2FI2
Solution structure of the SCAN homodimer from MZF-1/ZNF42
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_15N-separated_NOESY | 2 mM ZNF-42 U-15N/13C, 20 mM sodium phosphate, 50 mM NaCl, 90% H2O, 10% D2O | 90% H2O/10% D2O | 99 mM | 7.4 | AMBIENT | 298 | |
2 | 3D_13C-separated_NOESY | 2 mM ZNF-42 U-15N/13C, 20 mM sodium phosphate, 50 mM NaCl, 90% H2O, 10% D2O | 90% H2O/10% D2O | 99 mM | 7.4 | AMBIENT | 298 | |
3 | 3D_13C-separated_NOESY (AROMATIC) | 2 mM ZNF-42 U-15N/13C, 20 mM sodium phosphate, 50 mM NaCl, 90% H2O, 10% D2O | 90% H2O/10% D2O | 99 mM | 7.4 | AMBIENT | 298 | |
4 | 3D_13C-F1-filtered-13C-F3-separated_NOESY | 1.7 mM ZNF-42 U-15N/13C, 1.7 mM unlabeled ZNF-42, 20 mM sodium phosphate, 50 mM NaCl, 90% H2O, 10% D2O | 90% H2O/10% D2O | 99 mM | 7.4 | AMBIENT | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
NMR Refinement | ||
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Method | Details | Software |
AUTOMATED METHODS WERE USED FOR BACKBONE CHEMICAL SHIFT ASSIGNMENT AND ITERATIVE NOE REFINEMENT. FINAL STRUCTURES WERE OBTAINED BY MOLECULAR DYNAMICS IN EXPLICIT SOLVENT | HOMODIMER STRUCTURES ARE BASED ON A TOTAL OF 4063 NOE CONSTRAINTS ( 843 INTRA, 818 SEQUENTIAL, 1029 MEDIUM, 750 INTRAMONOMER LONG RANGE AND 623 INTERMONOMER NOE CONSTRAINTS) AND 264 PHI AND PSI DIHEDRAL ANGLE CONSTRAINTS. CONSTRAINTS WERE ASSIGNED AND VALIDATED IN ONE MONOMER AND THEN DUPLICATED TO GENERATE A SYMMETRY RELATED CONSTRAINTS IN THE SECOND MONOMER. CONSTRAINT TOTALS LISTED ABOVE INCLUDE CONSTRAINTS FROM BOTH MONOMERS. | XPLOR-NIH |
NMR Ensemble Information | |
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Conformer Selection Criteria | target function |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | ALL TRIPLE-RESONANCE AND NOESY SPECTRA WERE ACQUIRED USING A CRYOGENIC PROBE |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | XPLOR-NIH | 2.9.3. | SCHWIETERS, C.D., KUSZEWSKI, J.J., TJANDRA, N., CLORE, G.M. |
2 | collection | XwinNMR | 3.5 | |
3 | processing | NMRPipe | 2004 | |
4 | data analysis | SPSCAN | 1.1.0 | |
5 | data analysis | XEASY | 1.3 | |
6 | data analysis | GARANT | 2.1 | |
7 | structure solution | CYANA | 2.1 |