Biological Assembly 1  

 3D View: Structure | 1D-3D View | Electron Density | Validation Report | Ligand Interaction | Predict Membrane 

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 119.58 kDa 
• Atom Count: 8020 
• Modelled Residue Count: 990 
• Deposited Residue Count: 1040 
• Unique protein chains: 1

1GOS

Human Monoamine Oxidase B

• PDB DOI: 10.2210/pdb1GOS/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Expression System: Komagataella pastoris
• Mutation(s): No 
• Membrane Protein: Yes  mpstruc


• Deposited: 2001-10-26 Released: 2001-11-29 
• Deposition Author(s): Binda, C., Newton-Vinson, P., Hubalek, F., Edmondson, D.E., Mattevi, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.271 
• R-Value Work: 0.229 
• R-Value Observed: 0.230 

Literature

Structure of Human Monoamine Oxidase B, a Drug Target for the Treatment of Neurological Disorders

Binda, C., Newton-Vinson, P., Hubalek, F., Edmondson, D.E., Mattevi, A.

(2001) Nat Struct Biol 9: 22

• PubMed: 11753429 
• DOI: 10.1038/nsb732
• Primary Citation of Related Structures:  
  1GOS


• PubMed Abstract: 
  

Monoamine oxidase B (MAO B) is a mitochondrial outermembrane flavoenzyme that is a well-known target for antidepressant and neuroprotective drugs. We determined the structure of the human enzyme to 3 A resolution. The enzyme binds to the membrane through a C-terminal transmembrane helix and apolar loops located at various positions in the sequence. The electron density shows that pargyline, an analog of the clinically used MAO B inhibitor, deprenyl, binds covalently to the flavin N5 atom. The active site of MAO B consists of a 420 A(3)-hydrophobic substrate cavity interconnected to an entrance cavity of 290 A(3). The recognition site for the substrate amino group is an aromatic cage formed by Tyr 398 and Tyr 435. The structure provides a framework for probing the catalytic mechanism, understanding the differences between the B- and A-monoamine oxidase isoforms and designing specific inhibitors.

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Organizational Affiliation: 

Department of Genetics and Microbiology, University of Pavia, Pavia, Italy.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MONOAMINE OXIDASE	A, B	520	Homo sapiens	Mutation(s): 0  Gene Names: MAOB EC: 1.4.3.4 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P27338 (Homo sapiens) Explore P27338  Go to UniProtKB:  P27338
PHAROS:  P27338 GTEx:  ENSG00000069535

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD	C [auth A], E [auth B]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N
NYP	D [auth A], F [auth B]	N-[(E)-METHYL](PHENYL)-N-[(E)-2-PROPENYLIDENE]METHANAMINIUM C11 H18 N JBWDRSYKLIXPFB-LWMMSDEHSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.271 
• R-Value Work: 0.229 
• R-Value Observed: 0.230 
• Space Group: C 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 138.8	α = 90
b = 224.3	β = 90
c = 87.2	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2001-10-26 
• Released Date: 2001-11-29 
Deposition Author(s): Binda, C., Newton-Vinson, P., Hubalek, F., Edmondson, D.E., Mattevi, A.

Revision History  

• Version 1.0: 2001-11-29
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance