X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 1.2M KNA TARTRATE, 0.1M HEPES 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 144.62 α = 90
b = 144.62 β = 90
c = 144.62 γ = 90
Symmetry
Space Group I 2 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2005-12-03
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-ID

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
2.74 50 99.9 0.06 -- -- 7.2 -- 13390 -- -3.0 --
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)
2.74 2.95 100.0 0.37 -- 6.1 7.4 --

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 2.74 24.8 -- -- -- 12395 940 99.9 -- 0.2 0.196 0.255 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 2.74 2.81 -- 74 863 0.307 0.347 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 56.3
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 2.116
r_dihedral_angle_3_deg 20.532
r_symmetry_hbond_refined 0.128
r_angle_refined_deg 1.785
r_scangle_it 3.902
r_bond_refined_d 0.017
r_dihedral_angle_4_deg 14.181
r_xyhbond_nbd_refined 0.206
r_dihedral_angle_2_deg 40.323
r_dihedral_angle_1_deg 6.375
r_scbond_it 2.361
r_nbtor_refined 0.331
r_nbd_refined 0.26
r_chiral_restr 0.12
r_gen_planes_refined 0.007
r_symmetry_vdw_refined 0.19
r_mcbond_it 1.138
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2442
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 65

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
HKL-2000 data reduction
HKL-2000 data scaling
PHASER phasing