X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details pH 5.60

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 134 α = 90
b = 49.19 β = 94.63
c = 233.88 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-07-15
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL SI(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 0.93, 0.98 ESRF ID29

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
3.1 30 97.3 0.068 -- -- 2.3 -- 45940 -- -- 68.0
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 3.27 97.3 0.306 -- 3.0 2.3 --

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
MAD 3.1 100.0 -- 0.0 -- 51643 2561 97.3 -- 0.25 0.25 0.272 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 74.0
Anisotropic B[1][1] -1.367
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -25.303
Anisotropic B[2][2] -12.378
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 13.746
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 2.389
c_mcbond_it 1.317
c_bond_d 0.009
c_angle_deg 1.395
c_mcangle_it 1.678
c_scangle_it 2.853
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12396
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
CNS phasing version: 1.0
SnB phasing
CNS refinement version: 1.0