1H8V

The X-ray Crystal Structure of the Trichoderma reesei Family 12 Endoglucanase 3, Cel12A, at 1.9 A Resolution

• PDB DOI: https://doi.org/10.2210/pdb1H8V/pdb

• Classification: HYDROLASE
• Organism(s): Trichoderma reesei
• Expression System: Trichoderma reesei
• Mutation(s): No 


• Deposited: 2001-02-16 Released: 2001-04-24 
• Deposition Author(s): Sandgren, M., Shaw, A., Ropp, T.H., Wu, S., Bott, R., Cameron, A.D., Stahlberg, J., Mitchinson, C., Jones, T.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.233 
• R-Value Work: 0.189 
• R-Value Observed: 0.189 

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)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

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

Biological assembly 4 assigned by authors and generated by PISA (software)

Biological Assembly 5  

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

Biological assembly 5 assigned by authors and generated by PISA (software)

Biological Assembly 6  

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

Biological assembly 6 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 142.17 kDa 
• Atom Count: 11,228 
• Modelled Residue Count: 1,308 
• Deposited Residue Count: 1,308 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ENDO-BETA-1,4-GLUCANASE	A, B, C, D, E, F	218	Trichoderma reesei	Mutation(s): 0  EC: 3.2.1.4
UniProt
Find proteins for O00095 (Hypocrea jecorina) Explore O00095  Go to UniProtKB:  O00095

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
PCA	A, B, C, D, E, F	L-PEPTIDE LINKING	C5 H7 N O3		GLN

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.233 
• R-Value Work: 0.189 
• R-Value Observed: 0.189 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.72	α = 90
b = 71.58	β = 91.52
c = 121.4	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2001-04-24 
Deposition Author(s): Sandgren, M., Shaw, A., Ropp, T.H., Wu, S., Bott, R., Cameron, A.D., Stahlberg, J., Mitchinson, C., Jones, T.A.

Revision History  

• Version 1.0: 2001-04-24
  Type: Initial release
  
• Version 1.1: 2011-12-28
  Changes: Database references, Derived calculations, Non-polymer description, Other, Refinement description, Source and taxonomy, Structure summary, Version format compliance
• Version 2.0: 2020-03-11
  Changes: Data collection, Derived calculations, Other, Polymer sequence
• Version 2.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary