X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details VAPOR DIFFUSION 20C EQUAL AMOUNTS OF BCK (20 MG/ML IN 50 MM HEPES PH 7.5, 1 M SODIUM CHLORIDE,250 MM POTASSIUM CHLORIDE, 300 MM ARGININE, 20 MM BETA-MERCAPTOETHANOL 2 MM BENZAMIDINE, 2 MM MG-ATPGAMMAS, 2 MM MAGNESIUM CHLORIDE, 0.5 MM PMSF, 10% (W/V) GLYCEROL) AND RESERVOIR (8%(W/V) PEG-6000, 5% (V/V) ETHYLENE GLYCOL, 1 M NACL, 20 MM BETA-MERCAPTOETHANOL)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 127.72 α = 90
b = 127.72 β = 90
c = 74.31 γ = 90
Symmetry
Space Group P 42 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MSC OSMIC MIRROR SYSTEM 2001-04-15
Diffraction Radiation
Monochromator Protocol
OSMIC MIRROR SYSTEM SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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 36.9 99.6 0.053 -- -- 4.6 -- 17401 -- -3.0 70.0
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)
2.7 2.8 96.8 0.533 -- 2.0 3.6 --

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 2.7 36.94 -- 0.0 -- 16665 1430 95.5 -- 0.218 0.218 0.269 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 2.7 2.87 -- 207 2240 0.347 0.369 0.026 85.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 56.6
Anisotropic B[1][1] 2.71
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.71
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.41
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.34
c_scbond_it 2.13
c_mcangle_it 2.48
c_mcbond_it 1.43
c_improper_angle_d 1.11
c_bond_d 0.011
c_angle_deg 1.6
c_dihedral_angle_d 22.1
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Sigma A (Observed) 0.45
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.44
Luzzati Sigma A (R-Free Set) 0.52
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2526
Nucleic Acid Atoms 0
Heterogen Atoms 38
Solvent Atoms 70

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
CNS 1.0 Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CNS version: 1.0 model building