5CNY

Crystal Structure of human zinc insulin at pH 5.5


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.52932 mcL protein (6 mg/mL) + 2 mcL well (0.1 M Na2HPO4 pH 5.5, 10 % m/v PEG 6,000)
Crystal Properties
Matthews coefficientSolvent content
1.8734.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.76α = 90
b = 81.76β = 90
c = 33.738γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDOXFORD TITAN CCD2012-09-11MSINGLE WAVELENGTH
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
11.713.6393.10.0380.0280.97111.7286218205
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)
11.71.7399.40.1970.1970.8172.61.3517

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 REPLACEMENTTHROUGHOUT1.713.63820541493.110.15770.15490.2133RANDOM17.83
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]
1.071.07-2.14
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.428
r_sphericity_free24.131
r_dihedral_angle_4_deg18.727
r_dihedral_angle_3_deg15.102
r_sphericity_bonded6.696
r_dihedral_angle_1_deg6.368
r_rigid_bond_restr5.78
r_angle_refined_deg1.827
r_angle_other_deg0.925
r_chiral_restr0.117
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.428
r_sphericity_free24.131
r_dihedral_angle_4_deg18.727
r_dihedral_angle_3_deg15.102
r_sphericity_bonded6.696
r_dihedral_angle_1_deg6.368
r_rigid_bond_restr5.78
r_angle_refined_deg1.827
r_angle_other_deg0.925
r_chiral_restr0.117
r_bond_refined_d0.019
r_gen_planes_refined0.011
r_bond_other_d0.003
r_gen_planes_other0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms808
Nucleic Acid Atoms
Solvent Atoms88
Heterogen Atoms4

Software

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