2G3I

Structure of S.olivaceoviridis xylanase Q88A/R275A mutant

• PDB DOI: https://doi.org/10.2210/pdb2G3I/pdb

• Classification: HYDROLASE
• Organism(s): Streptomyces olivaceoviridis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2006-02-20 Released: 2007-03-06 
• Deposition Author(s): Diertavitian, S., Kaneko, S., Fujimoto, Z., Kuno, A., Johansson, E., Lo Leggio, L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.192 
• R-Value Work: 0.155 
• R-Value Observed: 0.156 

Starting Model: experimental

Literature

Structure-based engineering of glucose specificity in a family 10 xylanase from Streptomyces olivaceoviridis E-86

Ichinose, H., Diertavitian, S., Fujimoto, Z., Kuno, A., Leggio, L.L., Kaneko, S.

(2012) Process Biochem 47: 358-365

• DOI: https://doi.org/10.1016/j.procbio.2011.06.002

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 34.7 kDa 
• Atom Count: 2,603 
• Modelled Residue Count: 303 
• Deposited Residue Count: 313 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Xylanase	A	313	Streptomyces olivaceoviridis	Mutation(s): 2  Gene Names: Xylanase EC: 3.2.1.8
UniProt
Find proteins for Q7SI98 (Streptomyces olivaceoviridis) Explore Q7SI98  Go to UniProtKB:  Q7SI98

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.192 
• R-Value Work: 0.155 
• R-Value Observed: 0.156 
• Space Group: P 6₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 119.317	α = 90
b = 119.317	β = 90
c = 54.355	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-03-06 
Deposition Author(s): Diertavitian, S., Kaneko, S., Fujimoto, Z., Kuno, A., Johansson, E., Lo Leggio, L.

Revision History  

• Version 1.0: 2007-03-06
  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: 2012-02-29
  Changes: Database references
• Version 1.4: 2024-04-03
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.5: 2024-11-20
  Changes: Structure summary