X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.2
Details PH 8.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 285.7 α = 90
b = 107.4 β = 90
c = 139.5 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1995-05-04
Diffraction Radiation
Monochromator Protocol
-- --
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
-- -- 86.0 0.079 -- -- 2.6 -- 68961 -- 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)
3.1 3.35 83.0 0.152 -- -- 2.5 --

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 3.1 5.5 -- 0.0 -- 54888 692 -- -- -- 0.177 0.22 --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT
RMS Deviations
Key Refinement Restraint Deviation
t_it 3.6
t_trig_c_planes 0.006
t_gen_planes 0.008
t_dihedral_angle_d 16.2
t_bond_d 0.006
t_nbd 0.016
t_angle_deg 1.75
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 22836
Nucleic Acid Atoms 0
Heterogen Atoms 156
Solvent Atoms 535

Software

Software
Software Name Purpose
CCP4 model building
TNT refinement
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
CCP4 phasing