3C3F

alpha/beta-Peptide helix bundles: The GCN4-pLI side chain sequence on an (alpha-alpha-alpha-beta) backbone


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.52980.2 M ammonium sulfate, 0.1 M Tris pH 8.5, 30% v/v PEG 550 monomethyl ether, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
1.7730.36

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 35.237α = 90
b = 35.23β = 90.87
c = 47.309γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDBRUKER SMART 6000confocal mirrors2007-10-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
1247.398.20.078178.680377896
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.190.10.293.83

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT225752036298.240.188810.185070.2648RANDOM12.77
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]
0.430.080.75-1.18
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg43.033
r_dihedral_angle_3_deg14.607
r_dihedral_angle_4_deg10.101
r_scangle_it3.879
r_dihedral_angle_1_deg3.534
r_scbond_it2.354
r_angle_refined_deg1.745
r_angle_other_deg1.177
r_mcangle_it1.142
r_mcbond_it0.689
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg43.033
r_dihedral_angle_3_deg14.607
r_dihedral_angle_4_deg10.101
r_scangle_it3.879
r_dihedral_angle_1_deg3.534
r_scbond_it2.354
r_angle_refined_deg1.745
r_angle_other_deg1.177
r_mcangle_it1.142
r_mcbond_it0.689
r_symmetry_vdw_other0.259
r_symmetry_hbond_refined0.235
r_nbd_other0.219
r_symmetry_vdw_refined0.201
r_nbd_refined0.187
r_xyhbond_nbd_refined0.185
r_nbtor_refined0.17
r_mcbond_other0.163
r_chiral_restr0.11
r_nbtor_other0.082
r_bond_refined_d0.011
r_gen_planes_refined0.008
r_bond_other_d0.002
r_gen_planes_other0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1077
Nucleic Acid Atoms
Solvent Atoms151
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
PROTEUM PLUSdata collection
PROTEUM PLUSdata reduction
PROTEUM PLUSdata scaling
PHASERphasing