5UKQ

Structure of unliganded anti-gp120 CD4bs antibody DH522.2 Fab


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2930.075 M Tris-HCl pH 8.5, 1.5 M ammonium sulfate, 25% glycerol
Crystal Properties
Matthews coefficientSolvent content
2.6453.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.074α = 90
b = 79.217β = 90
c = 184.745γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93IMAGE PLATERIGAKU RAXIS IV++2016-01-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.54

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (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
12.15096.30.12212.1430338

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE5UKP2.124.3127150179489.270.17730.17360.2295
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.971
f_angle_d1.174
f_chiral_restr0.043
f_bond_d0.008
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3239
Nucleic Acid Atoms
Solvent Atoms263
Heterogen Atoms6

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing