X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 293.0
Details PEG MME 5000, MES, DTT, ammonium sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 105.66 α = 90
b = 105.66 β = 90
c = 90.37 γ = 120
Symmetry
Space Group P 32

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- mirrors 2002-09-15
Diffraction Radiation
Monochromator Protocol
graphite MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-ID-B 1.06334, 0.97935, 0.97914, 0.95668 APS 14-ID-B

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
1.85 20 -- 0.059 -- -- 3.1 -- n/a -- 2.0 --
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)
1.85 1.9 -- 0.55 -- -- -- 4088

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
-- 1.85 19.84 -- 2.0 -- 88633 4678 96.98 -- 0.20853 0.20698 0.23822 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 1.85 1.898 -- 209 4088 0.504 0.53 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.19
Anisotropic B[1][1] 0.07
Anisotropic B[1][2] 0.04
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.07
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.11
RMS Deviations
Key Refinement Restraint Deviation
r_nbtor_other 0.089
r_nbd_other 0.258
r_nbd_refined 0.214
r_gen_planes_other 0.008
r_gen_planes_refined 0.008
r_chiral_restr 0.101
r_dihedral_angle_1_deg 6.202
r_angle_other_deg 0.956
r_angle_refined_deg 1.581
r_bond_other_d 0.003
r_bond_refined_d 0.017
r_xyhbond_nbd_refined 0.17
r_symmetry_vdw_refined 0.389
r_symmetry_vdw_other 0.362
r_symmetry_hbond_refined 0.378
r_mcbond_it 1.071
r_mcangle_it 1.954
r_scbond_it 2.791
r_scangle_it 4.362
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7635
Nucleic Acid Atoms 0
Heterogen Atoms 154
Solvent Atoms 507

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5.1.13 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.13 refinement