X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 2.1 M AMMONIUM SULFATE, 100 MM MES PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 155.24 α = 90
b = 155.24 β = 90
c = 127.25 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2007-09-09
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
2.1 55.1 99.6 0.1 -- -- 6.9 -- 45258 -- 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)
2.1 2.2 99.6 0.36 -- 3.4 5.9 --

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 2.1 55.05 -- -- -- 43897 1358 100.0 -- 0.21492 0.21295 0.27608 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 2.1 2.155 -- 98 3164 0.344 0.342 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.376
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 22.465
r_dihedral_angle_1_deg 8.586
r_scbond_it 4.271
r_chiral_restr 0.229
r_scangle_it 6.15
r_angle_refined_deg 2.897
r_dihedral_angle_2_deg 38.0
r_dihedral_angle_3_deg 19.702
r_bond_refined_d 0.033
r_gen_planes_refined 0.015
r_mcbond_it 1.637
r_mcangle_it 2.726
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4192
Nucleic Acid Atoms 0
Heterogen Atoms 165
Solvent Atoms 384

Software

Software
Software Name Purpose
REFMAC refinement version: 5.4.0069
XDS data reduction
XSCALE data scaling
XDS phasing