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 -- 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_scangle_it 4.312
r_scbond_it 2.789
r_mcangle_it 1.725
r_mcbond_it 1.013
r_nbd_refined 0.227
r_gen_planes_refined 0.009
r_chiral_restr 0.14
r_dihedral_angle_4_deg 16.062
r_dihedral_angle_3_deg 12.615
r_dihedral_angle_2_deg 38.783
r_dihedral_angle_1_deg 6.922
r_angle_refined_deg 1.839
r_bond_refined_d 0.019
r_xyhbond_nbd_refined 0.158
r_metal_ion_refined 0.081
r_symmetry_vdw_refined 0.214
r_symmetry_hbond_refined 0.146
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5.1.08 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.08 refinement
CNS model building