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 = 80.44 α = 90
b = 164.08 β = 90
c = 146.33 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 2002-01-30
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 0.9780 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
2.3 24.89 97.0 0.064 -- -- -- 157442 41629 0.0 0.0 42.2
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)
2.3 2.36 98.6 0.235 -- 3.2 -- --

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 2.3 81.65 0.0 0.0 41629 39546 2082 95.99 0.22991 0.22991 0.22751 0.2751 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 2.3 2.36 3080 157 2923 0.284 0.34 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 22.561
Anisotropic B[1][1] 1.78
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.49
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.27
RMS Deviations
Key Refinement Restraint Deviation
r_chiral_restr 0.12
r_mcbond_it 0.556
r_bond_refined_d 0.014
r_xyhbond_nbd_refined 0.139
r_metal_ion_refined 0.205
r_dihedral_angle_1_deg 4.81
r_symmetry_hbond_refined 0.147
r_scangle_it 2.614
r_symmetry_vdw_refined 0.114
r_gen_planes_refined 0.008
r_mcangle_it 0.988
r_angle_refined_deg 1.73
r_dihedral_angle_2_deg 17.968
r_scbond_it 1.686
r_nbd_refined 0.115
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6063
Nucleic Acid Atoms 0
Heterogen Atoms 55
Solvent Atoms 232

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
AMoRE phasing