1NUH

The crystal structure of human phosphoglucose isomerase complexed with 5-phosphoarabinonate


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.51 Å
  • R-Value Free: 0.268 
  • R-Value Work: 0.214 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

The structure of human phosphoglucose isomerase complexed with a transition-state analogue.

Davies, C.Muirhead, H.Chirgwin, J.

(2003) Acta Crystallogr.,Sect.D 59: 1111-1113


  • PubMed Abstract: 
  • Phosphoglucose isomerase (PGI) is a workhorse enzyme of carbohydrate metabolism that interconverts glucose 6-phosphate and fructose 6-phosphate. Outside the cell, however, the protein appears to function as a cytokine. A crystal structure of human PG ...

    Phosphoglucose isomerase (PGI) is a workhorse enzyme of carbohydrate metabolism that interconverts glucose 6-phosphate and fructose 6-phosphate. Outside the cell, however, the protein appears to function as a cytokine. A crystal structure of human PGI bound with 5-phosphoarabinonate, a strong inhibitor that mimics the cis-enediol(ate) intermediate of the reaction, has been determined at 2.5 A resolution. The structure helps to confirm the assignment of Glu357 as the base catalyst in the isomerase reaction.


    Related Citations: 
    • The Crystal Structure of Human Phosphoglucose Isomerase at 1.6 A Resolution: Implications for Catalytic Mechanism, Cytokine Activity and Haemolytic Anaemia
      Read, J.,Pearce, J.,Li, X.,Muirhead, H.,Chirgwin, J.,Davies, C.
      (2001) J.Mol.Biol. 309: 447


    Organizational Affiliation

    Department of Biochemistry and Molecular Biology, Medical University of South Carolina, Charleston, SC 29425, USA. davies@musc.edu




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
glucose phosphate isomerase
A
558Homo sapiensMutation(s): 0 
Gene Names: GPI
EC: 5.3.1.9
Find proteins for P06744 (Homo sapiens)
Go to Gene View: GPI
Go to UniProtKB:  P06744
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download SDF File 
Download CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
PA5
Query on PA5

Download SDF File 
Download CCD File 
A
5-PHOSPHOARABINONIC ACID
C5 H11 O9 P
HNECGPFIYSOYHF-JJYYJPOSSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.51 Å
  • R-Value Free: 0.268 
  • R-Value Work: 0.214 
  • Space Group: P 43 21 2
Unit Cell:
Length (Å)Angle (°)
a = 94.400α = 90.00
b = 94.400β = 90.00
c = 137.100γ = 90.00
Software Package:
Software NamePurpose
REFMACrefinement
CrystalCleardata reduction
CrystalCleardata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2003-01-31 
  • Released Date: 2003-02-11 
  • Deposition Author(s): Davies, C.

Revision History 

  • Version 1.0: 2003-02-11
    Type: Initial release
  • Version 1.1: 2008-04-29
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Derived calculations, Version format compliance
  • Version 1.3: 2018-01-24
    Type: Database references