3CO4 | pdb_00003co4

Crystal structure of a chitinase from Bacteroides thetaiotaomicron

• PDB DOI: https://doi.org/10.2210/pdb3CO4/pdb

• Classification: HYDROLASE
• Organism(s): Bacteroides thetaiotaomicron VPI-5482
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-03-27 Released: 2008-04-08 
• Deposition Author(s): Damodharan, L., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.92 Å
• R-Value Free: 
  0.240 (Depositor), 0.239 (DCC) 
• R-Value Work: 
  0.209 (Depositor), 0.209 (DCC) 
• R-Value Observed: 
  0.209 (Depositor) 

Literature

Crystal structure of a chitinase from Bacteroides thetaiotaomicron.

Damodharan, L., Burley, S.K., Swaminathan, S.

To be published.

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: 36.91 kDa 
• Atom Count: 2,746 
• Modeled Residue Count: 311 
• Deposited Residue Count: 312 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chitinase	A	312	Bacteroides thetaiotaomicron VPI-5482	Mutation(s): 0  Gene Names: BT_2825 EC: 3.2.1.14
UniProt
Find proteins for Q8A3X9 (Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / JCM 5827 / CCUG 10774 / NCTC 10582 / VPI-5482 / E50)) Explore Q8A3X9  Go to UniProtKB:  Q8A3X9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GCS	B [auth A]	2-amino-2-deoxy-beta-D-glucopyranose C6 H13 N O5 MSWZFWKMSRAUBD-QZABAPFNSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.92 Å
• R-Value Free:  0.240 (Depositor), 0.239 (DCC) 
• R-Value Work:  0.209 (Depositor), 0.209 (DCC) 
• R-Value Observed: 0.209 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.884	α = 90
b = 70.389	β = 90
c = 79.259	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
CBASS	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	phasing
SHARP	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-04-08 
Deposition Author(s): Damodharan, L., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2008-04-08
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2012-05-09
  Changes: Source and taxonomy
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.4: 2021-02-03
  Changes: Database references, Structure summary
• Version 1.5: 2024-11-20
  Changes: Data collection, Database references, Structure summary