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_plane_restr 0.0213
p_multtor_nbd 0.231
p_special_tor 0.0
p_scbond_it 1.833
p_bond_d 0.009
p_scangle_it 2.729
p_angle_d 0.026
p_chiral_restr 0.13
p_mcbond_it 1.023
p_transverse_tor 28.2
p_xhyhbond_nbd 0.0
p_xyhbond_nbd 0.088
p_staggered_tor 11.4
p_singtor_nbd 0.171
p_planar_tor 10.1
p_mcangle_it 1.555
p_planar_d 0.044
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1214
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 204

Software

Software
Software Name Purpose
SOLVE phasing
REFMAC refinement
DENZO data reduction
CCP4 data scaling version: (SCALA)