X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 20% PEG6000, 0.1M TRIS(PH7.5), 20% GRYCEROL, 0.2M NACL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.23 α = 90
b = 84.6 β = 94.1
c = 41.11 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE -- BENT MIRROR 1997-12-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-18B -- PHOTON FACTORY BL-18B

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
1.2 30 86.6 0.028 -- -- 4.9 -- 68514 -- 1.0 --
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)
1.2 1.22 60.6 0.163 -- 2.0 -- --

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
MIR 1.3 8.0 -- 0.0 51465 51465 5694 82.63 -- 0.1503 -- 0.1819 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.03
s_bond_d 0.014
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1852
Nucleic Acid Atoms 0
Heterogen Atoms 62
Solvent Atoms 200

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
MLPHARE model building