6PHI

Crystal structure of native glucagon in space group I41 at 1.1 A resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP82932.5 M sodium chloride, 0.1 M imidazole, pH 8
Crystal Properties
Matthews coefficientSolvent content
1.9235.88

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.555α = 90
b = 42.555β = 90
c = 28.376γ = 90
Symmetry
Space GroupI 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CMOSRDI CMOS_8M2017-09-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 4.2.21.00003ALS4.2.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
11.123.6199.20.0420.0450.0170.99928.46.9103348.13
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.11.1299.80.5260.5740.2260.8983.66.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUEPDB entry 6PHO1.123.611.381032749699.140.1360.13580.138713.42
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
f_dihedral_angle_d12.9015
f_angle_d0.9752
f_chiral_restr0.0501
f_bond_d0.0075
f_plane_restr0.0048
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms236
Nucleic Acid Atoms
Solvent Atoms33
Heterogen Atoms2

Software

Software
Software NamePurpose
PHENIXmodel building
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing