1SPD

AMYOTROPHIC LATERAL SCLEROSIS AND STRUCTURAL DEFECTS IN CU,ZN SUPEROXIDE DISMUTASE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Work: 0.224 

wwPDB Validation 3D Report Full Report


This is version 1.4 of the entry. See complete history

Literature

Amyotrophic lateral sclerosis and structural defects in Cu,Zn superoxide dismutase.

Deng, H.X.Hentati, A.Tainer, J.A.Iqbal, Z.Cayabyab, A.Hung, W.Y.Getzoff, E.D.Hu, P.Herzfeldt, B.Roos, R.P.Warner, C.Deng, G.Soriano, E.Smyth, C.Parge, H.E.Ahmed, A.Roses, A.D.Hallewell, R.A.Pericak-Vance, M.A.Siddique, T.

(1993) Science 261: 1047-1051


  • PubMed Abstract: 
  • Single-site mutants in the Cu,Zn superoxide dismutase (SOD) gene (SOD1) occur in patients with the fatal neurodegenerative disorder familial amyotrophic lateral sclerosis (FALS). Complete screening of the SOD1 coding region revealed that the mutation ...

    Single-site mutants in the Cu,Zn superoxide dismutase (SOD) gene (SOD1) occur in patients with the fatal neurodegenerative disorder familial amyotrophic lateral sclerosis (FALS). Complete screening of the SOD1 coding region revealed that the mutation Ala4 to Val in exon 1 was the most frequent one; mutations were identified in exons 2, 4, and 5 but not in the active site region formed by exon 3. The 2.4 A crystal structure of human SOD, along with two other SOD structures, established that all 12 observed FALS mutant sites alter conserved interactions critical to the beta-barrel fold and dimer contact, rather than catalysis. Red cells from heterozygotes had less than 50 percent normal SOD activity, consistent with a structurally defective SOD dimer. Thus, defective SOD is linked to motor neuron death and carries implications for understanding and possible treatment of FALS.


    Organizational Affiliation

    Department of Neurology, Northwestern University Medical School, Chicago, IL 60611.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
SUPEROXIDE DISMUTASE
A, B
154Homo sapiensMutation(s): 0 
Gene Names: SOD1
EC: 1.15.1.1
Find proteins for P00441 (Homo sapiens)
Go to Gene View: SOD1
Go to UniProtKB:  P00441
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

Download SDF File 
Download CCD File 
A, B
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
CU
Query on CU

Download SDF File 
Download CCD File 
A, B
COPPER (II) ION
Cu
JPVYNHNXODAKFH-UHFFFAOYSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
ACE
Query on ACE
A, B
NON-POLYMERC2 H4 O

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Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Work: 0.224 
  • Space Group: P 63
Unit Cell:
Length (Å)Angle (°)
a = 113.570α = 90.00
b = 113.570β = 90.00
c = 71.550γ = 120.00
Software Package:
Software NamePurpose
X-PLORmodel building
PROLSQrefinement
X-PLORrefinement
X-PLORphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1994-04-30
    Type: Initial release
  • Version 1.1: 2008-03-03
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance
  • Version 1.3: 2012-02-29
    Type: Database references
  • Version 1.4: 2017-11-29
    Type: Derived calculations, Other