X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 60% METHANOL, pH 4.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 45.9 α = 90
b = 44.8 β = 90
c = 52.9 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 292
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II -- 1992-08-28
Diffraction Radiation
Monochromator Protocol
-- --
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
1.6 10 82.0 0.083 -- -- 6.0 -- 12318 -- 2.0 16.1
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)
1.6 1.8 61.0 -- -- 4.22 -- --

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 1.6 10.0 -- 0.0 12318 12318 -- 82.0 0.15 0.15 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.008
t_gen_planes 0.016
t_trig_c_planes 0.01
t_incorr_chiral_ct 0.0
t_angle_deg 1.925
t_bond_d 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 951
Nucleic Acid Atoms 0
Heterogen Atoms 18
Solvent Atoms 82

Software

Computing
Computing Package Purpose
BIOTEX Data Reduction (intensity integration)
BIOTEX Data Reduction (data scaling)
MERLOT Structure Solution
TNT Structure Refinement
Software
Software Name Purpose
TNT refinement
MERLOT model building
BIOTEX data reduction
BIOTEX data collection