X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details pH 4.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.93 α = 90
b = 45.71 β = 110.5
c = 56.77 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 273
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1995-04-04
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
1.8 20 88.5 0.067 -- -- 6.1 -- 8443 -- 1.0 --

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 1.8 20.0 -- 3.0 -- 8140 -- 85.0 -- -- 0.136 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.12
RMS Deviations
Key Refinement Restraint Deviation
p_scbond_it 3.72
p_mcangle_it 2.567
p_chiral_restr 0.177
p_scangle_it 5.328
p_mcbond_it 1.916
p_transverse_tor 32.4
p_singtor_nbd 0.207
p_multtor_nbd 0.45
p_angle_d 0.046
p_plane_restr 0.018
p_bond_d 0.014
p_planar_d 0.043
p_planar_tor 3.4
p_staggered_tor 19.1
p_xyhbond_nbd 0.382
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 791
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 128

Software

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