1PUI

Structure of EngB GTPase

• PDB DOI: https://doi.org/10.2210/pdb1PUI/pdb

• Classification: CELL CYCLE, LIGAND BINDING PROTEIN
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2003-06-24 Released: 2003-07-08 
• Deposition Author(s): Kniewel, R., Buglino, J., Lima, C.D., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.262 
• R-Value Work: 0.240 
• R-Value Observed: 0.241 

Literature

Structure of an EngB GTPase

Kniewel, R., Buglino, J., Lima, C.D.

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: 47.76 kDa 
• Atom Count: 2,843 
• Modelled Residue Count: 333 
• Deposited Residue Count: 420 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Probable GTP-binding protein engB	A, B	210	Escherichia coli	Mutation(s): 0  Gene Names: ENGB
UniProt
Find proteins for P0A6P7 (Escherichia coli (strain K12)) Explore P0A6P7  Go to UniProtKB:  P0A6P7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A], E [auth A], F [auth B], G [auth B], H [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.262 
• R-Value Work: 0.240 
• R-Value Observed: 0.241 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.44	α = 90
b = 70.62	β = 90
c = 85.85	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	model building
CNS	refinement
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-07-08 
Deposition Author(s): Kniewel, R., Buglino, J., Lima, C.D., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2003-07-08
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-02-03
  Changes: Derived calculations, Structure summary
• Version 1.4: 2024-02-14
  Changes: Data collection, Database references