X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 292.0
Details PEG 8000, ammonium acetate, isopropanol, Tris, iron sulphate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.93 α = 90
b = 163.95 β = 90
c = 146.46 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 2002-01-29
Diffraction Radiation
Monochromator Protocol
Si 111 MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 0.9785, 0.9790, 1.0000 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
2.4 81.65 99.7 0.063 -- -- -- 173615 37852 0.0 0.0 --
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 2.46 99.4 0.291 -- 2.5 -- --

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 2.4 81.65 0.0 0.0 37852 35985 1896 99.69 0.22317 0.22317 0.22083 0.2678 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 2.4 2.462 2781 147 2634 0.248 0.333 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 23.398
Anisotropic B[1][1] 2.11
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.98
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.09
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.129
r_gen_planes_refined 0.009
r_chiral_restr 0.129
r_dihedral_angle_2_deg 18.741
r_dihedral_angle_1_deg 5.029
r_angle_refined_deg 1.887
r_bond_refined_d 0.018
r_xyhbond_nbd_refined 0.147
r_metal_ion_refined 0.084
r_symmetry_vdw_refined 0.111
r_symmetry_hbond_refined 0.123
r_mcbond_it 0.849
r_mcangle_it 1.533
r_scbond_it 2.44
r_scangle_it 3.669
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6072
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 243

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement