X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details 30% PEG-8000, 100MM MES, 50MM CITRIC ACID, PH 4.0 VAPOUR DIFFUSION. PROTEIN CONCENTRATION 7 MG./ML

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.86 α = 90
b = 61.38 β = 96.19
c = 53.33 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI -- 2000-04-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6A -- PHOTON FACTORY BL-6A

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
1.5 52.7 76.5 0.056 0.056 -- 2.1 -- 33706 -- -- 11.0
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)
1.5 1.53 70.7 0.203 0.203 3.1 2.0 --

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 1.5 52.7 -- 0.0 -- 32036 1665 76.0 -- 0.182 0.182 0.217 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 11.0
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 30.6
p_staggered_tor 14.5
p_planar_tor 4.1
p_xyhbond_nbd 0.129
p_multtor_nbd 0.249
p_bond_d 0.009
p_angle_d 0.027
p_planar_d 0.031
p_mcbond_it 1.123
p_mcangle_it 1.64
p_scbond_it 1.825
p_scangle_it 2.699
p_singtor_nbd 0.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2322
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 179

Software

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