4LTP

Bacterial sodium channel in high calcium, I222 space group, crystal 2


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4LTOPDB ENTRY 4LTO

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5277200 mM calcium chloride, 30% PEG400, 100 mM sodium acetate, pH 5.0, 0.5 M TMAO, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
6.8882.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 147.265α = 90
b = 161.499β = 90
c = 161.69γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2011-11-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.11587ALS8.3.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
13.85099.40.18168.21927819162143
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.84.01973.3060.56.42683

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 4LTO3.815189751801396298.20.227080.227080.224690.27289RANDOM170.143
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]
10.06-0.35-9.71
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.416
r_long_range_B_refined32.532
r_dihedral_angle_3_deg24.195
r_mcangle_it23.288
r_dihedral_angle_4_deg19.362
r_scbond_it17.877
r_mcbond_it15.008
r_dihedral_angle_1_deg7.529
r_angle_refined_deg1.624
r_chiral_restr0.092
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.416
r_long_range_B_refined32.532
r_dihedral_angle_3_deg24.195
r_mcangle_it23.288
r_dihedral_angle_4_deg19.362
r_scbond_it17.877
r_mcbond_it15.008
r_dihedral_angle_1_deg7.529
r_angle_refined_deg1.624
r_chiral_restr0.092
r_bond_refined_d0.011
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4079
Nucleic Acid Atoms
Solvent Atoms4
Heterogen Atoms7

Software

Software
Software NamePurpose
ADSCdata collection
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling