2JOX

Embryonic Neural Inducing Factor Churchill is not a DNA-Binding Zinc Finger Protein: Solution Structure Reveals a Solvent-Exposed beta-Sheet and Zinc Binuclear Cluster

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
2	2D 1H-13C HSQC	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
3	3D HNCO	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
4	3D HNCA	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
5	3D HNCACB	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
6	3D CBCA(CO)NH	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
7	3D HBHA(CO)NH	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
8	3D (HCA)CO(CA)NH	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
9	3D C(CO)NH	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
10	3D HCCH-COSY	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
11	3D CBCGCD	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
12	3D CBCGCE	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
13	3D HNHB	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
14	3D HACAHB-COSY	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
15	2D 1H-1H NOESY	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
16	3D 1H-15N NOESY	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298
17	3D 1H-13C NOESY	1 mM [U-13C; U-15N] Churchill, 25 mM Tris, 100 mM NaCl, 2 mM DTT	95% H2O/5% D2O	40	6.8	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	500
2	Bruker	DMX	600
3	Bruker	DMX	800
4	Bruker	DMX	900
5	Bruker	DRX	750

NMR Refinement
Method	Details	Software
torsion angle dynamics, molecular dynamics		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Amber	8	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Koll
2	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
3	refinement	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
4	data analysis	NMRView	5	Johnson, One Moon Scientific
5	processing	NMRPipe	2.5	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
6	data analysis	TALOS		Cornilescu, Delaglio and Bax

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.