1W9I

Myosin II Dictyostelium discoideum motor domain S456Y bound with MgADP-BeFx


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1MMAPDB ENTRY 1MMA

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1710% PEG 8000, 50 MM HEPES PH 7.0, 100 MM NACL, 2 MM DTT, 2 MM NAN3 IN THE RESERVOIR AND 7% PEG 8000, 50 MM HEPES PH 7.0, 100 MM NACL, 2 MM DTT, 2 MM NAN3 IN THE DROP
Crystal Properties
Matthews coefficientSolvent content
3.260.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 105.017α = 90
b = 186.506β = 90
c = 54.713γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCH2000-04-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM30AESRFBM30A

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
11.754096.10.0520.54.21050223
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)
11.751.7997.40.164.13.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1MMA1.754099718522796.10.1830.1820.190.2070.22RANDOM22.68
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]
-0.861.2-0.35
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.134
r_scangle_it2.758
r_scbond_it1.594
r_mcangle_it1.279
r_angle_refined_deg1.185
r_angle_other_deg0.803
r_mcbond_it0.669
r_symmetry_vdw_other0.259
r_nbd_other0.22
r_symmetry_vdw_refined0.206
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5551
Nucleic Acid Atoms
Solvent Atoms734
Heterogen Atoms92

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing