X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details PROTEIN AT 10 MG/ML IN 10MM HEPES/HCL PH7.4, 15MM NACL WELL BUFFER CONTAINING 50MM AMMONIUM ACETATE, 12% PEG 3350, 100MM HEPES/HCL PH 7.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.33 α = 90
b = 71.12 β = 90
c = 72.19 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 300 mm plate MIRROR 1998-05-21
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.5 -- SRS PX9.5

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 95.2 0.092 -- -- 3.9 -- 18076 -- 0.0 --
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)
2.0 2.1 96.8 0.39 -- 2.26 -- --

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
OTHER 2.0 20.0 -- 0.0 -- 19547 -- 96.0 -- -- 0.18 0.25 RANDOM 10%
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.016
p_angle_d 0.042
p_planar_d 0.046
p_chiral_restr 0.144
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2338
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 206

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
REFMAC model building