1Q6A

Solution Structure of the C-terminal Domain of Thermosynechococcus elongatus KaiA (ThKaiA180C); Averaged Minimized Structure

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1.3 mM ThKaiA180C U-15N, 20 mM NaCl, 20 mM phosphate buffer, 95% H2O, 5% D2O	95% H2O/5% D2O	20 mM NaCl, 20 mM NaPi	7.0	ambient	323
2	4D_13C-separated_NOESY	1.3 mM ThKaiA180C U-15N,U-13C, 20 mM NaCl, 20 mM phosphate buffer	100% D2O	20 mM NaCl, 20 mM NaPi	7.0	ambient	323
3	3D 13C-edited, 12C filtered NOESY	1 mM ThKaiA180C U-15N,U-13C, 1 mM ThKaiA180C NA-N,NA-C, 20 mM NaCl, 20 mM phosphate buffer	100% D2O	20 mM NaCl, 20 mM NaPi	7.0	ambient	323
4	HACAHB	1.3 mM ThKaiA180C U-15N,U-13C, 20 mM NaCl, 20 mM phosphate buffer	100% D2O	20 mM NaCl, 20 mM NaPi	7.0	ambient	323
5	HNHB	1.3 mM ThKaiA180C U-15N, 20 mM NaCl, 20 mM phosphate buffer, 95% H2O, 5% D2O	95% H2O/5% D2O	20 mM NaCl, 20 mM NaPi	7.0	ambient	323
6	BRCTCO/CN	1.3 mM ThKaiA180C U-15N,U-13C, 20 mM NaCl, 20 mM phosphate buffer	100% D2O	20 mM NaCl, 20 mM NaPi	7.0	ambient	323
7	CBCA(CO)NH	1.3 mM ThKaiA180C U-15N,U-13C, 20 mM NaCl, 20 mM phosphate buffer, 95% H2O, 5% D2O	95% H2O/5% D2O	20 mM NaCl, 20 mM NaPi	7.0	ambient	323
8	CBCANH	1.3 mM ThKaiA180C U-15N,U-13C, 20 mM NaCl, 20 mM phosphate buffer, 95% H2O, 5% D2O	95% H2O/5% D2O	20 mM NaCl, 20 mM NaPi	7.0	ambient	323

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	500

NMR Refinement
Method	Details	Software
Distance geometry, Simulated Annealing, Radius-of-gyration, Carbon chemical shift and conformational database potential refinement	The structure is based on 2207 restraints of which 1740 are NOE restraints.	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number	1
Representative Model	1 (minimized average structure)

Additional NMR Experimental Information
Details	This is the oxidized form of the protein. A disulfide bond connects residue C96 of each monomeric unit.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	2.1 Rev 2002.044.17.08	Delaglio
2	data analysis	PIPP	4.2.6	Garrett
3	structure solution	XPLOR-NIH	2.9.1	Clore
4	collection	VNMR	6.1 Rev. C	Varian Assoc.
5	refinement	XPLOR-NIH	2.9.1	Clore

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.