X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 0.1 M HEPES PH 7.5, 0.2 M MAGNESIUM NITRATE,8-16% (W/V) PEG 3350

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.65 α = 90
b = 88.65 β = 90
c = 88.9 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2005-09-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 -- SRS PX14.1

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
2.7 39.65 98.7 0.07 -- -- 4.3 -- 11261 -- 2.0 --
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)
2.7 2.85 100.0 0.53 -- 2.8 4.3 --

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 2.7 76.7 -- -- -- 10709 541 98.4 -- 0.207 0.204 0.271 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 2.7 2.77 -- 45 787 0.415 0.431 -- 99.76
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 55.19
Anisotropic B[1][1] 1.3
Anisotropic B[1][2] 0.65
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.3
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.95
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.92
r_scbond_it 2.511
r_mcangle_it 1.569
r_mcbond_it 0.96
r_nbd_refined 0.263
r_gen_planes_refined 0.007
r_chiral_restr 0.126
r_dihedral_angle_4_deg 21.37
r_dihedral_angle_3_deg 24.36
r_dihedral_angle_2_deg 37.159
r_dihedral_angle_1_deg 7.074
r_angle_refined_deg 2.226
r_nbtor_refined 0.325
r_xyhbond_nbd_refined 0.22
r_metal_ion_refined 0.31
r_symmetry_vdw_refined 0.299
r_symmetry_hbond_refined 0.358
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2152
Nucleic Acid Atoms 0
Heterogen Atoms 23
Solvent Atoms 45

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.2.0019 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019 refinement
PHASER model building