4F25

Crystal structure of the second RRM domain of human PABPC1 at pH 6.0


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP629425% PEG 1500 and 0.1 M MIB buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
1.8533.62

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.653α = 90
b = 50.653β = 90
c = 63.447γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102007-11-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE A10.9772CHESSA1

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
11.95097.70.07716.99.57363719411
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)
11.91.9782.70.2795.36.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)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 REPLACEMENTTHROUGHOUT1cvj1.919.0517363719434597.630.220.219150.216630.26919RANDOM39.49
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]
-0.09-0.04-0.090.13
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.614
r_dihedral_angle_4_deg25.628
r_dihedral_angle_3_deg19.082
r_dihedral_angle_1_deg6.347
r_scangle_it2.632
r_scbond_it1.678
r_angle_refined_deg1.218
r_mcangle_it1.203
r_mcbond_it0.665
r_nbtor_refined0.304
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.614
r_dihedral_angle_4_deg25.628
r_dihedral_angle_3_deg19.082
r_dihedral_angle_1_deg6.347
r_scangle_it2.632
r_scbond_it1.678
r_angle_refined_deg1.218
r_mcangle_it1.203
r_mcbond_it0.665
r_nbtor_refined0.304
r_nbd_refined0.197
r_symmetry_hbond_refined0.159
r_symmetry_vdw_refined0.14
r_xyhbond_nbd_refined0.128
r_chiral_restr0.084
r_bond_refined_d0.01
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms623
Nucleic Acid Atoms
Solvent Atoms45
Heterogen Atoms

Software

Software
Software NamePurpose
ADSCdata collection
PHASERphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling