4L37

SP2-SP3 - a complex of two storage proteins from Bombyx mori hemolymph


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.52932.0 M ammonium sulfate 0.02 M sodium thiocyanate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.9758.58

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 192.75α = 90
b = 192.75β = 90
c = 180.82γ = 120
Symmetry
Space GroupP 63 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDmirrors2012-07-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.20.918BESSY14.2

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
12.94899.70.10823.210.24436544232-343.07
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)
12.931000.639510.54198

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 3GWJ2.9484436543121109699.650.167260.167260.165820.22267RANDOM51.406
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]
1.491.491.49-4.83
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.564
r_dihedral_angle_3_deg19.878
r_dihedral_angle_4_deg18.281
r_dihedral_angle_1_deg6.924
r_angle_refined_deg1.666
r_chiral_restr0.115
r_bond_refined_d0.013
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms11373
Nucleic Acid Atoms
Solvent Atoms136
Heterogen Atoms150

Software

Software
Software NamePurpose
XDSdata scaling
PHASERphasing
REFMACrefinement
XDSdata reduction