med Chem. 2005 Dec 29;48(26):8148-54. 16366596