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Solution Structure of the R13 Domain of Talin
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 1 mM [U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 2 2D 1H-13C HSQC 1 mM [U-13C; U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 3 3D HNCO 1 mM [U-13C; U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 4 3D HNCA 1 mM [U-13C; U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 5 3D CBCA(CO)NH 1 mM [U-13C; U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 6 3D HNCACB 1 mM [U-13C; U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 7 3D HCCH-TOCSY 1 mM [U-13C; U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 8 3D 1H-15N NOESY 1 mM [U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 9 3D 1H-13C NOESY 1 mM [U-13C; U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 10 3D HBHA(CO)NH 1 mM [U-13C; U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 11 2D 1H-1H TOCSY 1 mM Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 12 2D 1H-1H NOESY 1 mM Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 13 3D HN(CO)CA 1 mM [U-13C; U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318 14 4D 13C, 13C HMQC-NOESY-HSQC 1 mM [U-13C; U-15N] Talin c-terminal actin binding site (ABS3) 90% H2O/10% D2O 50 6.0 ambient 318
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 800 2 Bruker DRX 600 3 Bruker DRX 600
NMR Refinement Method Details Software simulated annealing, molecular dynamics, torsion angle dynamics Final Structures refined in explicit water bath as implemented in Aria 1.2/CNS 1.1. 20 lowest energy structures selected from water refinement., CNS, Initial structures generated with Cyana ARIA
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution ARIA 1.2 Linge, O'Donoghue and Nilges 2 refinement ARIA 1.2 Linge, O'Donoghue and Nilges 3 chemical shift assignment CYANA 2.1 Guntert, Mumenthaler and Wuthrich 4 chemical shift calculation CYANA 2.1 Guntert, Mumenthaler and Wuthrich 5 structure solution CYANA 2.1 Guntert, Mumenthaler and Wuthrich 6 collection TopSpin Bruker Biospin 7 processing TopSpin Bruker Biospin 8 peak picking CcpNmr Analysis 11 CCPN 9 chemical shift assignment CcpNmr Analysis 11 CCPN 10 geometry optimization TALOS Cornilescu, Delaglio and Bax