4BZE | pdb_00004bze

Crystal structure of galactose mutarotase GalM from Bacillus subtilis

• PDB DOI: https://doi.org/10.2210/pdb4BZE/pdb

• Classification: ISOMERASE
• Organism(s): Bacillus subtilis subsp. subtilis str. 168
• Expression System: Escherichia coli K-12
• Mutation(s): No 


• Deposited: 2013-07-25 Released: 2014-08-13 
• Deposition Author(s): Vanden Broeck, A., Sauvage, E., Herman, R., Kerff, F., Duez, C., Charlier, P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.240 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.195 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.197 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of Galactose Mutarotase Galm from Bacillus Subtilis

Vanden Broeck, A., Sauvage, E., Herman, R., Kerff, F., Duez, C., Charlier, P.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 74.83 kDa 
• Atom Count: 5,553 
• Modeled Residue Count: 645 
• Deposited Residue Count: 650 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ALDOSE 1-EPIMERASE	A, B	325	Bacillus subtilis subsp. subtilis str. 168	Mutation(s): 0  Gene Names: GALM EC: 5.1.3.3
UniProt
Find proteins for P39840 (Bacillus subtilis (strain 168)) Explore P39840  Go to UniProtKB:  P39840

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	D [auth B]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
GOL	C [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.240 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.195 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.197 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.34	α = 90
b = 82.906	β = 90
c = 123.419	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-08-13 
Deposition Author(s): Vanden Broeck, A., Sauvage, E., Herman, R., Kerff, F., Duez, C., Charlier, P.

Revision History  

• Version 1.0: 2014-08-13
  Type: Initial release
  
• Version 1.1: 2017-09-13
  Changes: Data collection
• Version 1.2: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description