3AA1

Crystal structure of Actin capping protein in complex with the Cp-binding motif derived from CKIP-1


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1IZNPDB ENTRY 1IZN

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP629317.5% PEG 400, 30MM BACL2, 100MM MES-NAOH, PH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal Properties
Matthews coefficientSolvent content
2.0540.14

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.315α = 90
b = 66.298β = 90
c = 136.666γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU JUPITER 210mirrors2009-02-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL26B11.0SPring-8BL26B1

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
11.95097.40.05917.666.54066139.9
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)
1.91.9781.70.2614.4143337

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTPDB ENTRY 1IZN1.943.3638533204997.330.21570.21310.26298RANDOM33.816
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]
-1.24-1.282.52
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.919
r_dihedral_angle_4_deg18.572
r_dihedral_angle_3_deg16.141
r_dihedral_angle_1_deg5.842
r_scangle_it4.033
r_scbond_it2.525
r_mcangle_it1.782
r_angle_refined_deg1.528
r_mcbond_it1.006
r_chiral_restr0.107
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.919
r_dihedral_angle_4_deg18.572
r_dihedral_angle_3_deg16.141
r_dihedral_angle_1_deg5.842
r_scangle_it4.033
r_scbond_it2.525
r_mcangle_it1.782
r_angle_refined_deg1.528
r_mcbond_it1.006
r_chiral_restr0.107
r_bond_refined_d0.015
r_gen_planes_refined0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4304
Nucleic Acid Atoms
Solvent Atoms379
Heterogen Atoms24

Software

Software
Software NamePurpose
HKL-2000data collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling