5CO2

Crystalization of human zinc insulin at pH 5.5


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.52982 mcL protein (6 mg/mL in 2 mM HCl) + 2 mcL well solution (0.1 M Na2HPO4 pH 5.5, 10 % m/v PEG 6,000)
Crystal Properties
Matthews coefficientSolvent content
1.8433.08

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.283α = 90
b = 81.283β = 90
c = 33.64γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDAGILENT TITAN CCD2012-09-11MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBEOXFORD DIFFRACTION ENHANCE ULTRA1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.514.5698.50.0420.0340.997101.813078
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.51.5394.60.6080.6080.4880.91.2681

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT1.714.56863342499.170.16970.16730.2172RANDOM16.717
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]
-0.03-0.03-0.030.09
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.731
r_dihedral_angle_4_deg19.036
r_dihedral_angle_3_deg15.21
r_dihedral_angle_1_deg6.256
r_angle_refined_deg1.841
r_angle_other_deg0.888
r_chiral_restr0.11
r_bond_refined_d0.018
r_gen_planes_refined0.01
r_bond_other_d0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.731
r_dihedral_angle_4_deg19.036
r_dihedral_angle_3_deg15.21
r_dihedral_angle_1_deg6.256
r_angle_refined_deg1.841
r_angle_other_deg0.888
r_chiral_restr0.11
r_bond_refined_d0.018
r_gen_planes_refined0.01
r_bond_other_d0.002
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms808
Nucleic Acid Atoms
Solvent Atoms86
Heterogen Atoms4

Software

Software
Software NamePurpose
CrysalisProdata collection
Aimlessdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
CrysalisProdata reduction