1KR4

Structure Genomics, Protein TM1056, cutA

• PDB DOI: https://doi.org/10.2210/pdb1KR4/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Thermotoga maritima
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2002-01-08 Released: 2002-08-14 
• Deposition Author(s): Savchenko, A., Zhang, R., Joachimiak, A., Edwards, A., Akarina, T., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.241 
• R-Value Work: 0.218 
• R-Value Observed: 0.218 

Literature

X-ray crystal structure of CutA from Thermotoga maritima at 1.4 A resolution.

Savchenko, A., Skarina, T., Evdokimova, E., Watson, J.D., Laskowski, R., Arrowsmith, C.H., Edwards, A.M., Joachimiak, A., Zhang, R.G.

(2004) Proteins 54: 162-165

• PubMed: 14705033 
• DOI: https://doi.org/10.1002/prot.10585
• Primary Citation of Related Structures:  
  1KR4

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Organizational Affiliation: 

Ontario Center for Structural Proteomics, University Health Network, Toronto, Ontario, Canada. [e-mail]

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 assigned by authors and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 15.02 kDa 
• Atom Count: 1,055 
• Modelled Residue Count: 110 
• Deposited Residue Count: 125 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein TM1056, cutA	A	125	Thermotoga maritima	Mutation(s): 2
UniProt
Find proteins for Q9X0E6 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X0E6  Go to UniProtKB:  Q9X0E6

Small Molecules

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: 0.241 
• R-Value Work: 0.218 
• R-Value Observed: 0.218 
• Space Group: P 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.237	α = 90
b = 52.237	β = 90
c = 33.846	γ = 120

Software Package:

Software Name	Purpose
d*TREK	data scaling
HKL-2000	data reduction
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): Savchenko, A., Zhang, R., Joachimiak, A., Edwards, A., Akarina, T., 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: Derived calculations, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description