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CRYSTAL STRUCTURE OF HUMAN CLASS I MHC (HLA-A2.1) COMPLEXED WITH BETA 2-MICROGLOBULIN AND HIV-RT VARIANT PEPTIDE I1Y
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1HHH PDB ENTRY 1HHH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 PROTEIN WAS CRYSTALLIZED IN THE HANGING DROP VAPOR DIFFUSION METHOD. THE
RESERVOIR SOLUTION CONTAINED 18% PEG8000, IN 25MM MES BUFFER, PH6.5. THE
HANGING DROP WAS A 1:1 MIXTURE OF THE RESERVOIR SOLUTION AND THE PROTEIN
SOLUTION WHICH CONTAINED 10MG/ML PROTEIN IN 25MM MES BUFFER, PH6.5., pH 6.50, VAPOR DIFFUSION, HANGING DROP
Crystal Properties Matthews coefficient Solvent content 4 47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.613 α = 81.93 b = 63.591 β = 75.94 c = 75.326 γ = 78
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC 1997-05-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12B NSLS X12B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.2 30 97.9 0.073 9.7 4.9 45024 21.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.2 2.24 96.4 0.231 23.1 2.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1HHH 2.2 15 40341 3600 98 0.244 0.233 0.2312 0.289 0.2696 RANDOM 21.7
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 Key Refinement Restraint Deviation p_transverse_tor 25.9 p_staggered_tor 19.3 p_planar_tor 9.7 p_scangle_it 2.96 p_mcangle_it 2.403 p_scbond_it 1.834 p_mcbond_it 1.434 p_multtor_nbd 0.25 p_xyhbond_nbd 0.19 p_singtor_nbd 0.173
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 25.9 p_staggered_tor 19.3 p_planar_tor 9.7 p_scangle_it 2.96 p_mcangle_it 2.403 p_scbond_it 1.834 p_mcbond_it 1.434 p_multtor_nbd 0.25 p_xyhbond_nbd 0.19 p_singtor_nbd 0.173 p_chiral_restr 0.107 p_planar_d 0.057 p_angle_d 0.034 p_plane_restr 0.022 p_bond_d 0.01 p_angle_deg p_hb_or_metal_coord p_xhyhbond_nbd p_orthonormal_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6316 Nucleic Acid Atoms Solvent Atoms 199 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing REFMAC refinement CCP4 phasing