X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4.2
Temperature 289.0
Details SODIUM/POTASSIUM PHOSPHATE, PHOSPHATE CITRATE, pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 142.09 α = 90
b = 142.09 β = 90
c = 142.09 γ = 90
Symmetry
Space Group I 21 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-3 -- 2004-06-16
Diffraction Radiation
Monochromator Protocol
double crystal monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.979295 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
1.9 40 99.9 0.101 -- -- 41.5 37577 37525 0.0 0.0 --
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)
1.9 1.94 98.1 0.794 -- 2.49 15.7 2401

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
SAD 1.9 40.0 -- 0.0 37517 37517 1873 99.82 -- 0.15298 0.15243 0.1632 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 1.9 1.949 2694 127 2694 0.15243 0.1632 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.555
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.007
r_symmetry_hbond_refined 0.235
r_scangle_it 4.852
r_gen_planes_other 0.006
r_bond_refined_d 0.014
r_xyhbond_nbd_refined 0.181
r_angle_refined_deg 1.437
r_nbd_other 0.253
r_mcbond_it 0.756
r_symmetry_vdw_refined 0.242
r_mcangle_it 1.471
r_dihedral_angle_1_deg 6.902
r_bond_other_d 0.002
r_angle_other_deg 0.801
r_nbtor_other 0.08
r_chiral_restr 0.087
r_nbd_refined 0.233
r_scbond_it 2.808
r_symmetry_vdw_other 0.217
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1335
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 130

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
HKL-2000 data reduction
SCALEPACK data scaling
SHELXD phasing
RESOLVE phasing