X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 293.0
Details 100 mM MES pH 6.0, 8 % PEG 3350, 3 % Glycerol, 45 mM sodium acetate, 10 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.94 α = 100.99
b = 63.34 β = 89.39
c = 74.18 γ = 90.2
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2007-12-06
Diffraction Radiation
Monochromator Protocol
Double crystal, Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.2.1 0.9774 ALS 8.2.1

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
2.35 50 86.7 -- -- -- -- 32519 28194 0.0 0.0 --
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 2.43 31.9 -- -- -- -- --

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 34.79 -- 0.0 28183 26748 1435 90.34 0.22781 0.22781 0.22483 0.28268 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 -- 71 1230 0.266 0.327 -- 57.29
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 43.649
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.01
Anisotropic B[2][2] -0.03
Anisotropic B[2][3] 0.01
Anisotropic B[3][3] 0.03
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 6.561
r_mcangle_it 1.544
r_scangle_it 3.612
r_scbond_it 2.148
r_dihedral_angle_2_deg 35.709
r_dihedral_angle_4_deg 17.742
r_dihedral_angle_3_deg 16.824
r_chiral_restr 0.096
r_gen_planes_refined 0.007
r_mcbond_it 0.834
r_bond_refined_d 0.014
r_angle_refined_deg 1.467
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4225
Nucleic Acid Atoms 0
Heterogen Atoms 46
Solvent Atoms 113

Software

Software
Software Name Purpose
HKL-2000 data collection
PHASER phasing
REFMAC refinement version: 5.5.0035
HKL-2000 data reduction
SCALEPACK data scaling