3MUD

Structure of the Tropomyosin Overlap Complex from Chicken Smooth Muscle


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1FU1PDB ENTRY 1FU1

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.529318% MePEG 2000, 100 mM Bis-Tris, 120 mM MgSO4 , pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.3563.33

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 96.564α = 90
b = 96.564β = 90
c = 162.993γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDSBC-32009-08-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-BM0.9793APS19-BM

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
12.23099.30.05749.618.63992639647-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.22.2499.25.817.9

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1FU12.2303784737461198298.980.209130.206990.25049RANDOM49.235
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]
0.820.82-1.64
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.902
r_dihedral_angle_3_deg15.184
r_dihedral_angle_4_deg14.225
r_scangle_it10.197
r_scbond_it6.787
r_mcangle_it6.023
r_dihedral_angle_1_deg4.586
r_mcbond_it3.702
r_angle_refined_deg1.016
r_chiral_restr0.069
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.902
r_dihedral_angle_3_deg15.184
r_dihedral_angle_4_deg14.225
r_scangle_it10.197
r_scbond_it6.787
r_mcangle_it6.023
r_dihedral_angle_1_deg4.586
r_mcbond_it3.702
r_angle_refined_deg1.016
r_chiral_restr0.069
r_bond_refined_d0.008
r_gen_planes_refined0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3421
Nucleic Acid Atoms
Solvent Atoms398
Heterogen Atoms9

Software

Software
Software NamePurpose
ADSCdata collection
MOLREPphasing
REFMACrefinement
HKL-3000data reduction
HKL-3000data scaling