X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 7.5
Temperature 293.0
Details 0.1M HEPES, 1.4M Tri-sodium citrate dihydrate, pH 7.5, Microbatch, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 64.85 α = 90
b = 136.99 β = 117.99
c = 66.7 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 225 mm CCD bent collimating mirror and toroid 2010-12-24
Diffraction Radiation
Monochromator Protocol
Si(111) monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 1.00 ESRF BM14

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
1.75 68.5 99.1 0.089 -- -- 7.6 103248 102319 2.0 4.1 23.756
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)
1.75 1.84 100.0 0.487 -- 4.1 7.6 15067

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 1.75 68.5 4.1 2.0 103248 97097 5117 99.03 0.19044 0.19044 0.18876 0.2218 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 1.75 1.795 15067 361 7271 0.248 0.292 -- 99.97
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.702
Anisotropic B[1][1] -0.4
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.61
Anisotropic B[2][2] -0.19
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.02
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 2.312
r_dihedral_angle_3_deg 13.156
r_chiral_restr 0.073
r_angle_refined_deg 0.999
r_dihedral_angle_1_deg 4.783
r_mcbond_it 1.236
r_bond_refined_d 0.007
r_dihedral_angle_2_deg 39.75
r_gen_planes_refined 0.003
r_rigid_bond_restr 1.353
r_dihedral_angle_4_deg 20.272
r_scbond_it 2.883
r_scangle_it 4.904
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.2454
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7519
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 410

Software

Software
Software Name Purpose
MAR345dtb data collection
PHASER phasing
REFMAC refinement version: 5.5.0109
MOSFLM data reduction
SCALA data scaling