X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6.5
Temperature 295.0
Details PEG 4000, sodium cacodylate, sodium chloride, pH 6.5, VAPOR DIFFUSION, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.42 α = 90
b = 101.33 β = 102.4
c = 46.95 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
CCD MARRESEARCH mirrors 2003-11-01
Diffraction Radiation
Monochromator Protocol
double crystal sagitally focused Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM30A 0.979583 ESRF BM30A

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
1.9 15.99 94.9 -- 0.077 -- 2.6 75447 28895 0.0 0.0 13.2
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)
1.9 2.0 97.3 -- 0.253 2.5 2.6 4343

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 1.9 15.99 0.0 0.0 30533 28870 1459 94.6 0.21 0.196 0.196 0.233 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 1.9 2.02 4676 253 4676 0.267 0.301 0.019 97.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 23.1
Anisotropic B[1][1] -2.99
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 4.38
Anisotropic B[2][2] -6.37
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 9.36
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.72
c_scbond_it 1.9
c_mcangle_it 1.7
c_mcbond_it 1.16
c_improper_angle_d 0.77
c_dihedral_angle_d 23.1
c_angle_deg 1.2
c_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.23
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.25
Luzzati Sigma A (R-Free Set) 0.24
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2687
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 355

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement