1AYY

GLYCOSYLASPARAGINASE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.32 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.188 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Crystal structure of glycosylasparaginase from Flavobacterium meningosepticum.

Xuan, J.Tarentino, A.L.Grimwood, B.G.Plummer Jr., T.H.Cui, T.Guan, C.Van Roey, P.

(1998) Protein Sci. 7: 774-781

  • DOI: 10.1002/pro.5560070327
  • Also Cited By: 1SEO, 2ZAL

  • PubMed Abstract: 
  • The crystal structure of recombinant glycosylasparaginase from Flavobacterium meningosepticum has been determined at 2.32 angstroms resolution. This enzyme is a glycoamidase that cleaves the link between the asparagine and the N-acetylglucosamine of ...

    The crystal structure of recombinant glycosylasparaginase from Flavobacterium meningosepticum has been determined at 2.32 angstroms resolution. This enzyme is a glycoamidase that cleaves the link between the asparagine and the N-acetylglucosamine of N-linked oligosaccharides and plays a major role in the degradation of glycoproteins. The three-dimensional structure of the bacterial enzyme is very similar to that of the human enzyme, although it lacks the four disulfide bridges found in the human enzyme. The main difference is the absence of a small random coil domain at the end of the alpha-chain that forms part of the substrate binding cleft and that has a role in the stabilization of the tetramer of the human enzyme. The bacterial glycosylasparaginase is observed as an (alphabeta)2-tetramer in the crystal, despite being a dimer in solution. The study of the structure of the bacterial enzyme allows further evaluation of the effects of disease-causing mutations in the human enzyme and confirms the suitability of the bacterial enzyme as a model for functional analysis.


    Organizational Affiliation

    Division of Molecular Medicine, Wadsworth Center, New York State Department of Health, Albany 12201, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
GLYCOSYLASPARAGINASE
A, C
151Elizabethkingia miricolaEC: 3.5.1.26
Find proteins for Q47898 (Elizabethkingia miricola)
Go to UniProtKB:  Q47898
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
GLYCOSYLASPARAGINASE
B, D
144Elizabethkingia miricolaEC: 3.5.1.26
Find proteins for Q47898 (Elizabethkingia miricola)
Go to UniProtKB:  Q47898
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.32 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.188 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 46.200α = 90.00
b = 115.600β = 107.20
c = 52.400γ = 90.00
Software Package:
Software NamePurpose
PHASESphasing
BIOTEXdata reduction
X-PLORrefinement
AMoREphasing
BIOTEXdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 1997-11-12 
  • Released Date: 1998-04-29 
  • Deposition Author(s): Van Roey, P., Xuan, J.

Revision History 

  • Version 1.0: 1998-04-29
    Type: Initial release
  • Version 1.1: 2008-03-24
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance