X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 277.0
Details PEG 400, ammonium sulfate, sodium phosphate, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 93.43 α = 90
b = 87.57 β = 90
c = 109.7 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV MSC BLUE CONFOCAL OPTICS 1998-10-20
IMAGE PLATE MARRESEARCH Yale mirrors 1998-10-17
Diffraction Radiation
Monochromator Protocol
Osmic optics SINGLE WAVELENGTH
Ni Filter SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.5418 -- --

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 20 98.4 0.058 -- -- 20.0 -- 60384 2.0 -- 12.4
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)
1.95 1.99 98.2 0.117 -- 12.0 10.0 --

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
SAD 2.0 19.87 -- 0.0 -- 60384 1863 98.4 -- 0.202 0.202 0.226 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 2.0 2.13 -- 301 9591 0.209 0.243 0.014 97.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 19.2
Anisotropic B[1][1] -2.15
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.55
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 21.1
c_mcbond_it 0.56
c_scbond_it 0.99
c_angle_deg 1.3
c_scangle_it 1.65
c_bond_d 0.005
c_improper_angle_d 0.92
c_mcangle_it 1.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.09
Luzzati Resolution Cutoff (Low) 8.0
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5708
Nucleic Acid Atoms 0
Heterogen Atoms 182
Solvent Atoms 596

Software

Software
Software Name Purpose
ISAS model building
CNS refinement version: 0.9
CrystalClear data reduction
DENZO data reduction version: V. 1.9.1
SCALEPACK data scaling version: V. 1.9.1
ISAS phasing