X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.7
Details PEG8000, 2-METHYL-2,4- PENTADIOL, AMMONIUM ACETATE, TRIS, pH 8.70

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.57 α = 90
b = 73.99 β = 93.93
c = 59.06 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 CCD -- 2000-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C -- 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
1.7 34.98 92.5 0.041 -- -- 2.85 -- 44254 -- 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)
1.7 1.76 65.3 0.149 -- 5.5 -- --

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 1.7 40.0 -- -- -- 42015 2211 92.5 -- 0.135 0.133 0.176 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 1.7 1.74 -- 108 2163 0.155 0.207 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.47
Anisotropic B[1][1] 0.02
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.25
Anisotropic B[2][2] -0.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.04
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 12.615
r_mcbond_it 1.013
r_symmetry_vdw_refined 0.214
r_dihedral_angle_2_deg 38.783
r_metal_ion_refined 0.081
r_mcangle_it 1.725
r_scbond_it 2.789
r_gen_planes_refined 0.009
r_symmetry_hbond_refined 0.146
r_dihedral_angle_4_deg 16.062
r_scangle_it 4.312
r_dihedral_angle_1_deg 6.922
r_chiral_restr 0.14
r_nbd_refined 0.227
r_angle_refined_deg 1.839
r_bond_refined_d 0.019
r_xyhbond_nbd_refined 0.158
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3784
Nucleic Acid Atoms 0
Heterogen Atoms 196
Solvent Atoms 757

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.08
DENZO data reduction
SCALEPACK data scaling
CNS phasing