X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Temperature 293.0
Details 20% PEG 4000, 20% Isopropanol, 0.1M Sodium Citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 5.60

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.86 α = 90
b = 64.02 β = 90
c = 179.41 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
CCD MARRESEARCH -- 2003-03-12
Diffraction Radiation
Monochromator Protocol
SI (220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID -- APS 22-ID

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 97.1 -- 0.089 -- 4.0 -- 43466 -- -3.0 14.0
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 2.07 92.1 -- 0.53 1.47 3.0 --

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
MOLECULAR REPLACEMENT 2.0 20.0 -- 0.0 45963 40962 4108 90.7 -- 0.198 0.198 0.225 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 2.0 2.13 -- 486 4522 0.279 0.311 0.014 66.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 31.7
Anisotropic B[1][1] 1.36
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.79
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.14
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.26
c_scbond_it 2.21
c_mcangle_it 2.25
c_mcbond_it 1.41
c_improper_angle_d 0.86
c_bond_d 0.006
c_angle_deg 1.3
c_dihedral_angle_d 27.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.24
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3481
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 391

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement