3UCY

Structure of Mg2+ bound N-terminal domain of calmodulin in the presence of Zn2+


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5298100MM TRIS CACODYLATE, 25MM ZNCL2, 16% PEG8000, 100MM MGCL2, 20% ETHYLENE GLYCOL, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.5351.38

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 35.298α = 90
b = 35.298β = 90
c = 142.937γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rNINE QUADRANT2011-07-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A1.075000NSLSX29A

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
11.8501000.15712.927.49179231.869
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)
11.81.861000.59226.4891

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 DIFFRACTIONSADTHROUGHOUT1.835.73909843399.750.20230.2010.2279RANDOM38.4893
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]
-0.74-0.741.49
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.866
r_dihedral_angle_3_deg15.861
r_dihedral_angle_4_deg12.745
r_dihedral_angle_1_deg4.417
r_angle_refined_deg1.302
r_chiral_restr0.096
r_bond_refined_d0.008
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms575
Nucleic Acid Atoms
Solvent Atoms68
Heterogen Atoms9

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
DENZOdata reduction