X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 291.0
Details 0.2M Ammonium Sulfate, 0.1M BIS-TRIS pH 6.5, 25% w/v Polyethylene glycol 3350, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.39 α = 90
b = 91.39 β = 90
c = 152.29 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2012-01-22
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 0.97 SSRL BL7-1

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
2.9 39.57 99.1 0.068 0.068 -- 13.3 16948 16796 0.0 0.0 77.1
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)
2.898 3.05 94.2 0.744 0.744 1.1 9.3 --

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 2.99 20.0 -- 0.0 14598 14553 774 99.69 0.23561 0.23561 0.23287 0.28624 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 2.99 3.066 1019 58 1019 0.37 0.506 -- 97.38
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 77.186
Anisotropic B[1][1] -1.66
Anisotropic B[1][2] -0.83
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.66
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.5
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.004
r_chiral_restr 0.071
r_dihedral_angle_4_deg 12.837
r_dihedral_angle_3_deg 15.257
r_dihedral_angle_2_deg 32.369
r_dihedral_angle_1_deg 4.85
r_angle_refined_deg 1.02
r_bond_refined_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3610
Nucleic Acid Atoms 0
Heterogen Atoms 126
Solvent Atoms 19

Software

Computing
Computing Package Purpose
BLU-ICE Data Collection
iMOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.5.0102 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0102 refinement
PHASER model building
BLU-ICE data collection