X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Hanging Drop
pH 7.5
Temperature 298.0
Details 15% PEG 3350, 0.15 M CaCl2, 5% glycerol, 0.005M DTT, pH 7.5, hanging drop, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 140.16 α = 90
b = 71.75 β = 112.53
c = 127.42 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 2008-03-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 24-ID-C 0.98322 APS 24-ID-C

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
1.95 51.57 99.0 0.072 -- -- 3.6 -- 84496 -- -- --
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)
1.95 1.98 96.3 0.617 -- -- 3.1 4090

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
-- 2.0 51.57 -- 0.0 -- 75523 1551 95.71 -- 0.206 0.205 0.253 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 2.0 2.052 -- 101 4886 0.23 0.284 -- 86.96
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 58.903
Anisotropic B[1][1] -0.14
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.26
Anisotropic B[2][2] -0.08
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.43
RMS Deviations
Key Refinement Restraint Deviation
r_mcbond_it 0.71
r_dihedral_angle_4_deg 21.586
r_angle_refined_deg 1.958
r_chiral_restr 0.147
r_dihedral_angle_3_deg 18.786
r_mcangle_it 1.298
r_scangle_it 3.262
r_gen_planes_refined 0.008
r_dihedral_angle_2_deg 38.752
r_bond_refined_d 0.016
r_dihedral_angle_1_deg 20.019
r_scbond_it 2.339
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6002
Nucleic Acid Atoms 892
Heterogen Atoms 64
Solvent Atoms 737

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
REFMAC refinement
PDB_EXTRACT data extraction version: 3.006