2B0R

Crystal Structure of Cyclase-Associated Protein from Cryptosporidium parvum


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1K8FPDB Entry 1K8F

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP29117% PEG 3350, 0.2M diammonium tartrate, vapor diffusion, hanging drop, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
3.261.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.258α = 90
b = 58.863β = 115.47
c = 65.81γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++2005-08-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E1.5418

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
12.525098.60.0463.315686
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)
2.522.5699.10.5383.3

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB Entry 1K8F2.6201423274298.5940.2190.2160.2669Thin shells56.842
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]
1.4330.9430.866-1.489
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg45.907
r_dihedral_angle_4_deg19.874
r_dihedral_angle_3_deg16.857
r_dihedral_angle_1_deg6.708
r_scangle_it3.955
r_mcangle_it3.777
r_scbond_it2.73
r_mcbond_it2.391
r_angle_refined_deg1.387
r_nbtor_refined0.306
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg45.907
r_dihedral_angle_4_deg19.874
r_dihedral_angle_3_deg16.857
r_dihedral_angle_1_deg6.708
r_scangle_it3.955
r_mcangle_it3.777
r_scbond_it2.73
r_mcbond_it2.391
r_angle_refined_deg1.387
r_nbtor_refined0.306
r_symmetry_vdw_refined0.243
r_nbd_refined0.223
r_symmetry_hbond_refined0.172
r_xyhbond_nbd_refined0.136
r_chiral_restr0.086
r_bond_refined_d0.017
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2432
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms1

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction