5UJN

Representative 2-conformer ensembles of K27-linked Ub2 from RDC data

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	150 uM [U-99% 15N] distal K27-Ub2, 20 mM NaPhosphate, 0.02 % NaN3	95% H2O/5% D2O	20 mM	6.8	1 atm	296	Bruker AVANCE III 600
2	2D 1H-15N HSQC	150 uM [U-99% 15N] proximal K27-Ub2, 20 mM NaPhosphate, 0.02 % NaN3	95% H2O/5% D2O	20 mM	6.8	1 atm	296	Bruker AVANCE III 600
3	2D 1H-15N HSQC	150 uM [U-99% 15N] distal K27-Ub2, 20 mM NaPhosphate, 0.02 % NaN3	95% H2O/5% D2O	20 mM	6.8	1 atm	296	Bruker AVANCE III 600
4	2D 1H-15N HSQC	150 uM [U-99% 15N] proximal K27-Ub2, 20 mM NaPhosphate, 0.02 % NaN3	95% H2O/5% D2O	20 mM	6.8	1 atm	296	Bruker AVANCE III 600
5	2D 1H-15N HSQC	150 uM [U-99% 15N] distal K27-Ub2, 20 mM NaPhosphate, 0.02 % NaN3	95% H2O/5% D2O	20 mM	6.8	1 atm	296	Bruker AVANCE III 800
6	2D 1H-15N HSQC	150 uM [U-99% 15N] proximal K27-Ub2, 20 mM NaPhosphate, 0.02 % NaN3	95% H2O/5% D2O	20 mM	6.8	1 atm	296	Bruker AVANCE III 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	600
2	Bruker	AVANCE III	800

NMR Refinement
Method	Details	Software
na	Using ~100 RDC restraints, ARMOR was used to select 2-member ensembles of K27-Ub2 that are in best agreement with RDC data. This generated a total of 10 2-conformer ensembles for this entry.	ARMOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the best agreement with RDC data
Conformers Calculated Total Number	100000
Conformers Submitted Total Number	20
Representative Model	20 (structures with best agreement with rdc data)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	ARMOR		Berlin K, Castaneda, CA, Fushman D
2	chemical shift assignment	Sparky		Goddard
5	peak picking	Sparky		Goddard