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_bond_d 0.006
t_angle_deg 1.75
t_dihedral_angle_d 16.2
t_trig_c_planes 0.006
t_gen_planes 0.008
t_it 3.6
t_nbd 0.016
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

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CCP4 Structure Solution
TNT Structure Refinement
Software
Software Name Purpose
TNT refinement
CCP4 model building