X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details Sodium citrate, Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 85.47 α = 90
b = 85.47 β = 90
c = 73.3 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-06-23
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM30A -- ESRF BM30A

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
1.66 25 96.2 0.057 0.045 -- 4.7 165834 165834 -- -- 20.4
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)
1.66 1.75 76.3 0.57 0.44 1.7 4.0 4024

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 1.66 25.0 0.0 0.0 36545 31740 3522 96.2 -- -- 0.17978 0.19681 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.7
RMS Deviations
Key Refinement Restraint Deviation
p_planar_tor 10.1
p_bond_d 0.009
p_singtor_nbd 0.171
p_mcbond_it 1.023
p_plane_restr 0.0213
p_scangle_it 2.729
p_angle_d 0.026
p_xhyhbond_nbd 0.0
p_special_tor 0.0
p_staggered_tor 11.4
p_transverse_tor 28.2
p_chiral_restr 0.13
p_xyhbond_nbd 0.088
p_scbond_it 1.833
p_multtor_nbd 0.231
p_planar_d 0.044
p_mcangle_it 1.555
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1211
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 204

Software

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