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NMR Structure of Apo-form Human Tear Lipocalin
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 1.0 mM [U-99% 13C; U-99% 15N] Lipocalin, 90 % H2O, 10 % D2O, 50 mM sodium phosphate, 0.04 % sodium azide 90% H2O/10% D2O 50 mM 7.4 1 atm 310 Bruker AVANCE 700 2 2D 1H-13C HSQC 1.0 mM [U-99% 13C; U-99% 15N] Lipocalin, 90 % H2O, 10 % D2O, 50 mM sodium phosphate, 0.04 % sodium azide 90% H2O/10% D2O 50 mM 7.4 1 atm 310 Bruker AVANCE 700 3 3D CBCA(CO)NH 1.0 mM [U-99% 13C; U-99% 15N] Lipocalin, 90 % H2O, 10 % D2O, 50 mM sodium phosphate, 0.04 % sodium azide 90% H2O/10% D2O 50 mM 7.4 1 atm 310 Bruker AVANCE 700 4 3D HNCACB 1.0 mM [U-99% 13C; U-99% 15N] Lipocalin, 90 % H2O, 10 % D2O, 50 mM sodium phosphate, 0.04 % sodium azide 90% H2O/10% D2O 50 mM 7.4 1 atm 310 Bruker AVANCE 700 5 3D HNCO 1.0 mM [U-99% 13C; U-99% 15N] Lipocalin, 90 % H2O, 10 % D2O, 50 mM sodium phosphate, 0.04 % sodium azide 90% H2O/10% D2O 50 mM 7.4 1 atm 310 Bruker AVANCE 700 6 3D HNCACO 1.0 mM [U-99% 13C; U-99% 15N] Lipocalin, 90 % H2O, 10 % D2O, 50 mM sodium phosphate, 0.04 % sodium azide 90% H2O/10% D2O 50 mM 7.4 1 atm 310 Bruker AVANCE 700
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 2 Bruker AVANCE 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 5000 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 2 structure calculation CYANA Guntert, Mumenthaler and Wuthrich 3 chemical shift assignment NMRView Johnson, One Moon Scientific 4 peak picking NMRView Johnson, One Moon Scientific