1M5A

Crystal Structure of 2-Co(2+)-Insulin at 1.2A Resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1SLOW COOLING6.3300cobalt acetate, trisodium citrate, acetone, hydrochloric acid, pH 6.3, SLOW COOLING, temperature 300K
Crystal Properties
Matthew coefficientSolvent content
1.8232.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 80.75α = 90
b = 80.75β = 90
c = 33.63γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHmirror, monochromator1994-10-15MSINGLE WAVELENGTH
21x-ray100IMAGE PLATEMARRESEARCHmirror, monochromator1994-12-22MSINGLE WAVELENGTH
1,21
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX7.21.488SRSPX7.2
2SYNCHROTRONSRS BEAMLINE PX9.60.87SRSPX9.6

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
1,21.22099.10.0752.86258602534533
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)
1,21.21.2894.70.3542.4

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)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 DIFFRACTIONMOLECULAR REPLACEMENTPDB entry 4INS1.22032534525345126799.10.1880.1850.18120.2412random
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
p_angle_d5.6
p_bond_d0.051
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms806
Nucleic Acid Atoms
Solvent Atoms197
Heterogen Atoms2

Software

Software
Software NamePurpose
PXGENdata collection
ROTAVATAdata reduction
AMoREphasing
PROLSQrefinement
PXGENdata reduction
CCP4data scaling
ROTAVATAdata scaling