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The methylation of lysine via LSD1 occurs through a 2 electron process. In the first step the Flavin Adenine Dinucleotide cofactor initiates a hydride transfer from the one of the two methyl groups bound to the nitrogen at the lysine tail, via a N5 on the flavin group. An imine cation is then formed at the end of the lysine tail to compensate for the loss of hydride. In the next step the imine is hydrolyzed and transitions to an Hemiaminal. This then breaks down easily to formaldehyde and the product lysine.
The methylation of lysine via LSD1 occurs through a 2 electron process. In the first step the Flavin Adenine Dinucleotide cofactor initiates a hydride transfer from the one of the two methyl groups bound to the nitrogen at the lysine tail, via a N5 on the flavin group. An imine cation is then formed at the end of the lysine tail to compensate for the loss of hydride. In the next step the imine is hydrolyzed and transitions to an Hemiaminal. This then breaks down easily to formaldehyde and the product lysine.
[[Image:LSD.png|400px|right|thumb|Figure 1 my protein]]
[[Image:LSD.png|400px|right|thumb|Figure 1 my protein]]
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[[Image:LSD1 Mech.jpg|400px|right|thumb|Mechanism
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[[Image:LSD1 Mech.jpg|400px|right|thumb|Mechanism]]
== Disease ==
== Disease ==

Revision as of 18:20, 5 April 2019

LSD Demethylase

Caption for this structure

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References

[3] [4]

  1. Hanson, R. M., Prilusky, J., Renjian, Z., Nakane, T. and Sussman, J. L. (2013), JSmol and the Next-Generation Web-Based Representation of 3D Molecular Structure as Applied to Proteopedia. Isr. J. Chem., 53:207-216. doi:http://dx.doi.org/10.1002/ijch.201300024
  2. Herraez A. Biomolecules in the computer: Jmol to the rescue. Biochem Mol Biol Educ. 2006 Jul;34(4):255-61. doi: 10.1002/bmb.2006.494034042644. PMID:21638687 doi:10.1002/bmb.2006.494034042644
  3. Ransey E, Paredes E, Dey SK, Das SR, Heroux A, Macbeth MR. Crystal structure of the Entamoeba histolytica RNA lariat debranching enzyme EhDbr1 reveals a catalytic Zn(2+) /Mn(2+) heterobinucleation. FEBS Lett. 2017 Jul;591(13):2003-2010. doi: 10.1002/1873-3468.12677. Epub 2017, Jun 14. PMID:28504306 doi:http://dx.doi.org/10.1002/1873-3468.12677
  4. Khalid MF, Damha MJ, Shuman S, Schwer B. Structure-function analysis of yeast RNA debranching enzyme (Dbr1), a manganese-dependent phosphodiesterase. Nucleic Acids Res. 2005 Nov 7;33(19):6349-60. doi: 10.1093/nar/gki934. Print, 2005. PMID:16275784 doi:http://dx.doi.org/10.1093/nar/gki934

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