3EOI

CRYSTAL STRUCTURE OF putative PROTEIN PilM from Escherichia coli B7A

• PDB DOI: https://doi.org/10.2210/pdb3EOI/pdb

• Classification: structural genomics, unknown function
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-09-26 Released: 2008-10-07 
• Deposition Author(s): Malashkevich, V.N., Toro, R., Bonanno, J.B., Sauder, J.M., Wasserman, S., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.52 Å
• R-Value Free: 0.237 
• R-Value Work: 0.190 
• R-Value Observed: 0.192 

Literature

Crystal structure of an uncharacterized protein

Malashkevich, V.N., Toro, R., Bonanno, J.B., Sauder, J.M., Wasserman, S., Burley, S.K., Almo, S.C.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 27.66 kDa 
• Atom Count: 2,291 
• Modelled Residue Count: 246 
• Deposited Residue Count: 248 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PilM	A, B	124	Escherichia coli	Mutation(s): 0  Gene Names: pilM, Q68JC9_ECOLI
UniProt
Find proteins for Q68JC9 (Escherichia coli) Explore Q68JC9  Go to UniProtKB:  Q68JC9

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.52 Å
• R-Value Free: 0.237 
• R-Value Work: 0.190 
• R-Value Observed: 0.192 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.754	α = 90
b = 54.213	β = 100.51
c = 50.091	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-10-07 
Deposition Author(s): Malashkevich, V.N., Toro, R., Bonanno, J.B., Sauder, J.M., Wasserman, S., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2008-10-07
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2018-11-14
  Changes: Data collection, Structure summary
• Version 1.4: 2021-02-10
  Changes: Database references, Structure summary
• Version 1.5: 2024-02-21
  Changes: Data collection, Database references