X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 7.5
Temperature 296.0
Details 2.1-2.3M Phosphate Buffer, pH 7.5, Microbatch, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 83.68 α = 90
b = 44.14 β = 115.42
c = 87.28 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 296
2 296
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II mirrors 2000-02-13
Diffraction Radiation
Monochromator Protocol
Yale Mirrors SINGLE WAVELENGTH
Yale Mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --
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
2.1 40 88.6 0.068 -- -- 2.2 34151 30305 1.0 1.0 13.9
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)
2.1 2.18 78.5 0.215 -- 3.9 -- 2658

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 2.1 29.5 -- 0.0 30216 30216 3030 88.7 0.215 0.211 0.211 0.247 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 2.1 2.18 -- 270 2366 0.229 0.281 0.017 78.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 21.6
Anisotropic B[1][1] 0.92
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -3.6
Anisotropic B[2][2] -0.96
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.03
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 4.28
c_scbond_it 4.81
c_mcbond_it 2.76
c_improper_angle_d 0.99
c_bond_d 0.005
c_angle_deg 1.0
c_dihedral_angle_d 18.0
c_scangle_it 6.91
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.15
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.3
Luzzati Sigma A (R-Free Set) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4476
Nucleic Acid Atoms 0
Heterogen Atoms 180
Solvent Atoms 149

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
CNS phasing