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The specificity and structure of DNA crosslinking by a gut bacterial genotoxin
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 1.5 ug/uL DNA-COLIBACTIN, 10 mM TRIS, 10 mM sodium chloride 90% H2O/10% D2O 10 mM Tris 10 mM Nacl mM 8.2 1 bar 278 Bruker AVANCE II 700 2 2D 1H-15N HSQC 1.5 ug/uL [U-100% 13C; U-100% 15N] DNA-COLIBACTIN, 10 mM TRIS, 10 mM sodium chloride 90% H2O/10% D2O 10 mM Tris 10 mM Nacl mM 8.2 1 bar 278 Bruker AVANCE II 700 3 2D 1H-13C HSQC 1.5 ug/uL [U-100% 13C; U-100% 15N] DNA-COLIBACTIN, 10 mM TRIS, 10 mM sodium chloride 90% H2O/10% D2O 10 mM Tris 10 mM Nacl mM 8.2 1 bar 278 Bruker AVANCE II 700 4 2D 1H-1H NOESY 1.5 ug/uL DNA-COLIBACTIN, 10 mM TRIS, 10 mM sodium chloride 100% D2O 10 mM Tris 10 mM Nacl mM 8.2 1 bar 278 Bruker AVANCE II 700
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE II 700
NMR Refinement Method Details Software simulated annealing X-PLOR NIH
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 50 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 structure calculation CYANA Guntert, Mumenthaler and Wuthrich 2 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 3 chemical shift assignment NMRFx Bruce Johnson