1LUR

Crystal Structure of the GalM/aldose Epimerase Homologue from C. elegans, Northeast Structural Genomics Target WR66

• PDB DOI: https://doi.org/10.2210/pdb1LUR/pdb

• Classification: ISOMERASE
• Organism(s): Caenorhabditis elegans
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2002-05-23 Released: 2003-07-29 
• Deposition Author(s): Keller, J.P., Xiao, R., MacDonald, L., Shen, J., Acton, T., Montelione, G., Hunt, J.F., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 
  0.262 (Depositor), 0.273 (DCC) 
• R-Value Work: 
  0.224 (Depositor), 0.230 (DCC) 
• R-Value Observed: 
  0.224 (Depositor) 

Literature

Crystal Structure of the GalM/aldose Epimerase Homologue from C. elegans, Northeast Structural Genomics Target WR66

Keller, J.P., Xiao, R., MacDonald, L., Shen, J., Acton, T., Montelione, G., Hunt, J.F.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 76.1 kDa 
• Atom Count: 5,504 
• Modelled Residue Count: 650 
• Deposited Residue Count: 678 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
aldose 1-epimerase	A, B	339	Caenorhabditis elegans	Mutation(s): 3  EC: 5.1.3.3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free:  0.262 (Depositor), 0.273 (DCC) 
• R-Value Work:  0.224 (Depositor), 0.230 (DCC) 
• R-Value Observed: 0.224 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.808	α = 90
b = 91.007	β = 100.67
c = 83.701	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-07-29 
Deposition Author(s): Keller, J.P., Xiao, R., MacDonald, L., Shen, J., Acton, T., Montelione, G., Hunt, J.F., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2003-07-29
  Type: Initial release
  
• Version 1.1: 2008-04-28
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-10-16
  Changes: Data collection, Database references, Derived calculations, Structure summary