X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch Under Oil
pH 6.5
Temperature 293.0
Details PEG 1500, Potassium Chloride, Glycerol, Sodium Cacodylate, pH 6.5, microbatch under oil, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.46 α = 90
b = 71.08 β = 90
c = 216.13 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-05-16
Diffraction Radiation
Monochromator Protocol
Silicon MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.3.1 1.127, 0.9796 ALS 8.3.1

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
1.8 30 89.5 0.061 0.061 -- 6.7 76036 75706 0.0 0.0 27.502
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)
1.8 1.86 72.7 0.43 0.43 2.8 4.9 6077

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 1.8 29.75 0.43 0.0 76036 69319 6385 89.65 0.20866 0.20866 0.20566 0.24147 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 1.8 1.847 -- 374 4017 0.269 0.286 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.666
Anisotropic B[1][1] 1.93
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.53
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.192
r_gen_planes_refined 0.004
r_chiral_restr 0.074
r_dihedral_angle_1_deg 5.832
r_angle_refined_deg 0.966
r_bond_refined_d 0.009
r_xyhbond_nbd_refined 0.107
r_symmetry_vdw_refined 0.199
r_symmetry_hbond_refined 0.111
r_mcbond_it 0.447
r_mcangle_it 0.861
r_scbond_it 1.733
r_scangle_it 2.574
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6083
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 745

Software

Computing
Computing Package Purpose
DCS Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE/RESOLVE Structure Solution
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement