X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Details pH 5.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.52 α = 90
b = 135.84 β = 90
c = 61.4 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD PRINCETON 2K MIRRORS 1996-10
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F2 -- CHESS F2

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 -- 90.0 0.068 -- -- 10.0 -- 75578 -- -- 16.3

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 SELENOMET 1.5 20.0 -- 0.0 -- 71679 3816 90.0 -- -- 0.199 0.235 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.5
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 33.0
p_staggered_tor 15.9
p_planar_tor 4.4
p_xyhbond_nbd 0.162
p_multtor_nbd 0.254
p_bond_d 0.015
p_angle_d 0.033
p_planar_d 0.04
p_mcbond_it 1.6
p_mcangle_it 2.1
p_scbond_it 2.5
p_scangle_it 3.9
p_plane_restr 0.026
p_chiral_restr 0.144
p_singtor_nbd 0.178
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4396
Nucleic Acid Atoms 0
Heterogen Atoms 96
Solvent Atoms 407

Software

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