1O6I

Chitinase B from Serratia marcescens complexed with the catalytic intermediate mimic cyclic dipeptide CI4.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.195
  • R-Value Work: 0.170

Literature

Macromolecules
Sequence Display for 1O6I

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 114975.94

Macromolecule Entities
Molecule Chains Length Organism Details
CHITINASE B A, B 499 Serratia marcescens EC#: 3.2.1.14 IUBMB
Gene Name(s): chiB
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
0HZ
Query on 0HZ

amino({3-[(3S,8aS)-1,4-dioxooctahydropyrrolo[1,2- a]pyrazin-3-yl]propyl}amino)methaniminium
CI-4; [cyclo-(l-Arg-d-Pro)] (Synonym)
C11 H20 N5 O2
ZRJHYOXNWCMGMW-JGVFFNPUSA-O
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
0HZ N/A in BindingDB
Ki: 650000 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.195
  • R-Value Work: 0.170
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 55.81 α = 90.00
b = 103.74 β = 90.00
c = 186.28 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-10-03
  • Released Date: 2003-03-30
  • Deposition author(s): Houston, D.R., Eggleston, I., Synstad, B., Eijsink, V.G.H., Van Aalten, D.M.F.

Revision History

  • 2011-07-13
    Type: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance
  • 2012-11-30
    Type: Other
  • 2013-03-13
    Type: Other