X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.2
Details 2.0 M AMMONIUM SULFATE 100MM TRIS/HCL PH 8.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 176.5 α = 90
b = 176.5 β = 90
c = 64 γ = 90
Symmetry
Space Group I 4

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 283
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRROR 1995-03
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

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
1.9 44.2 84.7 0.078 -- -- 2.0 -- 65934 -- 0.0 16.2
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)
1.9 1.99 74.4 0.205 -- 5.2 1.5 --

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
MOLECULAR REPLACEMENT 1.9 130.0 -- 0.0 -- 65934 3325 84.7 -- 0.16 0.16 0.193 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.4
RMS Deviations
Key Refinement Restraint Deviation
p_plane_restr 0.024
p_mcangle_it 1.78
p_multtor_nbd 0.249
p_planar_d 0.035
p_special_tor 0.0
p_planar_tor 3.9
p_angle_d 0.029
p_scangle_it 3.09
p_staggered_tor 16.6
p_transverse_tor 34.9
p_chiral_restr 0.135
p_bond_d 0.014
p_mcbond_it 1.26
p_scbond_it 1.55
p_xyhbond_nbd 0.118
p_singtor_nbd 0.174
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6315
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 507

Software

Software
Software Name Purpose
CCP4 model building
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing