X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Temperature 297.0
Details PEG 4000, NH4OAc, pH 4.6, MICROBATCH, temperature 297K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.38 α = 90
b = 156.01 β = 90
c = 164.57 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 Nonius Kappa CCD MIRRORS 2007-11-06
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE OTHER -- -- --

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
2.7 30 99.7 0.08 0.08 -- 4.7 -- 41385 -- 0.0 34.8
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)
2.7 2.8 99.9 0.299 0.299 4.41 3.17 --

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
FOURIER SYNTHESIS 2.7 29.18 -- 0.0 41385 41385 2081 99.7 -- 0.205 0.205 0.256 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ISOTROPIC
Mean Isotropic B 44.15
Anisotropic B[1][1] -17.649
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.115
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 14.534
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.7
c_scbond_it 1.771
c_mcangle_it 2.456
c_mcbond_it 1.406
c_improper_angle_d 0.75
c_bond_d 0.225
c_angle_deg 1.9
c_dihedral_angle_d 22.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Sigma A (Observed) 0.39
Luzzati Resolution Cutoff (Low) 4.0
Luzzati ESD (R-Free Set) 0.42
Luzzati Sigma A (R-Free Set) 0.52
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9089
Nucleic Acid Atoms 0
Heterogen Atoms 172
Solvent Atoms 249

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
pdb_extract version: 3.006 data extraction
CNS refinement
HKL data processing