X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN WAS CRYSTALLIZED FROM 0.08% CACL2 / 15% MPD IN 50 MM HEPES BUFFER PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 184.8 α = 90
b = 184.8 β = 90
c = 184.8 γ = 90
Symmetry
Space Group F 4 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
FILM KODAK MIRRORS 1988-11-14
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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 20 94.0 0.076 0.076 -- 7.2 -- 20238 -- 0.0 18.2
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 2.0 90.0 0.567 0.567 2.4 5.3 --

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 1.9 20.0 -- 0.0 18343 18343 -- 94.0 0.186 0.186 0.186 -- --
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.118
t_gen_planes 0.01
t_trig_c_planes 0.006
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 15.192
t_angle_deg 0.713
t_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1413
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 59

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
TNT V. 5-D Structure Refinement
Software
Software Name Purpose
TNT version: 5D refinement