3QJK

Structure of Calcium Binding Protein-1 from Entamoeba histolytica in complex with Lead


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP3.628960-65% MPD, 50mM NaOAc, 5mM Pb(NO3)2, pH 3.6, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.8356.48

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 95.264α = 90
b = 95.264β = 90
c = 64.597γ = 120
Symmetry
Space GroupP 63

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm platemirrors2008-06-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
1330870.0540.03648.82.967776763
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
133.1199.70.0540.3641.12.9

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 2NXQ3.00128.0821.396777676368599.720.25490.25180.28375.1336
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]
-8.9307-8.930717.8614
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.722
f_angle_d1.854
f_chiral_restr0.101
f_bond_d0.015
f_plane_restr0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms996
Nucleic Acid Atoms
Solvent Atoms17
Heterogen Atoms12

Software

Software
Software NamePurpose
MAR345dtbdata collection
PHASERphasing
CNSrefinement
AUTOMARdata reduction
PHENIXrefinement