X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6
Temperature 298.0
Details PEG4K, ammonium sulfate, MES, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 31.86 α = 90
b = 48.45 β = 103.36
c = 44.97 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 4 mirror 2002-10-07
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 0.9800 NSLS X8C

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
1.45 20 -- 0.042 -- -- -- -- 23798 -- -- --
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)
1.45 1.5 -- 0.228 -- -- -- 2278

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 1.45 20.0 -- 0.0 -- 22304 1211 98.82 -- 0.17358 0.17272 0.1886 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 1.448 1.486 -- 90 1554 0.182 0.205 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 12.199
Anisotropic B[1][1] -0.36
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.17
Anisotropic B[2][2] -0.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.47
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 2.372
r_mcbond_it 0.788
r_xyhbond_nbd_refined 0.156
r_bond_other_d 0.002
r_angle_refined_deg 1.247
r_dihedral_angle_1_deg 5.146
r_nbd_refined 0.229
r_chiral_restr 0.081
r_gen_planes_refined 0.009
r_symmetry_vdw_other 0.276
r_symmetry_hbond_refined 0.054
r_symmetry_vdw_refined 0.071
r_bond_refined_d 0.02
r_angle_other_deg 0.78
r_mcangle_it 1.446
r_scangle_it 3.554
r_gen_planes_other 0.013
r_nbd_other 0.218
r_nbtor_other 0.083
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1058
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 136

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.19
DENZO data reduction
SCALEPACK data scaling
DM phasing