X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.4
Details 25 % PEG 3350, 16% GLYCEROL, 130 MM NA CACODYLATE, PH 6.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.07 α = 90
b = 46.17 β = 91.94
c = 62.9 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 ADSC MIRROR 2000-04-15
Diffraction Radiation
Monochromator Protocol
SI(111), SI(311) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
1.4 24 97.5 0.079 -- -- 4.45 -- 50436 -- 0.0 --
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)
1.4 1.45 96.4 0.23 -- 4.0 4.0 --

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 1.4 24.77 -- -- -- 47744 2549 97.5 -- 0.143 0.141 0.173 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 1.4 1.44 -- 192 3396 0.153 0.198 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.01
Anisotropic B[1][1] 0.08
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.01
Anisotropic B[2][2] 0.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.11
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.216
r_gen_planes_other 0.001
r_gen_planes_refined 0.003
r_chiral_restr 0.208
r_dihedral_angle_1_deg 6.395
r_angle_other_deg 1.883
r_angle_refined_deg 1.712
r_bond_other_d 0.002
r_bond_refined_d 0.016
r_nbd_other 0.264
r_nbtor_other 0.088
r_xyhbond_nbd_refined 0.169
r_symmetry_vdw_refined 0.161
r_symmetry_vdw_other 0.315
r_symmetry_hbond_refined 0.209
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1900
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 360

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5.1.27 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.27 refinement
CNS model building