1J1D

Crystal structure of the 46kDa domain of human cardiac troponin in the Ca2+ saturated form


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8293PEG3350, lithium chloride, Tris-HCl, calcium chloride, glycerol, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
358.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.346α = 90
b = 167.86β = 101.35
c = 69.707γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray90CCDMAR CCD 165 mmKARKPATRIC-BOETZE TYPE RH-COATED DOUBLE MIRROR (SUPER MIRRORS)2001-12-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL41XU1.0SPring-8BL41XU

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
12.65096.70.04214.93.722886327912-376
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)
2.62.6984.60.223

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT2.61402788127881136296.30.2640.298random73
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]
-18.584-1.5221.60516.979
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d18.75
c_scangle_it3.125
c_mcangle_it2.358
c_scbond_it1.894
c_angle_deg1.398
c_mcbond_it1.352
c_improper_angle_d0.75
c_bond_d0.0085
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5669
Nucleic Acid Atoms
Solvent Atoms102
Heterogen Atoms6

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHARPphasing
CNSrefinement