X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 2-6% TERT-BUTANOL, 0.1M TRIS (PH 8.5), 30-50% MPD OR PEG400

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.66 α = 90
b = 88.66 β = 90
c = 88.66 γ = 90
Symmetry
Space Group P 21 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID23-1 -- ESRF ID23-1

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
2.8 44.33 99.9 0.07 -- -- 6.0 -- 5949 -- 2.0 --
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)
2.8 2.95 100.0 0.75 -- 4.7 6.1 --

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 2.8 39.65 -- -- -- 5457 477 99.83 -- 0.21999 0.21648 0.26362 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 2.801 2.873 -- 43 397 0.279 0.343 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 50.523
Anisotropic B[1][1] -4.4
Anisotropic B[1][2] 4.44
Anisotropic B[1][3] -2.19
Anisotropic B[2][2] 8.02
Anisotropic B[2][3] -5.24
Anisotropic B[3][3] -3.62
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 3.994
r_chiral_restr 0.047
r_angle_refined_deg 1.021
r_dihedral_angle_2_deg 28.683
r_bond_refined_d 0.004
r_mcbond_it 0.576
r_dihedral_angle_3_deg 14.163
r_scbond_it 0.388
r_dihedral_angle_4_deg 19.736
r_gen_planes_refined 0.003
r_mcangle_it 1.074
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1309
Nucleic Acid Atoms 0
Heterogen Atoms 36
Solvent Atoms 64

Software

Software
Software Name Purpose
REFMAC refinement version: 5.7.0032
iMOSFLM data reduction
SCALA data scaling
MOLREP phasing