1ISY

Crystal structure of xylanase from Streptomyces olivaceoviridis E-86 complexed with glucose

• PDB DOI: https://doi.org/10.2210/pdb1ISY/pdb

• Classification: HYDROLASE
• Organism(s): Streptomyces olivaceoviridis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2001-12-27 Released: 2002-02-20 
• Deposition Author(s): Fujimoto, Z., Kuno, A., Kaneko, S., Kobayashi, H., Kusakabe, I., Mizuno, H.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.235 
• R-Value Work: 0.191 
• R-Value Observed: 0.191 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 94.3 kDa 
• Atom Count: 7,294 
• Modelled Residue Count: 872 
• Deposited Residue Count: 872 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
endo-1,4-beta-D-xylanase	A, B	436	Streptomyces olivaceoviridis	Mutation(s): 0  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
BGC	C [auth A], D [auth A], E [auth B], F [auth B]	beta-D-glucopyranose C6 H12 O6 WQZGKKKJIJFFOK-VFUOTHLCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.235 
• R-Value Work: 0.191 
• R-Value Observed: 0.191 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 75.25	α = 90
b = 94.47	β = 90
c = 138.35	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data collection
CrystalClear	data reduction
CNS	refinement
CrystalClear	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-02-20 
Deposition Author(s): Fujimoto, Z., Kuno, A., Kaneko, S., Kobayashi, H., Kusakabe, I., Mizuno, H.

Revision History  

• Version 1.0: 2002-02-20
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.4: 2023-10-25
  Changes: Data collection, Database references, Refinement description, Structure summary