X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details PROTEIN WAS CRYSTALLIZED FROM 2.1 M AMMONIUM SULFATE, 100 MM MES BUFFER PH 6.5. THEN SOAKED IN 20% GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 155.95 α = 90
b = 155.95 β = 90
c = 127.9 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 63
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 225 mm CCD -- 2010-02-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID23-2 -- ESRF ID23-2

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
2.4 110.27 99.7 0.09 -- -- 8.8 -- 29874 -- -3.0 --
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 2.55 99.8 0.34 -- 5.2 9.0 --

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 2.4 110.27 -- -- -- 29428 1563 99.55 -- 0.1707 0.16808 0.22117 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 2.398 2.46 -- 94 2123 0.206 0.265 -- 97.54
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.713
Anisotropic B[1][1] 0.27
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.27
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.54
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_2_deg 36.941
r_angle_refined_deg 1.998
r_mcangle_it 2.045
r_dihedral_angle_4_deg 17.911
r_dihedral_angle_3_deg 16.86
r_dihedral_angle_1_deg 7.099
r_gen_planes_refined 0.01
r_mcbond_it 1.122
r_scangle_it 5.261
r_bond_refined_d 0.023
r_scbond_it 3.31
r_chiral_restr 0.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4207
Nucleic Acid Atoms 0
Heterogen Atoms 175
Solvent Atoms 356

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0109
XDS data reduction