X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 278.0
Details 2M Ammonium Sulphate, 0.1M Tris HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 278K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 85.1 α = 90
b = 97.93 β = 90
c = 148.17 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 113
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC Microfocus capillary optics 2001-09-10
Diffraction Radiation
Monochromator Protocol
microfocus capillary optics, unfiltered SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200HB 1.5418 -- --

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
2.55 50 96.8 0.105 -- -- 3.8 41099 39787 1.0 1.0 30.0
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)
2.55 2.67 98.3 0.334 -- 3.6 3.3 4976

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
MIR 2.55 100.0 -- 1.0 41099 39787 3320 96.8 -- -- 0.203 0.243 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 2.55 5.0 39787 3995 -- 0.203 0.243 -- 96.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Restrained individual atomic B-factors
Mean Isotropic B 35.0
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 0.98
c_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8336
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 136

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK, CCP4 (TRUNCATE) Data Reduction (data scaling)
MLPHARE, SIGMAA, UPPSALA AVERAGING PROGRAMS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
Uppsala version: Averaging Programs model building
MLPHARE version: SIGMAA model building