3JTD

Calcium-free Scallop Myosin Regulatory Domain with ELC-D19A Point Mutation


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.3277100 mM bicine pH 8.3, 45 mM ammonium sulfate, 5 mM magnesium chloride, 2.5 mM EGTA, 3.0 mM sodium azide, 15% (wt/vol) PEG 4000, 4% (vol/vol) PEG 200, 6% (wt/vol) 2,3-butanediol, Hanging drop vapor diffusion, temperature 277K, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
2.754.42

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42α = 113.36
b = 52.78β = 91.56
c = 58.51γ = 100.6
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDPRINCETON 2K1997-12-25SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE A10.908CHESSA1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.573790.50.06412.2982.4515190131871142

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1WDC2.5734.89149361293464090.50.23290.23290.2330.248RANDOM48.652
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]
4.42-5.68-0.27-4.1-1.25-0.32
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.6
c_scangle_it5.03
c_mcangle_it3.32
c_scbond_it3.21
c_mcbond_it1.78
c_angle_deg1.7
c_improper_angle_d1.19
c_bond_d0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2970
Nucleic Acid Atoms
Solvent Atoms58
Heterogen Atoms1

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement
PDB_EXTRACTdata extraction