X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.8
Temperature 293.0
Details 12% PEG 20000, 100 mM maleate buffer, 0.1% (w/v) maltotriose, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 104.91 α = 90
b = 52.44 β = 96.42
c = 104.91 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-10-28
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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
3.1 52.2 96.3 0.082 -- -- 2.03 10520 10132 3.0 3.0 65.8
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)
3.1 3.17 96.7 0.24 -- -- 1.4 --

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
MOLECULAR REPLACEMENT 3.1 20.0 0.0 0.0 10476 10095 876 96.3 0.252 0.252 0.239 0.29 random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.5
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 5.237
c_scbond_it 4.057
c_mcangle_it 2.944
c_mcbond_it 2.455
c_improper_angle_d 0.69523
c_dihedral_angle_d 20.6897
c_bond_d 0.003938
c_angle_deg 1.03138
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.42
Luzzati Sigma A (Observed) 0.51
Luzzati Resolution Cutoff (Low) 3.1
Luzzati ESD (R-Free Set) 0.5
Luzzati Sigma A (R-Free Set) 0.63
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4062
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNSSOLVE version: 1.0 refinement
AMORE model building
SCALEPACK data reduction
DENZO data collection