X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 7.5
Temperature 22.0
Details PEGMME 5000, pH 7.5, vapor diffusion, temperature 22K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.32 α = 90
b = 100.07 β = 100.62
c = 129.53 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 113
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-07-22
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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 29.87 99.0 0.077 -- -- 7.0 37576 37917 2.0 2.0 43.0
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 99.8 0.244 -- -- 3.5 37217

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
-- 2.7 12.0 2.0 2.0 37534 36258 3657 96.6 0.23 0.23 0.23 0.281 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 -- 611 5217 0.291 0.369 0.015 93.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 32.6
Anisotropic B[1][1] -5.47
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -3.24
Anisotropic B[2][2] -1.87
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 7.34
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_mcangle_it 4.6
c_angle_deg 1.4
c_dihedral_angle_d 25.0
c_mcbond_it 2.84
c_improper_angle_d 0.85
c_scbond_it 4.18
c_scangle_it 5.87
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Sigma A (Observed) 0.32
Luzzati Resolution Cutoff (Low) 6.0
Luzzati ESD (R-Free Set) 0.43
Luzzati Sigma A (R-Free Set) 0.46
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9414
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)
SHARP Structure Solution
CNS 0.5 Structure Refinement
Software
Software Name Purpose
CNS version: 0.5 refinement
SHARP model building