4P6K

Crystal Structure of the Computationally Designed Transmembrane Metallotransporter with 4-bromophenylalanine in Lipidic Cubic Phase


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelOther25-residue-long idealized helix

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIPIDIC CUBIC PHASE298100 nl boluses containing monoolein-bound Rocker Br-Phe2 (4 mM peptide, 60% (vol) monoolein, 6 mM ZnSO4) immersed in 1 ?l of precipitation buffer (0.05 M Li2SO4, 0.1 M tricine (pH 7.4), 7 % (w/v) PEG 3000) incubated in 0.1-mm-deep wells at room temperature over a month
Crystal Properties
Matthews coefficientSolvent content
2.7655.41

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.87α = 90
b = 46.87β = 90
c = 60.603γ = 90
Symmetry
Space GroupI 41 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2012-11-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.91980APS24-ID-C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.75089.4210.81601

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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-VALUE25-residue-long idealized helix2.70437.0761.34160116189.640.2960.29470.3045
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_d11.073
f_angle_d0.386
f_chiral_restr0.021
f_bond_d0.003
f_plane_restr0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms211
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement