X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 1.2M AMMONIUM SULPHATE, 4% PEG400, 0.1M HEPES PH7.5, ARGON ATMOSPHERE, 11MG/ML PROTEIN WITH 1MM FE(II), 2.5MM AKG AND 2.5MM PEPTIDE, pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 86.26 α = 90
b = 86.26 β = 90
c = 147.91 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2002-05-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 -- SRS PX14.2

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
2.25 38.63 100.0 0.058 -- -- 7.0 -- 27294 -- -- --
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)
2.25 2.37 100.0 0.307 -- 2.5 7.2 --

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 2.25 38.0 -- -- -- 25127 2104 100.0 -- 0.185 0.183 0.217 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 2.25 2.31 -- 170 1783 0.194 0.228 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.23
Anisotropic B[1][1] -0.4
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.8
RMS Deviations
Key Refinement Restraint Deviation
r_angle_other_deg 0.727
r_symmetry_vdw_refined 0.256
r_gen_planes_other 0.002
r_nbd_refined 0.221
r_dihedral_angle_1_deg 4.037
r_chiral_restr 0.085
r_mcbond_it 0.649
r_gen_planes_refined 0.005
r_symmetry_hbond_refined 0.2
r_angle_refined_deg 1.404
r_bond_other_d 0.001
r_xyhbond_nbd_refined 0.156
r_nbd_other 0.204
r_mcangle_it 1.227
r_bond_refined_d 0.013
r_scbond_it 1.887
r_symmetry_vdw_other 0.259
r_scangle_it 3.111
r_dihedral_angle_3_deg 18.189
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2863
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 139

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0
MOSFLM data reduction
SCALA data scaling