1OLQ

The Trichoderma reesei cel12a P201C mutant, structure at 1.7 A resolution

• PDB DOI: https://doi.org/10.2210/pdb1OLQ/pdb

• Classification: HYDROLASE
• Organism(s): Trichoderma reesei
• Expression System: Aspergillus niger
• Mutation(s): Yes 


• Deposited: 2003-08-11 Released: 2003-11-25 
• Deposition Author(s): Sandgren, M., Gualfetti, P.J., Shaw, A., Gross, L.S., Saldajeno, M., Berglund, G.I., Jones, T.A., Mitchinson, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.251 
• R-Value Work: 0.209 
• R-Value Observed: 0.210 

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: 47.4 kDa 
• Atom Count: 3,635 
• Modelled Residue Count: 436 
• Deposited Residue Count: 436 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ENDO-BETA-1,4-GLUCANASE	A, B	218	Trichoderma reesei	Mutation(s): 1  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	C [auth A], D [auth B]	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	L-PEPTIDE LINKING	C5 H7 N O3		GLN

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.251 
• R-Value Work: 0.209 
• R-Value Observed: 0.210 
• Space Group: P 3₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.616	α = 90
b = 70.616	β = 90
c = 69.092	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-11-25 
Deposition Author(s): Sandgren, M., Gualfetti, P.J., Shaw, A., Gross, L.S., Saldajeno, M., Berglund, G.I., Jones, T.A., Mitchinson, C.

Revision History  

• Version 1.0: 2003-11-25
  Type: Initial release
  
• Version 1.1: 2012-02-22
  Changes: Database references, Derived calculations, Non-polymer description, Other, 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
• Version 2.2: 2023-12-13
  Changes: Data collection, Database references, Refinement description, Structure summary