X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9
Temperature 293.0
Details PEG 4000, ammonium formate, sodium bicine, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.32 α = 90
b = 91.45 β = 90
c = 160.74 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS HI-STAR -- 2002-06-13
Diffraction Radiation
Monochromator Protocol
GABEL MIRROR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE MACSCIENCE 1.54 -- --

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
2.22 27.6 86.4 -- 0.084 -- -- 34941 34941 0.0 1.0 14.8
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)
2.22 2.3 58.0 -- 0.368 -- -- --

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
MIR 2.3 32.31 -- 0.0 30582 30582 3068 83.9 -- 0.175 0.175 0.24 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 2.3 2.44 3567 390 3567 0.251 0.323 0.016 66.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 28.1
Anisotropic B[1][1] -2.65
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -3.39
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.04
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 8.57
c_scbond_it 7.62
c_mcangle_it 5.97
c_mcbond_it 4.84
c_improper_angle_d 0.71
c_dihedral_angle_d 24.2
c_angle_deg 1.3
c_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.28
Luzzati Resolution Cutoff (Low) 6.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.39
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5697
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 247

Software

Computing
Computing Package Purpose
FRAMBO Data Reduction (intensity integration)
SAINT Data Reduction (data scaling)
PHASES Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
PHASES model building
SAINT data reduction
FRAMBO data collection