2F6B

Structural and active site modification studies implicate Glu, Trp and Arg in the activity of xylanase from alkalophilic Bacillus sp. (NCL 87-6-10).

• PDB DOI: https://doi.org/10.2210/pdb2F6B/pdb

• Classification: HYDROLASE
• Organism(s): Bacillus
• Mutation(s): No 


• Deposited: 2005-11-29 Released: 2005-12-13 
• Deposition Author(s): Satyanarayana, L., Balakrishnan, H., Gaikward, S., Suresh, C.G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.226 
• R-Value Work: 0.166 
• R-Value Observed: 0.169 

Literature

Structural and active site modification studies implicate Glu, Trp and Arg in the activity of xylanase from alkalophilic Bacillus sp. (NCL 87-6-10).

Balakrishnan, H., Satyanarayana, L., Gaikward, S., Suresh, C.G.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 45.91 kDa 
• Atom Count: 3,283 
• Modelled Residue Count: 412 
• Deposited Residue Count: 412 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Family 11 Xylanase	A, B	206	Bacillus	Mutation(s): 0  EC: 3.2.1.8
UniProt
Find proteins for Q7SIE3 (Salipaludibacillus agaradhaerens) Explore Q7SIE3  Go to UniProtKB:  Q7SIE3

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.226 
• R-Value Work: 0.166 
• R-Value Observed: 0.169 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.421	α = 90
b = 77.281	β = 90
c = 79.233	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: 2005-12-13 
Deposition Author(s): Satyanarayana, L., Balakrishnan, H., Gaikward, S., Suresh, C.G.

Revision History  

• Version 1.0: 2005-12-13
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-23
  Changes: Data collection, Database references, Refinement description