1YKS

Crystal structure of yellow fever virus NS3 helicase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5277PEG 10000, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K
Crystal Properties
Matthews coefficientSolvent content
2.244

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.018α = 90
b = 43.801β = 104
c = 93.069γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152003-11-21MMAD
21
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.9793, 0.9797, 0.9796, 0.9537APS19-ID
2SYNCHROTRONAPS BEAMLINE 23-ID-DAPS23-ID-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.85097.6401973923222
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.81.8693.4

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMAD1.8502392323727019620.1930.238RANDOM
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3382
Nucleic Acid Atoms
Solvent Atoms261
Heterogen Atoms

Software

Software
Software NamePurpose
HKL-2000data collection
SCALEPACKdata scaling
SOLVEphasing
REFMACrefinement
HKL-2000data reduction