X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 295.0
Details 0.25 M potassium iodide, 1.9 M ammonium sulfate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.91 α = 90
b = 31.38 β = 104.95
c = 52.65 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 210 -- 2010-10-20
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 0.9770 CHESS A1

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
1.8 50 98.8 -- -- -- -- 6954 6871 1.0 1.0 --
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)
1.8 1.83 89.0 -- -- -- -- --

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 1.8 50.83 -- 1.0 6954 6871 335 98.0 0.227 0.22683 0.22479 0.26933 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 1.796 1.842 -- 11 405 0.251 0.491 -- 80.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.608
Anisotropic B[1][1] 1.52
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.44
Anisotropic B[2][2] -1.42
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.16
RMS Deviations
Key Refinement Restraint Deviation
r_mcbond_it 0.586
r_mcangle_it 0.889
r_gen_planes_refined 0.003
r_dihedral_angle_4_deg 10.305
r_scangle_it 2.641
r_nbtor_refined 0.29
r_nbd_refined 0.197
r_dihedral_angle_3_deg 18.705
r_chiral_restr 0.074
r_symmetry_vdw_refined 0.235
r_bond_refined_d 0.009
r_angle_refined_deg 1.113
r_dihedral_angle_2_deg 34.653
r_dihedral_angle_1_deg 4.252
r_symmetry_hbond_refined 0.138
r_scbond_it 1.677
r_xyhbond_nbd_refined 0.102
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 691
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 42

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
PHASER phasing
REFMAC refinement version: 5.2.0019
HKL-2000 data reduction
HKL-2000 data scaling