X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8.5
Temperature 287.0
Details 25% PEG 3350, 0.1M Tris-HCl, 0.1M magnesium chloride hexahydrate, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 287.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 159.47 α = 90
b = 238.58 β = 90
c = 54.47 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ADSC QUANTUM 315r -- 2011-04-13
Diffraction Radiation
Monochromator Protocol
Si(111)double crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRF BEAMLINE BL17U 0.97915 SSRF BL17U

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
2.35 50 -- -- -- -- -- 86788 86788 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)
2.35 2.48 99.9 -- -- -- -- --

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 2.35 49.55 -- -- -- 82253 4316 98.55 -- 0.19084 0.18852 0.23626 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 2.35 2.411 -- 303 6056 0.259 0.302 -- 99.64
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 32.413
Anisotropic B[1][1] 1.35
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.08
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.27
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.285
r_scbond_it 1.348
r_mcangle_it 0.822
r_mcbond_it 0.421
r_gen_planes_refined 0.004
r_chiral_restr 0.087
r_dihedral_angle_4_deg 16.365
r_dihedral_angle_3_deg 15.193
r_dihedral_angle_2_deg 33.456
r_dihedral_angle_1_deg 6.084
r_angle_refined_deg 1.238
r_bond_refined_d 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12593
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 795

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
iMOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.5.0072 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0072 refinement
PHASER model building
ADSC version: Quantum data collection