X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 298.0
Details ammonium sulfate, sorbitol, imidazole, magnesium, DTT, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.8 α = 90
b = 88.7 β = 90
c = 109.9 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 ADSC QUANTUM 4 -- 1998-07-18
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 -- ALS 5.0.2

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
2 20 99.4 0.052 -- -- 3.93 94144 93570 -- -- 25.1
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)
2.0 2.07 98.0 0.307 -- 2.7 2.6 9222

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 2.0 20.0 -- -- 49429 49242 -- 99.6 -- -- -- -- RANDOM, USING HKL SEGREGATE OPTION IN TNT
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT CORRELATED B'S
RMS Deviations
Key Refinement Restraint Deviation
t_angle_deg 2.486
t_dihedral_angle_d 15.96
t_trig_c_planes 0.018
t_gen_planes 0.016
t_bond_d 0.015
t_it 4.59
t_nbd 0.028
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5331
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 345

Software

Software
Software Name Purpose
SHARP phasing
TNT refinement
DENZO data reduction
SCALEPACK data scaling