3HNM

Crystal Structure of Protein BT_411 (putative chitobiase, fragment 298-461) from Bacteroides thetaiotaomicron, Northeast Structural Genomics Consortium Target BtR319D

• PDB DOI: https://doi.org/10.2210/pdb3HNM/pdb

• Classification: Structural Genomics, unknown function
• Organism(s): Bacteroides thetaiotaomicron
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-05-31 Released: 2009-07-07 
• Deposition Author(s): Kuzin, A., Abashidze, M., Seetharaman, J., Sahdev, S., Xiao, R., Ciccosanti, C., Foote, E.L., Lee, D., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Hunt, J.F., Tong, L., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.281 
• R-Value Work: 0.235 

Literature

Northeast Structural Genomics Consortium Target BtR319D

Kuzin, A., Abashidze, M., Seetharaman, J., Sahdev, S., Xiao, R., Ciccosanti, C., Foote, E.L., Lee, D., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Hunt, J.F., Tong, L.

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

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

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 79.97 kDa 
• Atom Count: 5,448 
• Modelled Residue Count: 668 
• Deposited Residue Count: 688 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative chitobiase	A, B, C, D	172	Bacteroides thetaiotaomicron	Mutation(s): 0  Gene Names: BT_0441
UniProt
Find proteins for Q8AAM3 (Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / JCM 5827 / CCUG 10774 / NCTC 10582 / VPI-5482 / E50)) Explore Q8AAM3  Go to UniProtKB:  Q8AAM3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	E [auth A], F [auth B], G [auth C], H [auth D]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.281 
• R-Value Work: 0.235 
• Space Group: I 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 141.52	α = 90
b = 141.52	β = 90
c = 232.366	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling
Auto-Rickshaw	phasing
SnB	phasing
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-07-07 
Deposition Author(s): Kuzin, A., Abashidze, M., Seetharaman, J., Sahdev, S., Xiao, R., Ciccosanti, C., Foote, E.L., Lee, D., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Hunt, J.F., Tong, L., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2009-07-07
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-01
  Changes: Refinement description
• Version 1.3: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2024-11-06
  Changes: Data collection, Database references, Derived calculations, Structure summary