1BHG

HUMAN BETA-GLUCURONIDASE AT 2.6 A RESOLUTION


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.53 Å
  • R-Value Free: 0.310 
  • R-Value Work: 0.231 
  • R-Value Observed: 0.231 

wwPDB Validation 3D Report Full Report



Literature

Structure of human beta-glucuronidase reveals candidate lysosomal targeting and active-site motifs.

Jain, S.Drendel, W.B.Chen, Z.W.Mathews, F.S.Sly, W.S.Grubb, J.H.

(1996) Nat Struct Biol 3: 375-381

  • DOI: 10.1038/nsb0496-375
  • Primary Citation of Related Structures:  
    1BHG

  • PubMed Abstract: 
  • The X-ray structure of the homotetrameric lysosomal acid hydrolase, human beta-glucuronidase (332,000 Mr), has been determined at 2.6 A resolution. The tetramer has approximate dihedral symmetry and each promoter consists of three structural domains ...

    The X-ray structure of the homotetrameric lysosomal acid hydrolase, human beta-glucuronidase (332,000 Mr), has been determined at 2.6 A resolution. The tetramer has approximate dihedral symmetry and each promoter consists of three structural domains with topologies similar to a jelly roll barrel, an immunoglobulin constant domain and a TIM barrel respectively. Residues 179-204 form a beta-hairpin motif similar to the putative lysosomal targeting motif of cathepsin D, supporting the view that lysosomal targeting has a structural basis. The active site of the enzyme is formed from a large cleft at the interface of two monomers. Residues Glu 451 and Glu 540 are proposed to be important for catalysis. The structure establishes a framework for understanding mutations that lead to the human genetic disease mucopolysaccharidosis VII, and for using the enzyme in anti-cancer therapy.


    Related Citations: 
    • Crystallization and Preliminary Crystallographic Studies of Human Beta-Glucuronidase
      Drendel, W.B., Grubb, J.H., Sly, W.S., Chen, Z., Mathews, F.S., Jain, S.
      (1993) J Mol Biol 233: 173

    Organizational Affiliation

    Department of Biochemistry, St. Louis University School of Medicine, St. Louis, Missouri 63104, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
BETA-GLUCURONIDASEAB613Homo sapiensMutation(s): 0 
Gene Names: HUMAN PLACENTAL GUS GENE CDNAGUSB
EC: 3.2.1.31
Find proteins for P08236 (Homo sapiens)
Explore P08236 
Go to UniProtKB:  P08236
NIH Common Fund Data Resources
PHAROS  P08236
Protein Feature View
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  • Reference Sequence
Oligosaccharides

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Entity ID: 2
MoleculeChainsChain Length2D Diagram Glycosylation3D Interactions
alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
C, D
9 N-Glycosylation Oligosaccharides Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.53 Å
  • R-Value Free: 0.310 
  • R-Value Work: 0.231 
  • R-Value Observed: 0.231 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 95.1α = 90
b = 124.4β = 90
c = 134.5γ = 90
Software Package:
Software NamePurpose
X-PLORrefinement
XENGENdata reduction
HOWARDdata reduction
NIELSENdata reduction
XUONG)data reduction

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1997-09-17
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Derived calculations, Version format compliance
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Atomic model, Data collection, Derived calculations, Other, Structure summary