3WZY

S266A mutant 3-isopropylmalate dehydrogenase from Shewanella oneidensis MR-1 at 580MPa - complex with IPM and Mg

• PDB DOI: https://doi.org/10.2210/pdb3WZY/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Shewanella oneidensis MR-1
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2014-10-08 Released: 2015-10-14 
• Deposition Author(s): Nagae, T., Watanabe, N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.222 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 

Literature

Pressure Adaptation of 3-Isopropylmalate Dehydrogenase from the Extremely Piezophilic Bacterium Shewanella benthica is Attributed to just One Amino Acid Substitution

Hamajima, Y., Nagae, T., Watanabe, N., Kato-Yamada, Y., Imai, T., Kato, C.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 40.87 kDa 
• Atom Count: 3,107 
• Modelled Residue Count: 364 
• Deposited Residue Count: 375 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3-isopropylmalate dehydrogenase	A	375	Shewanella oneidensis MR-1	Mutation(s): 1  Gene Names: leuB, SO_4235 EC: 1.1.1.85
UniProt
Find proteins for Q8E9N3 (Shewanella oneidensis (strain MR-1)) Explore Q8E9N3  Go to UniProtKB:  Q8E9N3

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
IPM	B [auth A]	3-ISOPROPYLMALIC ACID C7 H12 O5 RNQHMTFBUSSBJQ-CRCLSJGQSA-N
MG	C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.222 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 102.314	α = 90
b = 57.417	β = 118.81
c = 75.362	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SERGUI	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-10-14 
Deposition Author(s): Nagae, T., Watanabe, N.

Revision History  

• Version 1.0: 2015-10-14
  Type: Initial release
  
• Version 1.1: 2016-01-13
  Changes: Structure summary
• Version 1.2: 2017-11-22
  Changes: Refinement description
• Version 1.3: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description