X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 291.0
Details 27.5% PEG 3350, 16mM sodium citrate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.4 α = 90
b = 87.74 β = 90.73
c = 57.67 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2009-11-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSRRC BEAMLINE BL13B1 1.0 NSRRC BL13B1

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
1.98 30 97.6 0.055 -- -- 24.58 -- 38549 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)
1.98 2.05 97.9 0.368 -- 3.17 3.2 3746

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 1.98 30.0 -- -- -- 35717 1872 97.51 -- 0.23298 0.23076 0.27482 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 1.978 2.029 -- 138 2550 0.256 0.293 -- 96.34
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.981
Anisotropic B[1][1] 1.34
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.91
Anisotropic B[2][2] -0.89
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.41
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 5.896
r_chiral_restr 0.072
r_mcbond_it 3.373
r_dihedral_angle_2_deg 36.935
r_mcangle_it 5.59
r_scbond_it 3.934
r_bond_refined_d 0.012
r_dihedral_angle_4_deg 21.36
r_dihedral_angle_3_deg 14.142
r_gen_planes_refined 0.007
r_angle_refined_deg 1.378
r_scangle_it 6.118
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4356
Nucleic Acid Atoms 0
Heterogen Atoms 82
Solvent Atoms 82

Software

Software
Software Name Purpose
HKL-2000 data collection
MOLREP phasing version: 9.2
REFMAC refinement version: 5.5.0109
HKL-2000 data reduction
SCALEPACK data scaling