X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 0.7-0.85 M POTASSIUM CHLORIDE, 1.1-1.25 M AMMONIUM SULFATE, 40 MM HEPES, PH 7.0, 5 MM DITHIOTHREITOL, 10 MG/ML PROTEIN, 8M SODIUM FORMATE CRYO-PROTECTANT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74 α = 90
b = 134.87 β = 90
c = 147.87 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2003-05-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
2.4 47.14 92.3 0.105 -- -- 2.27 -- 53738 -- 1.0 --
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)
2.4 2.53 80.3 0.28 -- 2.56 1.83 --

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 2.4 100.0 -- -- -- 50989 2717 91.6 -- -- 0.244 0.309 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 2.4 2.46 -- 174 3138 0.322 0.401 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.11
Anisotropic B[1][1] -2.52
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.12
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.648
r_scbond_it 2.25
r_mcangle_it 1.462
r_mcbond_it 0.786
r_nbd_refined 0.251
r_gen_planes_refined 0.006
r_chiral_restr 0.113
r_dihedral_angle_1_deg 6.787
r_angle_refined_deg 1.724
r_bond_refined_d 0.016
r_xyhbond_nbd_refined 0.219
r_symmetry_vdw_refined 0.262
r_symmetry_hbond_refined 0.262
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8918
Nucleic Acid Atoms 0
Heterogen Atoms 67
Solvent Atoms 278

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement