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 -- 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_scangle_it 3.902
r_scbond_it 2.361
r_mcangle_it 2.116
r_mcbond_it 1.138
r_nbd_refined 0.26
r_gen_planes_refined 0.007
r_chiral_restr 0.12
r_dihedral_angle_4_deg 14.181
r_dihedral_angle_3_deg 20.532
r_dihedral_angle_2_deg 40.323
r_dihedral_angle_1_deg 6.375
r_angle_refined_deg 1.785
r_bond_refined_d 0.017
r_nbtor_refined 0.331
r_xyhbond_nbd_refined 0.206
r_symmetry_vdw_refined 0.19
r_symmetry_hbond_refined 0.128
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

Computing
Computing Package Purpose
HKL2000 Data Reduction (intensity integration)
HKL2000 Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.2.0019 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019 refinement
PHASER model building