X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 293.0
Details 100 mM tris, 1.6 M ammonium sulfate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.09 α = 90
b = 74 β = 104.56
c = 82 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-11-10
Diffraction Radiation
Monochromator Protocol
YALE MIRRORS MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B 0.8445 EMBL/DESY, HAMBURG BW7B

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 30 99.8 0.055 -- -- 4.4 631096 629834 0.0 0.0 16.8
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 1.69 99.5 0.38 -- 2.0 3.4 --

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 1.6 30.0 0.0 0.0 79329 75340 3989 -- 0.186 0.186 0.186 0.21 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.6 1.61 1532 89 -- 0.169 0.184 -- --
X Ray Diffraction 4.86 5.89 1544 85 -- 0.169 0.184 -- --
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.0096
c_angle_deg 1.56
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4853
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 424

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MLPHARE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
MLPHARE model building