SOLUTION NMR Experimental Data

Experimental Details
Sample Conditions
Sample Contents0.6-1.5mM Crk SH2 domain U-15N, 13C; 50mM sodium phosphate pH6.8, 0.02% sodium azide
Solvent90% H2O, 10% D2O
Ionic Strength50mM sodium phosphate
Temperature (K)303
Experiment(s):3D_13C-separated_NOESY, 3D_15N-separated_NOESY, 3D_13C_F1-FILTERED_F3-EDITED_NOESY, J-HNHA, IPAP-15N_HSQC
Spectrometer Information
Manufacturer Model Field Strength
Varian UNITYplus 800.0
Varian UNITYplus 500.0
Varian UNITYplus 600.0
NMR Refinement
Method ARIA 1.0, CNS 1.0
Details This structure represents the lowest energy solution based on 2406 SH2 intramolecular restraints, 1628 SH3 intramolecular restraints, 37 SH2-SH3 intermolecular restraints, 64 SH2-phosphopeptide intermolecular restraints, 50 hydrogen bonds, 54 direct 3J-HNHA couplings and 166 dihedral angle restraints from TALOS Residues 217-220 and 225-229 of the Crk phosphopeptide (Chain B) are disordered. As intermolecular contacts between the SH2 domain (Chain A) and the SH3 domain (Chain C) limited to amino acids 67-75 in DE-loop of the SH2 domain, there is no unique orientation between the SH2 domain and SH3 domain.
NMR Ensemble Information
Conformer Selection Criteria structures with the lowest energy
Conformers Calculated Total Number 40
Conformers Submitted Total Number 1
Representative Model Choice Rationale
1 lowest energy
Additional NMR Experimental Information
1 Intermolecular distance restraints were obtained from reverse half-filtered 2D- and 3D-NOESY spectra (300 ms mixing time) on sample in 99% D2O. Methyl prochiral assignments were made on a 10% 13C-labeled sample according to Neri et al (Biochemistry 28:7510; 1989). HACAN and CBCA(CO)N(CA)HA experiments were used to assign the proline residues in the Crk SH2 domain according to Kanelis et al (JBNMR 16:253; 2000)
Computation: NMR Software
# Classification Software Name Author
1 processing NMRPipe 1.8 Delaglio
2 structure solution CNS 1.0 Brunger
3 data analysis PIPP 4.3.2 Garrett
4 structure solution ARIA 1.0 Brunger
5 refinement ARIA 1.0 Brunger