X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 0.1 M HEPES pH 7.5, 20% w/v PEG 10K, 0.1 M MALTOSE, 10 mM BME

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.12 α = 90.82
b = 53.41 β = 111.73
c = 53.72 γ = 111.32
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-12-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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 87.6 -- 0.06 -- 7.27 -- 27976 -- -- 29.38
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 2.07 55.6 -- 0.313 3.23 1.31 --

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 2.0 20.0 -- 0.0 -- 24473 1221 87.6 -- 0.1991 0.196 0.258 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.3
Anisotropic B[1][1] 1.6
Anisotropic B[1][2] -0.44
Anisotropic B[1][3] -1.64
Anisotropic B[2][2] -1.36
Anisotropic B[2][3] -0.95
Anisotropic B[3][3] -1.8
RMS Deviations
Key Refinement Restraint Deviation
p_scbond_it 1.413
p_mcangle_it 0.973
p_mcbond_it 0.54
p_plane_restr 0.008
p_scangle_it 2.062
p_chiral_restr 0.142
p_bond_d 0.018
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2646
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 319

Software

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