2KZ1 | pdb_00002kz1

Inter-molecular interactions in a 44 kDa interferon-receptor complex detected by asymmetric back-protonation and 2D NOESY


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D 1H-1H NOESY0.25 mM [U-99% 2H] Interferon alpha, 0.25 mM [U-99% 2H] Soluble IFN alpha/beta receptor, 25 mM [U-2H] TRIS, 0.02 % sodium azide100% D2O258.0ambient305
22D 1H-1H NOESY0.25 MM [U-99% 2H, 1H-K,R,L,A,M] INTERFERON ALPHA2, 0.25 MM [U-99% 2H, 1H-H,F,W] SOLUBLE IFN ALPHA/BETA RECEPTOR, 25 mM [U-2H] TRIS, 0.02 % sodium azide100% D2O258.0ambient305
32D 1H-1H NOESY0.25 MM [U-99% 2H, 1H-L] INTERFERON ALPHA2, 0.25 MM [U-99% 2H, 1H-H,W] SOLUBLE IFN ALPHA/BETA RECEPTOR, 25 mM [U-2H] TRIS, 0.02 % sodium azide100% D2O258.0ambient305
43D 15N NOESY0.25 MM [15N] INTERFERON ALPHA2, 0.25 MM [1H] SOLUBLE IFN ALPHA/BETA RECEPTOR, 25 mM [U-2H] TRIS, 0.02 % sodium azide95% H2O/5% D2O258.0ambient305
53D 15N NOESY0.25 MM [1H] INTERFERON ALPHA2, 0.25 MM [15N] SOLUBLE IFN ALPHA/BETA RECEPTOR, 25 mM [U-2H] TRIS, 0.02 % sodium azide95% H2O/5% D2O258.0ambient305
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerDRX800
NMR Refinement
MethodDetailsSoftware
simulated annealing, molecular dynamics1000 CONFORMERS WERE OBTAINED IN THE RIGID BODY DOCKING AND 200 BEST CONFORMERS WERE SELECTED FOR SEMI-FLEXIBLE SIMULATED ANNEALING FOLLOWED BY REFINEMENT IN WATERHADDOCK
NMR Ensemble Information
Conformer Selection Criteriastructures with the lowest energy
Conformers Calculated Total Number200
Conformers Submitted Total Number10
Representative Model1 (closest to the average)
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1processingNMRPipe2.3Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2refinementHADDOCK2.0Dominguez et al.
3collectionXwinNMR3Bruker Biospin
4data analysisNMRView5.2.2Johnson, One Moon Scientific