X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5
Details 25 MG/ML PPE, 17.5 MG/ML N-AC-NPI- CO2H, 50MM SODIUM ACETATE PH5.0, 25 MM SODIUM SULPHATE, 20 C, PH 5.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.18 α = 90
b = 57.78 β = 90
c = 74.41 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
CCD MARRESEARCH FOCUSING MIRRORS 2000-07-15
Diffraction Radiation
Monochromator Protocol
DIAMOND CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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
0.94 26.93 92.7 0.043 -- -- 2.8 -- 128075 -- -- --
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)
0.94 0.97 60.9 0.347 -- 2.1 1.3 --

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 0.94 26.93 -- 0.0 121580 -- 6432 92.7 0.122 0.122 -- 0.147 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.025
s_bond_d 0.016
Coordinate Error
Parameter Value
Number Disordered Residues 44.0
Occupancy Sum Hydrogen 1686.0
Occupancy Sum Non Hydrogen 2094.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1848
Nucleic Acid Atoms 0
Heterogen Atoms 11
Solvent Atoms 331

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
CNS model building