X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.2
Details HANGING DROP, 22-26% PEG 8000, 200 MM AMMONIUM SULFATE, 100 MM CITRATE BUFFER, PH 5.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 108.55 α = 90
b = 55.78 β = 98.31
c = 123.68 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 1998-11-27
Diffraction Radiation
Monochromator Protocol
MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, HAMBURG BW7B

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
1.5 87.7 94.3 0.04 -- -- 9.45 -- 234572 -- -3.0 17.26
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)
1.58 1.62 84.7 0.415 -- 1.5 1.6 --

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
MIRAS 1.6 87.2 -- 0.0 -- 193516 19550 95.1 -- 0.162 0.162 0.189 SHELLS
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 1.6 1.66 -- 2632 14740 0.26 0.277 -- 90.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.88
Anisotropic B[1][1] -6.854
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.089
Anisotropic B[2][2] -0.645
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 7.499
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 26.5
c_scangle_it 2.9
c_mcbond_it 1.37
c_scbond_it 2.1
c_improper_angle_d 0.93
c_mcangle_it 1.89
c_bond_d 0.009
c_angle_deg 1.479
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.1586
Luzzati Sigma A (Observed) 0.1785
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.1812
Luzzati Sigma A (R-Free Set) 0.1928
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10314
Nucleic Acid Atoms 0
Heterogen Atoms 525
Solvent Atoms 1754

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
PHASES, DM Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
PHASES model building
CNS version: 1.0 refinement
DM model building