3MO1

Crystal structure of the non-neutralizing HIV antibody 13H11 Fab fragment


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7.2298Reservoir: Qiagen AmSO4 suite condition with 2 M ammonium sulfate, 0.2 M ammonium acetate. Drop: 0.5 uL protein + 0.5 uL reservoir., pH 7.2, VAPOR DIFFUSION, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.2745.74

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 90.365α = 90
b = 60.436β = 91.22
c = 80.118γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2009-04-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-BM1.0APS22-BM

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.842.396.60.07313.27401733880722

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT3MNV1.840.050.2538721199796.380.18860.18690.2208
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]
-5.55950.85316.5605-1.001
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.112
f_angle_d1.155
f_chiral_restr0.081
f_bond_d0.009
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3323
Nucleic Acid Atoms
Solvent Atoms345
Heterogen Atoms25

Software

Software
Software NamePurpose
PHENIXmodel building
PHENIXrefinement
d*TREKdata reduction
d*TREKdata scaling
PHENIXphasing