X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 0.1 M LI2SO4, 1.25 M (NH4)2SO4, 0.1 M TRIS HCL PH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 83.92 α = 90
b = 83.92 β = 90
c = 140.95 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD (QUANTUM 315R) ADSC -- 2012-05-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
1.4 36.83 99.7 0.09 -- -- 6.2 -- 99408 -- 2.0 13.7
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)
1.4 1.48 99.3 0.69 -- 2.4 5.0 --

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 1.4 36.27 -- -- -- 94130 4952 99.68 -- 0.11165 0.1104 0.13525 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 1.4 1.436 -- 352 6771 0.243 0.288 -- 98.75
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.522
Anisotropic B[1][1] 0.04
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.04
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.08
RMS Deviations
Key Refinement Restraint Deviation
r_sphericity_bonded 12.522
r_sphericity_free 40.614
r_rigid_bond_restr 3.69
r_mcbond_other 11.304
r_mcbond_it 10.937
r_nbd_refined 0.279
r_gen_planes_other 0.001
r_gen_planes_refined 0.01
r_chiral_restr 0.113
r_dihedral_angle_4_deg 19.155
r_dihedral_angle_3_deg 12.136
r_dihedral_angle_2_deg 30.306
r_dihedral_angle_1_deg 5.334
r_angle_other_deg 0.912
r_angle_refined_deg 1.72
r_bond_other_d 0.002
r_bond_refined_d 0.014
r_nbd_other 0.221
r_nbtor_refined 0.189
r_nbtor_other 0.107
r_xyhbond_nbd_refined 0.188
r_xyhbond_nbd_other 0.091
r_symmetry_vdw_refined 0.311
r_symmetry_vdw_other 0.179
r_symmetry_hbond_refined 0.144
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2346
Nucleic Acid Atoms 0
Heterogen Atoms 57
Solvent Atoms 417

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.7.0029 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.7.0029 refinement
PHASER model building