X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.1
Temperature 291.0
Details AMMONIUM SULFATE, POTASSIUM PHOSPHATE, PYRIDOXAL 5'-PHOSPHATE, pH 7.1, VAPOR DIFFUSION, HANGING DROP, temperature 291.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.38 α = 90
b = 269.37 β = 90
c = 186.62 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-10-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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
2 100 98.5 0.051 -- -- 9.05 -- 110515 -- 0.0 28.0
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 96.3 0.223 -- 4.39 3.9 --

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
MAD 2.0 15.0 -- 3.4 110358 101968 10211 90.38 -- 0.221 0.221 0.268 9.8
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 2.01 -- -- 547 0.289 0.33 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINTS
Mean Isotropic B 40.9
Anisotropic B[1][1] -2.314
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -4.833
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 7.147
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.5
c_scbond_it 1.5
c_mcangle_it 2.0
c_mcbond_it 1.5
c_improper_angle_d 0.795
c_bond_d 0.0096
c_angle_deg 1.448
c_dihedral_angle_d 22.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Resolution Cutoff (Low) 6.26
Luzzati ESD (R-Free Set) 0.38
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10428
Nucleic Acid Atoms 0
Heterogen Atoms 80
Solvent Atoms 939

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
CNS 0.9 Structure Refinement
Software
Software Name Purpose
CNS version: 0.9 refinement
SHARP model building