2WK2

Chitinase A from Serratia marcescens ATCC990 in complex with Chitotrio-thiazoline dithioamide.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 0.215 
  • R-Value Work: 0.165 
  • R-Value Observed: 0.168 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 2.2 of the entry. See complete history


Literature

Chitinase Inhibition by Chitobiose and Chitotriose Thiazolines.

Macdonald, J.M.Tarling, C.A.Taylor, E.J.Dennis, R.J.Myers, D.S.Knapp, S.Davies, G.J.Withers, S.G.

(2010) Angew Chem Int Ed Engl 49: 2599


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
CHITINASE A540Serratia marcescensMutation(s): 0 
EC: 3.2.1.14
UniProt
Find proteins for P07254 (Serratia marcescens)
Explore P07254 
Go to UniProtKB:  P07254
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP07254
Sequence Annotations
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  • Reference Sequence
Oligosaccharides

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Entity ID: 2
MoleculeChains Length2D Diagram Glycosylation3D Interactions
2-deoxy-2-(ethanethioylamino)-beta-D-glucopyranose-(1-4)-2-deoxy-2-(ethanethioylamino)-beta-D-glucopyranose
B, C
2N/AN/A
Glycosylation Resources
GlyTouCan:  G32359JL
GlyCosmos:  G32359JL
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 0.215 
  • R-Value Work: 0.165 
  • R-Value Observed: 0.168 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 131.214α = 90
b = 200.97β = 90
c = 59.437γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-03-16
    Type: Initial release
  • Version 1.1: 2011-10-12
    Changes: Database references, Derived calculations, Non-polymer description, Version format compliance
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Advisory, Atomic model, Data collection, Derived calculations, Other, Structure summary
  • Version 2.1: 2023-12-13
    Changes: Data collection, Database references, Refinement description, Structure summary
  • Version 2.2: 2024-10-16
    Changes: Structure summary