1Q3Z | pdb_00001q3z

NMR structure of the Cys28His mutant (E form) of the nucleocapsid protein NCp7 of HIV-1.


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D TOCSY2 mM His28(12-53)NCp7 90% H2O, 10% D2O with 3 equivalents of zinc90% H2O, 10% D2O, pH 6.6 from 278K to 323K6 mM ZnSO46.6ambient278
22D NOESY2 mM His28(12-53)NCp7 90% H2O, 10% D2O with 3 equivalents of zinc90% H2O, 10% D2O, pH 6.6 from 278K to 323K6 mM ZnSO46.6ambient278
31H-15N HSQC2 mM His28(12-53)NCp7 90% H2O, 10% D2O with 3 equivalents of zinc90% H2O, 10% D2O, pH 6.6 from 278K to 323K6 mM ZnSO46.6ambient278
42D TOCSY2 mM His28(12-53)NCp7 100% D2O with 3 equivalents of zinc100% D2O, pH 6.6 from 278K to 323K6 mM ZnSO46.6ambient278
52D NOESY2 mM His28(12-53)NCp7 100% D2O with 3 equivalents of zinc100% D2O, pH 6.6 from 278K to 323K6 mM ZnSO46.6ambient278
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerAMX600
NMR Refinement
MethodDetailsSoftware
distance geometry, simulated annealing and molecular dynamicsThe structure has been calculated using 339 NOE derived distance restraints.XwinNMR
NMR Ensemble Information
Conformer Selection Criteriastructures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number100
Conformers Submitted Total Number1
Representative Model1 (fewest violations,lowest energy)
Additional NMR Experimental Information
DetailsThe structure was determined using standard 2D homonuclear experiments and 1H-15N HSQC experiments.
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionXwinNMRVersion 3.0Bruker
2processingXwinNMRVersion 3.0Bruker
3data analysisFelixVersion 98.0Accelrys
4refinementX-PLORVersion 3.851Brunger