3VVG

The Crystal Structure of Cellulase-Inhibitor Complex.

• PDB DOI: https://doi.org/10.2210/pdb3VVG/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Pyrococcus horikoshii OT3
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-07-24 Released: 2013-08-28 
• Deposition Author(s): Ishikawa, K., Maeno, Y., Kataoka, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.286 
• R-Value Work: 0.220 
• R-Value Observed: 0.223 

Literature

The Crystal Structure of Cellulase-Inhibitor Complex.

Ishikawa, K., Maeno, Y., Kataoka, M.

To be published.

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)

Macromolecule Content

• Total Structure Weight: 130.83 kDa 
• Atom Count: 9,943 
• Modelled Residue Count: 1,131 
• Deposited Residue Count: 1,131 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
458aa long hypothetical endo-1,4-beta-glucanase	A, B, C	377	Pyrococcus horikoshii OT3	Mutation(s): 0  Gene Names: PH1171
UniProt
Find proteins for O58925 (Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)) Explore O58925  Go to UniProtKB:  O58925

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZGB	D [auth A], F [auth A], J [auth C]	3-(4-methoxy-3-methylphenyl)propanoic acid C11 H14 O3 ZATPJYSLVGVGGY-UHFFFAOYSA-N
PO4	E [auth A], G [auth B], H [auth B], I [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.286 
• R-Value Work: 0.220 
• R-Value Observed: 0.223 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 163.566	α = 90
b = 58.433	β = 109.01
c = 138.008	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-08-28 
Deposition Author(s): Ishikawa, K., Maeno, Y., Kataoka, M.

Revision History  

• Version 1.0: 2013-08-28
  Type: Initial release
  
• Version 1.1: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Structure summary