X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details HEPES, AMMONIUM SULFATE, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 119.03 α = 90
b = 147.61 β = 90
c = 206.49 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-06-17
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL SILICON MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 0.9537, 0.9792, 0.9793 APS 17-ID

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
3 50 99.8 -- 0.058 -- 10.4 34732 36637 0.0 0.0 --
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)
3.0 3.11 100.0 -- 0.208 -- 4.2 --

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 3.0 19.93 -- 0.0 34732 34732 3454 94.8 0.2845 0.2845 0.208 0.258 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 3.0 3.19 5192 503 4689 0.391 0.418 0.019 85.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 50.0
Anisotropic B[1][1] -2.14
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.01
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.13
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.8
c_mcangle_it 2.46
c_scangle_it 3.67
c_dihedral_angle_d 24.1
c_mcbond_it 1.41
c_improper_angle_d 1.04
c_scbond_it 2.34
c_bond_d 0.017
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.56
Luzzati Sigma A (Observed) 0.67
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.63
Luzzati Sigma A (R-Free Set) 0.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9643
Nucleic Acid Atoms 0
Heterogen Atoms 90
Solvent Atoms 72

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
SOLVE phasing version: VERSION 1.18
CNS refinement version: 1.0
HKL-2000 data reduction