2BCX

Crystal structure of calmodulin in complex with a ryanodine receptor peptide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP4.729323% PEG 4000, 0.1 M sodium acetate, 5 mM DTT, pH 4.7, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.86383134.006889

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 38.1α = 90
b = 44.1β = 90
c = 90.3γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV2004-12-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.5418

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
1239.6699.90.03823.23.73198561080211
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)
22.0799.999.90.1297.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)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 DIFFRACTIONSADTHROUGHOUT29.99196471080210090.2140.2140.2130.249RANDOM23.9
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]
-2.536.31-3.78
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d20.2
c_scangle_it3.07
c_scbond_it2.05
c_mcangle_it1.92
c_mcbond_it1.27
c_angle_deg1.2
c_improper_angle_d1.13
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1347
Nucleic Acid Atoms
Solvent Atoms80
Heterogen Atoms4

Software

Software
Software NamePurpose
d*TREKdata scaling
SHARPphasing
SOLOMONphasing
CNSrefinement
PDB_EXTRACTdata extraction