X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details METHOD: VAPOUR DIFFUSION / HANGING DROP, PROTEIN: 10 MG/ML IN 10 MM HEPES PH 7.0, RESEVOIR: 10% PEG 4000, 100 MM MES/TRIS PH 6.0, 100 MM AMMONIUM SULFATE, 10 MM CACL2. CRYSTALS GREW APPROX 2 YEARS AFTER SETUP. TRUE CRYSTALLIZATION CONDITIONS PROBABLY DEVIATE FROM THOSE INDICATED

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 95.92 α = 90
b = 55.88 β = 113.07
c = 97.78 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-08-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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
1.8 25.1 92.0 0.062 -- -- 6.2 -- 50336 -- -- --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.8 1.86 84.3 0.385 -- 3.4 4.5 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.6 91.29 -- -- -- 59440 3170 99.5 -- 0.133 0.131 0.161 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.6 1.64 -- 222 4201 0.206 0.27 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.26
Anisotropic B[1][1] -0.74
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.37
Anisotropic B[2][2] 0.78
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.32
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.315
r_bond_refined_d 0.022
r_mcbond_it 1.321
r_xyhbond_nbd_refined 0.236
r_scbond_it 1.973
r_gen_planes_refined 0.007
r_scangle_it 3.205
r_angle_other_deg 0.857
r_nbd_other 0.265
r_nbtor_other 0.094
r_symmetry_vdw_refined 0.186
r_metal_ion_refined 0.19
r_symmetry_hbond_refined 0.237
r_chiral_restr 0.124
r_mcangle_it 2.143
r_gen_planes_other 0.004
r_angle_refined_deg 1.678
r_symmetry_vdw_other 0.232
r_dihedral_angle_1_deg 6.82
r_bond_other_d 0.002
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3505
Nucleic Acid Atoms 0
Heterogen Atoms 79
Solvent Atoms 702

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
DENZO data reduction
SCALEPACK data scaling
EPMR phasing