X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2OMGinsulin trimer R conformation

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.3291500mM NaCl, 2.5M urea, 1.2mg/ml ARG-12 peptide, 50mM resorcinol, 50mM phosphate buffer, pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.3146.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.36α = 90
b = 61.36β = 90
c = 85.6γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2004-10-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I911-21.0MAX III911-2

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
11.365096.90.05812.35.3358343473824.3
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)
11.361.498.80.612.24.22933

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTinsulin trimer R conformation1.3614.9532948173996.970.201360.200220.22274RANDOM22.684
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]
0.010.01-0.03
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.389
r_dihedral_angle_3_deg11.402
r_dihedral_angle_4_deg6.699
r_dihedral_angle_1_deg5.37
r_scangle_it2.911
r_scbond_it1.827
r_mcangle_it1.291
r_angle_refined_deg1.112
r_mcbond_it0.656
r_nbtor_refined0.311
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.389
r_dihedral_angle_3_deg11.402
r_dihedral_angle_4_deg6.699
r_dihedral_angle_1_deg5.37
r_scangle_it2.911
r_scbond_it1.827
r_mcangle_it1.291
r_angle_refined_deg1.112
r_mcbond_it0.656
r_nbtor_refined0.311
r_nbd_refined0.233
r_symmetry_vdw_refined0.22
r_symmetry_hbond_refined0.209
r_metal_ion_refined0.183
r_xyhbond_nbd_refined0.168
r_chiral_restr0.091
r_bond_refined_d0.008
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1163
Nucleic Acid Atoms
Solvent Atoms165
Heterogen Atoms49

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
MOLREPphasing