X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop Nanodrop
pH 6.7
Temperature 277.0
Details 0.2 M Potassium Sulfate, 20% w/v/ PEG 3350, pH6.7, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 84.75 α = 90
b = 84.75 β = 90
c = 280.68 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2003-06-25
Diffraction Radiation
Monochromator Protocol
Single crystal, cylindrically bent, Si(220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.3 -- ALS 5.0.3

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
2.1 50 100.0 -- 0.068 -- 5.57 33188 33188 -- -- 46.92
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)
2.1 2.18 61.61 -- 0.511 2.57 3.86 2163

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 2.1 35.19 -- -- -- 31388 1676 92.1 -- 0.1842 0.18107 0.24421 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 2.1 2.155 -- 80 1487 0.286 0.412 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ISOTROPIC
Mean Isotropic B 42.889
Anisotropic B[1][1] -1.56
Anisotropic B[1][2] -0.78
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.56
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.34
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 1.349
r_dihedral_angle_2_deg 37.637
r_xyhbond_nbd_refined 0.214
r_scbond_it 2.215
r_nbd_refined 0.227
r_gen_planes_refined 0.006
r_mcbond_it 0.945
r_chiral_restr 0.094
r_symmetry_vdw_other 0.312
r_nbd_other 0.19
r_angle_other_deg 0.878
r_symmetry_hbond_refined 0.29
r_scangle_it 3.403
r_bond_refined_d 0.018
r_bond_other_d 0.001
r_gen_planes_other 0.001
r_nbtor_other 0.093
r_angle_refined_deg 1.69
r_dihedral_angle_1_deg 6.666
r_dihedral_angle_4_deg 14.719
r_dihedral_angle_3_deg 17.419
r_symmetry_vdw_refined 0.287
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3362
Nucleic Acid Atoms 0
Heterogen Atoms 31
Solvent Atoms 323

Software

Software
Software Name Purpose
HKL-2000 data collection
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing
REFMAC refinement version: 5.1.9999
HKL-2000 data reduction