X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion with Slow Evaporation
pH 6.5
Details CRYSTALS WERE OBTAINED BY VAPOR DIFFUSION TOGETHER WITH SLOW EVAPORATION USING 20% PEG 8000 IN 0.1M SODIUM CACODYLATE (PH = 6.5 WITH 0.2 M MAGNESIUM ACETATE., vapor diffusion with slow evaporation

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 30 α = 90
b = 30 β = 90
c = 219 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1996-04-18
Diffraction Radiation
Monochromator Protocol
DIAMOND C(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
2.7 20 96.0 -- 0.049 -- 2.5 -- 3123 -- 0.0 36.0
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)
2.7 3.05 85.0 -- 0.088 1.0 4.0 --

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 2.7 20.0 -- 0.0 3123 3123 3123 96.0 -- -- 0.22 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT
RMS Deviations
Key Refinement Restraint Deviation
t_incorr_chiral_ct 0.0
t_gen_planes 0.012
t_nbd 0.023
t_bond_d 0.016
t_dihedral_angle_d 20.0
t_it 4.99
t_trig_c_planes 0.007
t_angle_deg 2.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 676
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 0

Software

Computing
Computing Package Purpose
FRAMBO, SADIE Data Reduction (intensity integration)
SAINT Data Reduction (data scaling)
MRCHK Structure Solution
TNT V. 5-E Structure Refinement
Software
Software Name Purpose
MRCHK model building
TNT version: 5E refinement