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 NOG AND 2.5MM PEPTIDE, pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 86.16 α = 90
b = 86.16 β = 90
c = 146.66 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 PX9.6 -- SRS PX9.6

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
2.15 18.17 99.2 0.052 -- -- 6.3 -- 30574 -- -- --
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)
2.15 2.27 96.0 0.331 -- 1.5 3.4 --

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
MAD 2.15 18.5 -- -- -- 28171 2340 99.3 -- 0.18 0.178 0.213 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 2.15 2.21 -- 152 1906 0.222 0.257 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.73
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] 0.55
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.218
r_dihedral_angle_1_deg 4.018
r_angle_refined_deg 1.374
r_symmetry_hbond_refined 0.255
r_bond_refined_d 0.012
r_dihedral_angle_3_deg 17.698
r_symmetry_vdw_refined 0.245
r_symmetry_hbond_other 0.052
r_chiral_restr 0.086
r_gen_planes_refined 0.005
r_xyhbond_nbd_other 0.087
r_gen_planes_other 0.002
r_symmetry_vdw_other 0.248
r_angle_other_deg 0.722
r_bond_other_d 0.001
r_nbd_other 0.204
r_xyhbond_nbd_refined 0.152
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2875
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 194

Software

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