X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 293.0
Details 26 % PEG 400 (w/w), 300 mM CaCl2, 50 mM NaCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP at 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 92.71 α = 90
b = 92.71 β = 90
c = 280.39 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-09-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 0.9324 ESRF ID14-2

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
2.3 40 95.1 0.08 -- -- 2.1 39944 37758 -- 2.0 48.66
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)
2.3 2.37 97.6 0.274 -- 2.8 1.5 1291

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 2.3 40.0 0.0 0.0 37758 33992 3766 94.5 0.2108 0.2108 0.2071 0.244 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 50.13
Anisotropic B[1][1] 0.9
Anisotropic B[1][2] 0.45
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.9
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.35
RMS Deviations
Key Refinement Restraint Deviation
p_hb_or_metal_coord 0.179
p_scangle_it 5.356
p_angle_deg 1.654
p_bond_d 0.012
p_mcangle_it 3.015
p_plane_restr 0.007
p_chiral_restr 0.116
p_mcbond_it 1.737
p_scbond_it 3.565
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6624
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 185

Software

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