4ILY | pdb_00004ily

Abundantly secreted chitosanase from Streptomyces sp. SirexAA-E

• PDB DOI: https://doi.org/10.2210/pdb4ILY/pdb

• Classification: HYDROLASE
• Organism(s): Streptomyces sp. SirexAA-E
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-01-01 Released: 2014-01-01 
• Deposition Author(s): Bianchetti, C.M., Takasuka, T.E., Bergeman, L.F., Fox, B.G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.83 Å
• R-Value Free: 
  0.195 (Depositor), 0.190 (DCC) 
• R-Value Work: 
  0.157 (Depositor), 0.160 (DCC) 
• R-Value Observed: 
  0.159 (Depositor) 

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)

Macromolecule Content 

• Total Structure Weight: 54.32 kDa 
• Atom Count: 4,290 
• Modeled Residue Count: 486 
• Deposited Residue Count: 500 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chitosanase	A, B	250	Streptomyces sp. SirexAA-E	Mutation(s): 0  Gene Names: SACTE_5457 EC: 3.2.1.132

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.83 Å
• R-Value Free:  0.195 (Depositor), 0.190 (DCC) 
• R-Value Work:  0.157 (Depositor), 0.160 (DCC) 
• R-Value Observed: 0.159 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.067	α = 90
b = 115.351	β = 107.08
c = 57.339	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-01-01 
Deposition Author(s): Bianchetti, C.M., Takasuka, T.E., Bergeman, L.F., Fox, B.G.

Revision History  

• Version 1.0: 2014-01-01
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2024-02-28
  Changes: Data collection, Database references