3KOR | pdb_00003kor

Crystal structure of a putative Trp repressor from Staphylococcus aureus

• PDB DOI: https://doi.org/10.2210/pdb3KOR/pdb

• Classification: TRANSCRIPTION
• Organism(s): Staphylococcus aureus subsp. aureus USA300_TCH1516
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2009-11-13 Released: 2010-11-17 
• Deposition Author(s): Lam, R., Vodsedalek, J., Lam, K., Romanov, V., Battaile, K.P., Beletskaya, I., Pai, E.F., Chirgadze, N.Y.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 
  0.221 (Depositor), 0.226 (DCC) 
• R-Value Work: 
  0.191 (Depositor), 0.194 (DCC) 
• R-Value Observed: 
  0.192 (Depositor) 

Literature

Crystal structure of a putative Trp repressor from Staphylococcus aureus

Lam, R., Vodsedalek, J., Lam, K., Romanov, V., Battaile, K.P., Beletskaya, I., Pai, E.F., Chirgadze, N.Y.

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 55.19 kDa 
• Atom Count: 3,543 
• Modeled Residue Count: 401 
• Deposited Residue Count: 476 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Possible Trp repressor	A, B, C, D	119	Staphylococcus aureus subsp. aureus USA300_TCH1516	Mutation(s): 0  Gene Names: USA300HOU_1908

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free:  0.221 (Depositor), 0.226 (DCC) 
• R-Value Work:  0.191 (Depositor), 0.194 (DCC) 
• R-Value Observed: 0.192 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.973	α = 90
b = 68.461	β = 96.86
c = 73.17	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
JDirector	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-11-17 
Deposition Author(s): Lam, R., Vodsedalek, J., Lam, K., Romanov, V., Battaile, K.P., Beletskaya, I., Pai, E.F., Chirgadze, N.Y.

Revision History  

• Version 1.0: 2010-11-17
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-01
  Changes: Refinement description
• Version 1.3: 2024-11-06
  Changes: Data collection, Database references, Derived calculations, Structure summary