1EV6

Structure of the monoclinic form of the M-cresol/insulin R6 hexamer


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1SLOW COOLING6.529830 mg insulin, 3.0 ml 0.02 M HCl, 0.3 ml 0.15 M Zinc Acetate, 1.5 ml 0.2 M Sodium Citrate, 1.2 ml 5% m-Cresol in ethanol, pH 6.5, SLOW COOLING, temperature 298.0K
Crystal Properties
Matthews coefficientSolvent content
2.448.64

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.247α = 90
b = 61.739β = 111.32
c = 47.467γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IVOSMIC CONFOCAL MIRRORS2000-01-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

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
11.820.9592.60.03940.66.15284412844130.6
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)
1.891.9492.60.2875.42.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONTHROUGHOUT1.920.952512725127249096.30.1950.1950.1950.235random33.7
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]
-0.841.98-5.095.93
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d20.8
c_scangle_it3.82
c_mcangle_it2.74
c_scbond_it2.59
c_mcbond_it1.86
c_angle_deg1.38
c_improper_angle_d0.86
c_bond_d0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2408
Nucleic Acid Atoms
Solvent Atoms240
Heterogen Atoms69

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing