3CX2

Crystal structure of the C1 domain of cardiac isoform of myosin binding protein-C at 1.3A


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2V6HPDB entry 2V6H

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.9293Crystals were grown at 20 C using the hanging drop method with a 2 microlitre drop containing a 1:1 mixture of protein solution and crystallising solution consisting of 8.5% PEG 3350 and 0.05M Hepes pH 6.8 over 500 microlitres of crystallising solution in the reservoir, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3547.77

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.848α = 90
b = 48.848β = 90
c = 95.132γ = 90
Symmetry
Space GroupI 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2006-02-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX10.11.283SRSPX10.1

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
11.25088.40.046143.922822263424217.8
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)
1.21.2433.30.6421.31.2

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMIRFREE RPDB entry 2V6H1.3102282224006118484.20.1640.209RANDOM22.271
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]
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.065
s_non_zero_chiral_vol0.058
s_zero_chiral_vol0.049
s_similar_adp_cmpnt0.044
s_from_restr_planes0.031
s_angle_d0.027
s_anti_bump_dis_restr0.016
s_bond_d0.01
s_rigid_bond_adp_cmpnt0.004
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms868
Nucleic Acid Atoms
Solvent Atoms176
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHELXrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
REFMACphasing
SHELXL-97refinement