X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.6
Temperature 291.0
Details 100 mM Tris, 1.1 Ammonium Sulphate, 20 mM MgAcetate, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 291.K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.57 α = 90
b = 118.87 β = 90
c = 57.54 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2010-04-22
Diffraction Radiation
Monochromator Protocol
channel cut ESRF monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.97950 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
1.96 42.5 96.9 -- -- -- 7.7 50458 48894 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)
1.96 2.0 92.9 0.307 0.364 3.3 5.8 --

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 1.96 42.5 -- -- 50458 42198 2240 96.9 -- 0.18082 0.17899 0.216 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 1.96 2.011 -- 163 2966 0.239 0.295 -- 93.82
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.806
Anisotropic B[1][1] 1.14
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.26
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.88
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.004
r_dihedral_angle_4_deg 16.092
r_mcbond_it 0.535
r_scbond_it 1.271
r_mcbond_other 0.106
r_dihedral_angle_2_deg 32.595
r_dihedral_angle_3_deg 14.454
r_chiral_restr 0.072
r_bond_other_d 0.003
r_mcangle_it 1.009
r_scangle_it 2.028
r_gen_planes_other 0.001
r_angle_refined_deg 1.16
r_angle_other_deg 0.813
r_dihedral_angle_1_deg 5.155
r_bond_refined_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3974
Nucleic Acid Atoms 0
Heterogen Atoms 112
Solvent Atoms 404

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
MolRep Structure Solution
REFMAC 5.5.0102 Structure Refinement
Software
Software Name Purpose
MolRep model building
REFMAC version: 5.5.0102 refinement
ADSC version: Quantum data collection