Biology:Monooxygenase DBH-like 1

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

DBH-like monooxygenase protein 1, also known as monooxygenase X, is an enzyme that in humans is encoded by the MOXD1 gene.[1][2]

DBH-like 1 maintains many of the structural features of dopamine beta-monooxygenase DBH.[3] Since Peptidylglycine alpha-hydroxylating monooxygenase (PHM; EC 1.14.17.3) is homologous to dopamine beta-monooxygenase (DBM; EC 1.14.17.1)[4] this concerns a structural basis for a new family of copper type II, significantly specific for ascorbate-dependent monooxygenases[4] based on the corresponding mouse homolog.[2] The pathway of catecholamine synthesis is a possible catecholamine-binding metabolic copper[5] enzyme domain, a neuron-like property encoding MOX without a signal sequence enzyme metabolism resolving the monooxygenase X chemical pathway[5] of an unknown substrate,[2] exogenous MOX is not secreted, and it localizes throughout the endoplasmic reticulum,[5] in both endocrine or nonendocrine cells.[5]

Deficiency

DBH deficiency has been treated effectively with L-threo-3,4-dihydroxyphenylserine (DOPS).[6]

See also

  • Dopamine-beta-hydroxylase-DBH,
  • Dopamine beta-monooxygenase-DBM,
  • Peptidylglycine alpha-hydroxylating monooxygenase-PHM
  • peptidyl-alpha-hydroxyglycine alpha-amidating lyase-PAL
  • Tyrosine 3-monooxygenase-TH.

References

  1. "Entrez Gene: monooxygenase, DBH-like 1". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=26002. 
  2. 2.0 2.1 2.2 "Identification and cloning of a sequence homologue of dopamine beta-hydroxylase". Gene 218 (1–2): 111–20. September 1998. doi:10.1016/S0378-1119(98)00344-8. PMID 9751809. https://pure.rug.nl/ws/files/14699260/1998GeneChambers.pdf. 
  3. "New insights into copper monooxygenases and peptide amidation: structure, mechanism and function.". Cell Mol Life Sci 57 (8–9): 1236–59. August 2000. doi:10.1007/PL00000763. ISSN 1420-682X. PMID 11028916. 
  4. 4.0 4.1 "Sequence similarity between dopamine beta-hydroxylase and peptide alpha-amidating enzyme: evidence for a conserved catalytic domain.". FEBS Lett. 255 (1): 116–20. September 1989. doi:10.1016/0014-5793(89)81072-5. PMID 2792366. 
  5. 5.0 5.1 5.2 5.3 "Monooxygenase X, a member of the copper-dependent monooxygenase family localized to the endoplasmic reticulum.". J. Biol. Chem. 279 (46): 48159–67. November 2004. doi:10.1074/jbc.M407486200. PMID 15337741. 
  6. "The broader view: catecholamine abnormalities.". Clin Auton Res Suppl. 1 (7): 144–9. May 2002. doi:10.1007/s102860200018. ISSN 0959-9851. PMID 12102462. 

Further reading