2WLY | pdb_00002wly

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

• PDB DOI: https://doi.org/10.2210/pdb2WLY/pdb

• Classification: HYDROLASE
• Organism(s): Serratia marcescens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2009-06-29 Released: 2010-03-16 
• Deposition Author(s): Taylor, E.J., Dennis, R.J., Macdonald, J.M., Tarling, C.A., Knapp, S., Withers, S.G., Davies, G.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 
  0.205 (Depositor), 0.202 (DCC) 
• R-Value Work: 
  0.155 (Depositor), 0.152 (DCC) 
• R-Value Observed: 
  0.158 (Depositor) 

Starting Model: experimental

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: 2599-2602

• PubMed: 20209544 
• DOI: https://doi.org/10.1002/anie.200906644
• Primary Citation Related Structures: 
  2WK2, 2WLY, 2WLZ, 2WM0

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Organizational Affiliation: 
• Department of Chemistry, University of British Columbia, Vancouver, V6T1Z3 Canada.

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 60.97 kDa 
• Atom Count: 4,545 
• Modeled Residue Count: 539 
• Deposited Residue Count: 548 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chitinase	A	548	Serratia marcescens	Mutation(s): 0  EC: 3.2.1.14
UniProt
Find proteins for P07254 (Serratia marcescens) Explore P07254  Go to UniProtKB:  P07254

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SN5	J [auth A]	2-deoxy-2-(ethanethioylamino)-beta-D-glucopyranose C8 H15 N O5 S BIHKKHHUWVSGSD-FMDGEEDCSA-N
NGT	K [auth A]	3AR,5R,6S,7R,7AR-5-HYDROXYMETHYL-2-METHYL-5,6,7,7A-TETRAHYDRO-3AH-PYRANO[3,2-D]THIAZOLE-6,7-DIOL C8 H13 N O4 S DRHXTSWSUAJOJZ-FMDGEEDCSA-N
PEG	G [auth A], H [auth A], I [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
DIO	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A]	1,4-DIETHYLENE DIOXIDE C4 H8 O2 RYHBNJHYFVUHQT-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free:  0.205 (Depositor), 0.202 (DCC) 
• R-Value Work:  0.155 (Depositor), 0.152 (DCC) 
• R-Value Observed: 0.158 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 131.004	α = 90
b = 201.442	β = 90
c = 59.325	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-03-16 
Deposition Author(s): Taylor, E.J., Dennis, R.J., Macdonald, J.M., Tarling, C.A., Knapp, S., Withers, S.G., Davies, G.J.

Revision History  

• Version 1.0: 2010-03-16
  Type: Initial release
  
• Version 1.1: 2011-10-12
  Changes: Database references, Derived calculations, Refinement description, Version format compliance
• Version 1.2: 2018-12-12
  Changes: Data collection, Database references, Source and taxonomy, Structure summary
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Other
• Version 1.4: 2023-12-13
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 1.5: 2024-10-23
  Changes: Structure summary