X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8
Temperature 296.0
Details 18% PEG 1000 and 200 mM Tris, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 296.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.01 α = 90
b = 123.47 β = 90
c = 145.85 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 273
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 325 mm CCD -- 2010-01-14
Diffraction Radiation
Monochromator Protocol
mirror Platinum
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 1.0719, 1.0716, 0.8550 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
2.65 77.24 97.9 -- -- -- -- -- 25742 10.17 2.7 --
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)
2.65 2.719 97.85 0.282 -- 6.9 4.7 25742

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
MAD 2.65 77.24 -- -- 25742 24448 1311 97.85 -- 0.22566 0.22348 0.26711 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 2.65 2.719 -- 84 1539 0.252 0.297 -- 84.49
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 77.892
Anisotropic B[1][1] 0.22
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.53
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.75
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 19.362
r_chiral_restr 0.1
r_scbond_it 2.111
r_angle_refined_deg 1.568
r_dihedral_angle_4_deg 20.847
r_dihedral_angle_2_deg 41.492
r_bond_refined_d 0.016
r_dihedral_angle_1_deg 6.025
r_mcangle_it 1.419
r_gen_planes_refined 0.006
r_mcbond_it 0.819
r_scangle_it 3.705
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6648
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 8

Software

Software
Software Name Purpose
Blu-Ice data collection
SOLVE phasing
REFMAC refinement version: 5.5.0109
MOSFLM data reduction
SCALA data scaling