3MLZ

Crystal structure of anti-HIV-1 V3 Fab 3074 in complex with a VI191 V3 peptide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52961.49 M NH4 sulfate, 0.1 M NaCl, 0.1 M Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Crystal Properties
Matthews coefficientSolvent content
2.652.68

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 100.413α = 90
b = 100.413β = 90
c = 177.757γ = 120
Symmetry
Space GroupP 65 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4a KOHZU double crystal monochromator with a sagittally focused second crystal. Two spherical mirrors, one will be rhodium coated. User choice of either mirror depending on the desired energy2007-07-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X4A0.9791NSLSX4A

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
12.99501000.1627.411328
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.993.111000.4941097

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.9948.971127753899.790.1980.1910.33RANDOM46.504
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
r_dihedral_angle_2_deg35.584
r_dihedral_angle_3_deg20.494
r_dihedral_angle_4_deg15.749
r_dihedral_angle_1_deg8.008
r_scangle_it2.525
r_angle_refined_deg1.646
r_scbond_it1.392
r_mcangle_it1.259
r_mcbond_it0.679
r_chiral_restr0.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.584
r_dihedral_angle_3_deg20.494
r_dihedral_angle_4_deg15.749
r_dihedral_angle_1_deg8.008
r_scangle_it2.525
r_angle_refined_deg1.646
r_scbond_it1.392
r_mcangle_it1.259
r_mcbond_it0.679
r_chiral_restr0.1
r_bond_refined_d0.013
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3475
Nucleic Acid Atoms
Solvent Atoms188
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
HKL-2000data reduction
MOLREPphasing