L-rhamnose isomerase

spinqualitylabelsall models Structure of L-rhamnose isomerase tetramer complex with L-rhamnitol (PDB entry 1de6) Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Function L-rhamnose isomerase (LRI) catalyzes the interconversion of L-rhamnose to L-rhamnulose or D-allose to D-psicose. LRI participates in fructose and mannose metabolism. Structural highlights The biological assembly of LRI from Escherichia coli is homotetramer. The active site of LRI contains catalytic Zn+2 and Mn+2 ions. Water molecules shown as red spheres.

3D structures of L-rhamnose isomerase

Updated on 20-October-2025

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• L-rhamnose isomerase
  • 1d8w – EcLRI + Zn – Escherichia coli
    
  • 2hcv, 3itx, 3ity, 3iud, 3iui, 3iuh – PsLRI (mutant) + metal ion – Pseudomonas stutzeri
    
  • 3p14 – BhLRI – Bacillus halodurans
    
  • 3uu0 – BhLRI + Mn
    
  • 3uva, 3uxi – BhLRI (mutant) + Mn
    
• LRI complexes with reactants
  • 1de5, 1de6 – EcLRI + L-rhamnitol
    
  • 2i56, 3itt, 3m0h, 3m0v, 3m0y – PsLRI (mutant) + L-rhamnose
    
  • 3itl – PsLRI (mutant) + L-rhamnulose
    
  • 2i57, 3m0m – PsLRI (mutant) + D-allose
    
  • 3ito, 3itv, 3m0l, 3m0x – PsLRI (mutant) + D-psicose
    
  • 4gji – PsLRI (mutant) + L-rhamnopyranose
    
  • 4gjj – PsLRI (mutant) + D-alloopyranose
    
  • 8jq3 – LrLRI – Lactobacillus rhamnosus
    
  • 8jq6 – LrLRI + D-allose
    
  • 8jq4 – LrLRI + L-rhamnulose
    
  • 8jq5 – LrLRI + D-allulose
    

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