X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details TYPE II CRYSTALS: 35 - 45 % 2-METHYL-2,4-PENTANDIOL 50 MM MOPS / 50 MM ETHANOLAMINE PH IN THE RANGE 6.50 TO 8.75

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.9 α = 90
b = 89 β = 108.93
c = 50.7 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1993-08-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.5 -- SRS PX9.5

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
1.8 40 100.0 0.069 -- -- 3.8 -- 187670 -- -- --

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
MIR 1.8 10.0 -- 0.0 -- 43201 -- 99.0 -- -- 0.179 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.8
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 31.0
p_staggered_tor 12.7
p_planar_tor 3.3
p_xyhbond_nbd 0.097
p_multtor_nbd 0.231
p_bond_d 0.005
p_angle_d 0.019
p_planar_d 0.016
p_mcbond_it 0.676
p_mcangle_it 1.158
p_scbond_it 0.964
p_scangle_it 1.543
p_plane_restr 0.017
p_chiral_restr 0.078
p_singtor_nbd 0.172
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3066
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 209

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement