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2byb

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[[Image:2byb.gif|left|200px]]
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{{STRUCTURE_2byb| PDB=2byb | SCENE= }}
{{STRUCTURE_2byb| PDB=2byb | SCENE= }}
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'''HUMAN MONOAMINE OXIDASE B IN COMPLEX WITH DEPRENYL'''
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===HUMAN MONOAMINE OXIDASE B IN COMPLEX WITH DEPRENYL===
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==Overview==
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The three-dimensional structure of recombinant human monoamine oxidase A (hMAO A) as its clorgyline-inhibited adduct is described. Although the chain-fold of hMAO A is similar to that of rat MAO A and human MAO B (hMAO B), hMAO A is unique in that it crystallizes as a monomer and exhibits the solution hydrodynamic behavior of a monomeric form rather than the dimeric form of hMAO B and rat MAO A. hMAO A's active site consists of a single hydrophobic cavity of approximately 550 A3, which is smaller than that determined from the structure of deprenyl-inhibited hMAO B (approximately 700 A3) but larger than that of rat MAO A (approximately 450 A3). An important component of the active site structure of hMAO A is the loop conformation of residues 210-216, which differs from that of hMAO B and rat MAO A. The origin of this structural alteration is suggested to result from long-range interactions in the monomeric form of the enzyme. In addition to serving as a basis for the development of hMAO A specific inhibitors, these data support the proposal that hMAO A involves a change from the dimeric to the monomeric form through a Glu-151 --&gt; Lys mutation that is specific of hMAO A [Andres, A. M., Soldevila, M., Navarro, A., Kidd, K. K., Oliva, B. &amp; Bertranpetit, J. (2004) Hum. Genet. 115, 377-386]. These considerations put into question the use of MAO A from nonhuman sources in drug development for use in humans.
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(as it appears on PubMed at http://www.pubmed.gov), where 16129825 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16129825}}
==About this Structure==
==About this Structure==
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[[Category: Oxidoreductase]]
[[Category: Oxidoreductase]]
[[Category: Transmembrane neurotransmitter]]
[[Category: Transmembrane neurotransmitter]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 21:20:02 2008''

Revision as of 18:20, 28 July 2008

Image:2byb.png

Template:STRUCTURE 2byb

HUMAN MONOAMINE OXIDASE B IN COMPLEX WITH DEPRENYL

Template:ABSTRACT PUBMED 16129825

About this Structure

2BYB is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Three-dimensional structure of human monoamine oxidase A (MAO A): relation to the structures of rat MAO A and human MAO B., De Colibus L, Li M, Binda C, Lustig A, Edmondson DE, Mattevi A, Proc Natl Acad Sci U S A. 2005 Sep 6;102(36):12684-9. Epub 2005 Aug 29. PMID:16129825

Page seeded by OCA on Mon Jul 28 21:20:02 2008

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