X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
Details 20 MM CALCIUM CHLORIDE DIHYDRATE, 20 MM CADMIUM CHLORIDE HYDRATE, 20 MM COBALT CHLORIDE HEXAHYDRATE AND 20% PEG 3350

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.66 α = 90
b = 76.87 β = 90
c = 85.05 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD (MX-325) MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 -- SSRL BL9-2

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
1.9 42.52 99.8 0.06 -- -- 7.2 -- 22181 -- 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)
1.9 2.0 99.7 0.51 -- 3.8 7.2 --

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 1.9 42.5 -- -- -- 21005 1129 99.66 -- 0.2424 0.24015 0.28848 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 1.9 1.949 -- 73 1533 0.306 0.391 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 41.092
Anisotropic B[1][1] -1.64
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.24
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.61
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.013
r_chiral_restr 0.108
r_dihedral_angle_4_deg 26.907
r_dihedral_angle_3_deg 20.624
r_dihedral_angle_2_deg 41.342
r_dihedral_angle_1_deg 7.819
r_angle_refined_deg 1.295
r_bond_refined_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1760
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 51

Software

Computing
Computing Package Purpose
IMOSFLM 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