6RKF

Structure of human DASPO


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.22 Å
  • R-Value Free: 0.271 
  • R-Value Work: 0.231 
  • R-Value Observed: 0.233 

wwPDB Validation   3D Report Full Report


This is version 1.0 of the entry. See complete history


Literature

Structure and kinetic properties of human d-aspartate oxidase, the enzyme-controlling d-aspartate levels in brain.

Molla, G.Chaves-Sanjuan, A.Savinelli, A.Nardini, M.Pollegioni, L.

(2020) FASEB J 34: 1182-1197

  • DOI: 10.1096/fj.201901703R
  • Primary Citation of Related Structures:  
    6RKF

  • PubMed Abstract: 
  • d-Amino acids are the "wrong" enantiomers of amino acids as they are not used in proteins synthesis but evolved in selected functions. On this side, d-aspartate (d-Asp) plays several significant roles in mammals, especially as an agonist of N-methyl-d-aspartate receptors (NMDAR), and is involved in relevant diseases, such as schizophrenia and Alzheimer's disease ...

    d-Amino acids are the "wrong" enantiomers of amino acids as they are not used in proteins synthesis but evolved in selected functions. On this side, d-aspartate (d-Asp) plays several significant roles in mammals, especially as an agonist of N-methyl-d-aspartate receptors (NMDAR), and is involved in relevant diseases, such as schizophrenia and Alzheimer's disease. In vivo modulation of d-Asp levels represents an intriguing task to cope with such pathological states. As little is known about d-Asp synthesis, the only option for modulating the levels is via degradation, which is due to the flavoenzyme d-aspartate oxidase (DASPO). Here we present the first three-dimensional structure of a DASPO enzyme (from human) which belongs to the d-amino acid oxidase family. Notably, human DASPO differs from human d-amino acid oxidase (attributed to d-serine degradation, the main coagonist of NMDAR) showing peculiar structural features (a specific active site charge distribution), oligomeric state and kinetic mechanism, and a higher FAD affinity and activity. These results provide useful insights into the structure-function relationships of human DASPO: modulating its activity represents now a feasible novel therapeutic target.


    Organizational Affiliation

    Dipartimento di Biotecnologie e Scienze della Vita, Università degli studi dell'Insubria, Varese, Italy.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
D-aspartate oxidase ABCDEF350Homo sapiensMutation(s): 2 
Gene Names: DDO
EC: 1.4.3.1
Find proteins for Q99489 (Homo sapiens)
Explore Q99489 
Go to UniProtKB:  Q99489
NIH Common Fund Data Resources
PHAROS:  Q99489
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
FAD
Query on FAD

Download Ideal Coordinates CCD File 
A, B, C, D, E, F
FLAVIN-ADENINE DINUCLEOTIDE
C27 H33 N9 O15 P2
VWWQXMAJTJZDQX-UYBVJOGSSA-N
 Ligand Interaction
TRS
Query on TRS

Download Ideal Coordinates CCD File 
A, C, F
2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
C4 H12 N O3
LENZDBCJOHFCAS-UHFFFAOYSA-O
 Ligand Interaction
PO4
Query on PO4

Download Ideal Coordinates CCD File 
A, F
PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
 Ligand Interaction
GOL
Query on GOL

Download Ideal Coordinates CCD File 
A, B, C, D, E, F
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.22 Å
  • R-Value Free: 0.271 
  • R-Value Work: 0.231 
  • R-Value Observed: 0.233 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 114.397α = 90
b = 159.715β = 90
c = 288.575γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
XDSdata reduction
STARANISOdata scaling
PHASERphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2020-03-11
    Type: Initial release