1NSM

Crystal structure of galactose mutarotase from Lactococcus lactis mutant D243A complexed with galactose


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.236
  • R-Value Work: 0.176

Literature

Macromolecules
Sequence Display for 1NSM

Classification: ISOMERASE

Total Structure Weight: 77542.06

Macromolecule Entities
Molecule Chains Length Organism Details
GALACTOSE MUTAROTASE A, B 347 Lactococcus lactis EC#: 5.1.3.3 IUBMB
Mutation: D243A
Gene Name(s): galM
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
GLA
Query on GLA

B ALPHA D-GALACTOSE
C6 H12 O6
WQZGKKKJIJFFOK-PHYPRBDBSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GAL
Query on GAL

A BETA-D-GALACTOSE
C6 H12 O6
WQZGKKKJIJFFOK-FPRJBGLDSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NA
Query on NA

B SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.236
  • R-Value Work: 0.176
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 44.80 α = 90.00
b = 76.30 β = 90.00
c = 211.00 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-01-28
  • Released Date: 2003-02-11
  • Deposition author(s): Holden, H.M., Thoden, J.B.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4