X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 100 MM SODIUM CITRATE, PH=5, 14% PEG 8000, 10% GLUCOSE, 5% MPD, 4MG/ML PROTEIN

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.8 α = 90
b = 98.04 β = 90
c = 240.32 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 180
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS 2007-05-10
Diffraction Radiation
Monochromator Protocol
SI (111) CHANNEL-CUT CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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
2 49.02 91.2 0.08 -- -- 6.6 -- 38236 -- 0.0 26.586
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)
2.0 2.11 53.9 0.64 -- 2.0 3.0 --

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 2.0 49.02 -- -- -- 36271 1910 91.12 -- 0.21485 0.21187 0.27208 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 2.0 2.052 -- 51 1073 0.305 0.376 -- 36.74
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.487
Anisotropic B[1][1] 0.09
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.04
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.05
RMS Deviations
Key Refinement Restraint Deviation
r_mcbond_it 1.235
r_dihedral_angle_1_deg 5.437
r_mcangle_it 2.185
r_bond_refined_d 0.011
r_angle_refined_deg 1.217
r_scbond_it 2.228
r_chiral_restr 0.081
r_dihedral_angle_4_deg 17.845
r_scangle_it 3.472
r_dihedral_angle_3_deg 16.398
r_gen_planes_refined 0.006
r_dihedral_angle_2_deg 34.433
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4239
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 362

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0102
XDS data reduction
SCALA data scaling
PHENIX phasing