3Q3W | pdb_00003q3w

Isopropylmalate isomerase small subunit from Campylobacter jejuni.

• PDB DOI: https://doi.org/10.2210/pdb3Q3W/pdb

• Classification: TRANSFERASE
• Organism(s): Campylobacter jejuni subsp. jejuni IA3902
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-12-22 Released: 2011-01-26 
• Deposition Author(s): Osipiuk, J., Gu, M., Papazisi, L., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free: 
  0.232 (Depositor), 0.244 (DCC) 
• R-Value Work: 
  0.187 (Depositor), 0.202 (DCC) 
• R-Value Observed: 
  0.189 (Depositor) 

Starting Model: experimental

Literature

Isopropylmalate isomerase small subunit from Campylobacter jejuni.

Osipiuk, J., Gu, M., Papazisi, L., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 46.59 kDa 
• Atom Count: 3,243 
• Modeled Residue Count: 359 
• Deposited Residue Count: 406 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3-isopropylmalate dehydratase small subunit	A, B	203	Campylobacter jejuni subsp. jejuni IA3902	Mutation(s): 0  Gene Names: CJSA_1625, leuD EC: 4.2.1.33
UniProt
Find proteins for A8FP32 (Campylobacter jejuni subsp. jejuni serotype O:6 (strain 81116 / NCTC 11828)) Explore A8FP32  Go to UniProtKB:  A8FP32

Small Molecules

Modified Residues  1 Unique
ID	Chains	Modified Residue	Modification Type	Formula	2D Diagram
MSE	A, B	MET	Selenomethionine	C5 H11 N O2 Se

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free:  0.232 (Depositor), 0.244 (DCC) 
• R-Value Work:  0.187 (Depositor), 0.202 (DCC) 
• R-Value Observed: 0.189 (Depositor) 

Diffraction Data: https://doi.org/10.18430/m33q3w

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 74.496	α = 90
b = 151.937	β = 90
c = 32.719	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
MOLREP	phasing
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-01-26 
Deposition Author(s): Osipiuk, J., Gu, M., Papazisi, L., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2011-01-26
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2023-12-06
  Changes: Data collection
• Version 1.5: 2024-11-27
  Changes: Structure summary