X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details CRYSTALLIZATION CONDITIONS: 22-26% PEG 4000, 50 MM HEPES PH 8.0, 50 MM MGCL2, 12 MG PROTEIN

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.73 α = 90
b = 62.82 β = 90
c = 70.52 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV MIRRORS --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R -- -- --

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 99.0 0.075 -- -- 4.0 -- 16011 -- 2.0 23.3
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 2.05 94.0 -- -- -- -- --

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 2.0 20.0 -- -- -- 16011 -- 99.0 -- -- 0.186 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT
RMS Deviations
Key Refinement Restraint Deviation
t_angle_deg 2.1
t_dihedral_angle_d 19.18
t_gen_planes 0.012
t_incorr_chiral_ct 0.0
t_it 3.72
t_bond_d 0.009
t_nbd 0.023
t_trig_c_planes 0.005
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1737
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 99

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
TNT Structure Solution
TNT V. 5-F Structure Refinement
Software
Software Name Purpose
TNT model building
TNT version: 5F refinement