8IOM

Crystal structure of the carboxy-terminal channel-forming domain of Colicin Ib


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CII 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5293.5Precipitant: 0.1M sodium chloride, 0.1M sodium HEPES pH7.5, 12% w/v PEG 4000, 0.5 microliter 8mg/ml colicin Ib C domain mix with the same volume precipitant in the drop colicin Ib C domain buffer:20mM sodium, citrate pH5.2, 200mM NaCl
Crystal Properties
Matthews coefficientSolvent content
5.2676.61

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.994α = 90
b = 91.994β = 90
c = 113.896γ = 90
Symmetry
Space GroupI 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray80CCDRAYONIX MX300-HS2021-10-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSRRC BEAMLINE BL15A11NSRRCBL15A1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Rrim I (All)Rpim I (All)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.943099.90.090.0530.1010.04794.6110581104054.03
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.943.061000.5560.3990.6270.2890.9254.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE326.081.34915190496.230.19850.19620.218949.3
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.3337
f_angle_d0.5439
f_chiral_restr0.0406
f_plane_restr0.0032
f_bond_d0.0029
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1529
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-2000data collection
HKL-2000data scaling
PHENIXmodel building