1KYT

Crystal Structure of Thermoplasma acidophilum 0175 (APC014)

• PDB DOI: https://doi.org/10.2210/pdb1KYT/pdb

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


• Deposited: 2002-02-05 Released: 2003-01-21 
• Deposition Author(s): Kim, Y., Joachimiak, A., Edwards, A., Xu, X., Pennycooke, M., Gu, J., Cheung, F., Christendat, D., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.246 
• R-Value Work: 0.224 
• R-Value Observed: 0.226 

Literature

Crystal Structure of Thermoplasma acidophilum 0175 (APC014)

Kim, Y., Joachimiak, A., Edwards, A., Xu, X., Pennycooke, M., Gu, J., Cheung, F., Christendat, D.

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 PQS (software)

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 52.29 kDa 
• Atom Count: 4,085 
• Modelled Residue Count: 450 
• Deposited Residue Count: 454 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hypothetical protein TA0175	A, B	227	Thermoplasma acidophilum	Mutation(s): 10  Gene Names: TA0175
UniProt
Find proteins for Q9HLQ2 (Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165)) Explore Q9HLQ2  Go to UniProtKB:  Q9HLQ2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	C [auth A], D [auth A], E [auth A], F [auth A], G [auth B], H [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.246 
• R-Value Work: 0.224 
• R-Value Observed: 0.226 
• Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.526	α = 90
b = 99.316	β = 90
c = 113.886	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-01-21 
Deposition Author(s): Kim, Y., Joachimiak, A., Edwards, A., Xu, X., Pennycooke, M., Gu, J., Cheung, F., Christendat, D., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2003-01-21
  Type: Initial release
  
• Version 1.1: 2008-04-28
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2021-10-27
  Changes: Database references, Derived calculations