X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8
Temperature 295.0
Details 18% PEG 8K, 0.1M TrisHCl, 0.2M CaCl2, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 171.91 α = 90
b = 40.67 β = 112.11
c = 73.77 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD RIGAKU SATURN 944 -- 2010-11-02
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418 -- --

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
2.5 50 99.3 -- -- -- -- 16538 16538 2.0 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)
2.5 2.64 96.8 -- -- -- -- --

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 2.51 20.0 -- 2.0 15613 15613 815 99.33 -- 0.24405 0.24015 0.31983 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 2.509 2.573 -- 50 1076 0.366 0.494 -- 93.6
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 46.435
Anisotropic B[1][1] 1.31
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.04
Anisotropic B[2][2] 0.13
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.66
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.008
r_chiral_restr 0.103
r_angle_refined_deg 1.682
r_dihedral_angle_1_deg 8.029
r_dihedral_angle_3_deg 19.691
r_dihedral_angle_4_deg 20.5
r_scbond_it 1.974
r_scangle_it 3.269
r_bond_refined_d 0.016
r_dihedral_angle_2_deg 38.887
r_mcbond_it 0.825
r_mcangle_it 1.534
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3343
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 6

Software

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