8ZIK | pdb_00008zik

Crystal structure of a beta-1,4-endoglucanase from Bispora sp. MEY-1 in complex with cellotetraose


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.87 Å
  • R-Value Free: 
    0.239 (Depositor), 0.239 (DCC) 
  • R-Value Work: 
    0.188 (Depositor), 0.189 (DCC) 
  • R-Value Observed: 
    0.191 (Depositor) 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.0 of the entry. See complete history

Literature

Unraveling the Key Determinants of Substrate Promiscuity in Glycoside Hydrolase Family 5_5 Cellulases

Zheng, J.Luo, H.Y.

To be published.

Macromolecule Content 

  • Total Structure Weight: 149.38 kDa 
  • Atom Count: 10,954 
  • Modeled Residue Count: 1,228 
  • Deposited Residue Count: 1,288 
  • Unique protein chains: 1

Macromolecules

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Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
cellulaseA [auth D],
B,
C [auth A],
D [auth C]
322Bispora sp. MEY-1Mutation(s): 2 
Gene Names: M433DRAFT_60941
EC: 3.2.1.4

Oligosaccharides

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Entity ID: 2
MoleculeChains Length2D Diagram GlycosylationD Interactions
beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose
E, F, G, H, I
E, F, G, H, I, J
4N/A
Glycosylation Resources
GlyTouCan: G00025MO
GlyCosmos: G00025MO
GlyGen: G00025MO

Small Molecules

Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
NAG

Query on NAG



Download:Ideal Coordinates CCD File
AA [auth C]
K [auth D]
L [auth D]
M [auth D]
N [auth D]
AA [auth C],
K [auth D],
L [auth D],
M [auth D],
N [auth D],
O [auth B],
P [auth B],
Q [auth B],
R [auth B],
S [auth A],
T [auth A],
U [auth A],
V [auth A],
W [auth C],
X [auth C],
Y [auth C],
Z [auth C]
2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.87 Å
  • R-Value Free:  0.239 (Depositor), 0.239 (DCC) 
  • R-Value Work:  0.188 (Depositor), 0.189 (DCC) 
  • R-Value Observed: 0.191 (Depositor) 
Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 72.318α = 90
b = 94.99β = 90
c = 179.759γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Natural Science Foundation of China (NSFC)China31872395

Revision History  (Full details and data files)

  • Version 1.0: 2025-05-21
    Type: Initial release