X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 1.8-2M AMMONIUM FORMATE, 100MM HEPES, PH 7.5 5MM MGCL2, 10-15% GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 84.35 α = 90
b = 89.19 β = 90
c = 177.23 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 180
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r TOROIDAL FOCUSING MIRROR 2008-10-25
Diffraction Radiation
Monochromator Protocol
CHANNEL-CUT SI (111) CRYSTAL 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
2.29 44.59 97.4 0.07 -- -- 4.5 -- 59482 -- 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)
2.29 2.41 89.3 0.54 -- 2.0 2.9 --

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 2.29 44.6 -- -- -- 56404 3009 97.23 -- 0.22757 0.22485 0.27807 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 2.288 2.347 -- 215 3678 0.307 0.377 -- 87.25
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 48.333
Anisotropic B[1][1] 3.3
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.86
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.44
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 1.813
r_dihedral_angle_4_deg 19.375
r_mcangle_it 1.953
r_chiral_restr 0.078
r_bond_refined_d 0.009
r_dihedral_angle_2_deg 32.209
r_dihedral_angle_3_deg 18.891
r_mcbond_it 1.083
r_angle_refined_deg 1.192
r_scangle_it 2.828
r_dihedral_angle_1_deg 5.467
r_gen_planes_refined 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8689
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 267

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0088
XDS data reduction
SCALA data scaling
PHASER phasing