2NXY

HIV-1 gp120 Envelope Glycoprotein(S334A) Complexed with CD4 and Antibody 17b


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1G9Cpdb entry 1G9C

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.62987.0 % PEG 8000, 7.5 % 1,6-Hexanediol, 100 mM Na Citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.9858.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 71.346α = 90
b = 88.095β = 90
c = 195.981γ = 90
Symmetry
Space GroupP 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 225 mm2003-06-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-IDAPS22-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
125098.10.164.15.68446782862-3
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)
122.0791.30.7352.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTpdb entry 1G9C235.018463273169388091.040.183080.180530.23123RANDOM34.147
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]
0.22-0.07-0.14
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.389
r_dihedral_angle_4_deg15.565
r_dihedral_angle_3_deg13.418
r_dihedral_angle_1_deg5.057
r_mcangle_it1.138
r_scangle_it1.049
r_angle_refined_deg0.916
r_mcbond_it0.71
r_scbond_it0.69
r_nbtor_refined0.319
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.389
r_dihedral_angle_4_deg15.565
r_dihedral_angle_3_deg13.418
r_dihedral_angle_1_deg5.057
r_mcangle_it1.138
r_scangle_it1.049
r_angle_refined_deg0.916
r_mcbond_it0.71
r_scbond_it0.69
r_nbtor_refined0.319
r_symmetry_hbond_refined0.253
r_xyhbond_nbd_refined0.211
r_nbd_refined0.205
r_symmetry_vdw_refined0.171
r_chiral_restr0.059
r_bond_refined_d0.005
r_gen_planes_refined0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7114
Nucleic Acid Atoms
Solvent Atoms806
Heterogen Atoms214

Software

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