2WLZ

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

• PDB DOI: https://doi.org/10.2210/pdb2WLZ/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: 1.82 Å
• R-Value Free: 0.218 
• R-Value Work: 0.184 
• R-Value Observed: 0.186 

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: 60.85 kDa 
• Atom Count: 4,663 
• Modelled Residue Count: 538 
• Deposited Residue Count: 548 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CHITINASE A	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
NAG	J [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
NGT	I [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]	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

Binding Affinity Annotations
ID	Source	Binding Affinity
PEG	Binding MOAD:  2WLZ	Ki: 2.50e+4 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.82 Å
• R-Value Free: 0.218 
• R-Value Work: 0.184 
• R-Value Observed: 0.186 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 130.643	α = 90
b = 201.272	β = 90
c = 59.273	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing

Structure Validation

Currently 2WLZ does not have a validation slider image.

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, Non-polymer description, Refinement description, Version format compliance
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Other, Structure summary
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Refinement description, Structure summary