X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 20% P3350, 0.2 M AMMONIUM IODIDE, pH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.49 α = 90
b = 47.16 β = 90.38
c = 56.36 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS 2004-02-26
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
1.97 23.58 93.6 0.07 -- -- 2.6 -- 19287 -- 0.0 24.5
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)
1.96 2.03 87.9 0.2 -- 2.4 2.4 --

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
MOLECULAR REPLACEMENT 1.97 56.8 -- -- -- 17148 914 93.65 -- 0.17666 0.1736 0.23072 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 1.972 2.023 -- 76 1159 0.214 0.276 -- 87.9
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.188
Anisotropic B[1][1] 2.12
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.41
Anisotropic B[2][2] -1.69
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.45
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 2.667
r_chiral_restr 0.104
r_nbtor_refined 0.304
r_mcangle_it 1.668
r_symmetry_vdw_refined 0.247
r_nbd_refined 0.214
r_xyhbond_nbd_refined 0.194
r_gen_planes_refined 0.006
r_metal_ion_refined 0.174
r_scangle_it 4.06
r_dihedral_angle_3_deg 16.025
r_bond_refined_d 0.016
r_dihedral_angle_1_deg 10.05
r_dihedral_angle_4_deg 11.552
r_mcbond_it 1.038
r_symmetry_hbond_refined 0.167
r_angle_refined_deg 1.52
r_dihedral_angle_2_deg 39.566
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2227
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 291

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0003
HKL-2000 data reduction
HKL-2000 data scaling
MOLREP phasing