1P9D

High-resolution structure of the complex of HHR23A ubiquitin-like domain and the C-terminal ubiquitin-interacting motif of proteasome subunit S5a


SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents2mM S5a peptide unlabeled, 2mM ubiquitin-like domain of HHR23A U-15N,13C
Solvent50mM sodium phosphate, 100mM sodium chloride, 5% D2O
Ionic Strength150mM
pH6.5
Pressureambient
Temperature (K)300
Experiment(s):3D_13C-separated_NOESY, 15N-,13C-filtered/edited 2D-NOESY
Sample Contents2mM S5a peptide U-15N,13C, 2mM ubiquitin-like domain of HHR23A unlabeled
Solvent50mM sodium phosphate, 100mM sodium chloride, 5% D2O
Ionic Strength150mM
pH6.5
Pressureambient
Temperature (K)300
Experiment(s):15N-,13C-filtered/edited 2D-NOESY
Spectrometer Information
Manufacturer Model Field Strength
Bruker DRX 600.0
Bruker DRX 500.0
NMR Refinement
Method simulated annealing
Details The structures are based on a total of 2066 restraints, 1999 are NOE-derived distance restraints, of which 58 are intermolecular. For the S5a ubiquitin-interacting motif only the residues 270 to 301 were included in the structure calculations due to disorder of the flexible N- and C-termini.
NMR Ensemble Information
Conformer Selection Criteria structures with the lowest energy
Conformers Calculated Total Number 30
Conformers Submitted Total Number 10
Representative Model Choice Rationale
1 lowest energy
Additional NMR Experimental Information
1 The structure was determined using triple-resonance NMR spectroscopy
Computation: NMR Software
# Classification Software Name Author
1 refinement X-PLOR 3.1 Brunger
2 structure solution X-PLOR 3.1 Brunger
3 data analysis AURELIA 2.8.9 Neidig
4 processing XWINNMR 2.5 Bruker Karlsruhe