5T33

Crystal structure of strain-specific glycan-dependent CD4 binding site-directed neutralizing antibody CAP257-RH1, in complex with HIV-1 strain RHPA gp120 core with an oligomannose N276 glycan.


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5298.150.1M HEPES (pH7.5) 8% PEG4000 10% Isopropanol 200U/mL Endo H 25% 2-Methyl-2,4-pentanediol as cryoprotectant
Crystal Properties
Matthews coefficientSolvent content
2.6753.88

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 68.176α = 90
b = 71.139β = 90
c = 190.596γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2014-08-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.0APS22-ID

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
13.25081.90.1029.63.51300390.23
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.23.2733.10.3810.7662.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation 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 REPLACEMENTFREE R-VALUE4JZZ, 4HPY, 1NL03.209247.6581.351296764681.990.23080.22870.2689116.9047
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_d8.248
f_angle_d0.563
f_chiral_restr0.041
f_plane_restr0.003
f_bond_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5801
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms533

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data collection
HKL-2000data scaling
PHASERphasing
PDB_EXTRACTdata extraction