1K7J

Structural Genomics, protein TF1

• PDB DOI: https://doi.org/10.2210/pdb1K7J/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2001-10-19 Released: 2002-08-14 
• Deposition Author(s): Zhang, R., Dementieva, I., Thorn, J., Donnelly, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.203 
• R-Value Work: 0.195 

Literature

Structural Genomics, protein TF1

Zhang, R., Dementieva, I., Thorn, J., Donnelly, M., Joachimiak, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 23.66 kDa 
• Atom Count: 1,868 
• Modelled Residue Count: 206 
• Deposited Residue Count: 206 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein yciO	A	206	Escherichia coli	Mutation(s): 7  Gene Names: yciO
UniProt
Find proteins for P0AFR4 (Escherichia coli (strain K12)) Explore P0AFR4  Go to UniProtKB:  P0AFR4

Small Molecules

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

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.203 
• R-Value Work: 0.195 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.26	α = 90
b = 56.26	β = 90
c = 135.301	γ = 120

Software Package:

Software Name	Purpose
CNS	refinement
d*TREK	data reduction
HKL-2000	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-08-14 
Deposition Author(s): Zhang, R., Dementieva, I., Thorn, J., Donnelly, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2002-08-14
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary