3ELK

Crystal structure of putative transcriptional regulator TA0346 from Thermoplasma acidophilum

• PDB DOI: https://doi.org/10.2210/pdb3ELK/pdb

• Classification: transcription regulator
• Organism(s): Thermoplasma acidophilum
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-09-22 Released: 2008-09-30 
• Deposition Author(s): Grantz Saskova, K., Chruszcz, M., Evdokimova, E., Egorova, O., Savchenko, A., Edwards, A., Joachimiak, A., Minor, W., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.241 
• R-Value Work: 0.202 
• R-Value Observed: 0.204 

Literature

Crystal structure of putative transcriptional regulator TA0346 from Thermoplasma acidophilum

Grantz Saskova, K., Chruszcz, M., Evdokimova, E., Egorova, O., Savchenko, A., Edwards, A., Joachimiak, A., Minor, W.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 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.

Macromolecule Content

• Total Structure Weight: 27.33 kDa 
• Atom Count: 1,761 
• Modelled Residue Count: 208 
• Deposited Residue Count: 234 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative transcriptional regulator TA0346	A, B	117	Thermoplasma acidophilum	Mutation(s): 0  Gene Names: Ta0346
UniProt
Find proteins for Q9HL84 (Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165)) Explore Q9HL84  Go to UniProtKB:  Q9HL84

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	C [auth A], D [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET
OCS	A, B	L-PEPTIDE LINKING	C3 H7 N O5 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.241 
• R-Value Work: 0.202 
• R-Value Observed: 0.204 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.515	α = 90
b = 45.707	β = 90
c = 207.679	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
HKL-3000	phasing
MLPHARE	phasing
DM	model building
SHELXD	phasing
SHELXE	model building
RESOLVE	model building
ARP/wARP	model building
CCP4	model building
REFMAC	refinement
Coot	model building
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing
RESOLVE	phasing
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-09-30 
Deposition Author(s): Grantz Saskova, K., Chruszcz, M., Evdokimova, E., Egorova, O., Savchenko, A., Edwards, A., Joachimiak, A., Minor, W., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2008-09-30
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2022-04-13
  Changes: Database references, Derived calculations, Structure summary