2ZPP | pdb_00002zpp

Neutron crystal structure of cubic insulin at pD9


NEUTRON DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1B2G 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICRODIALYSIS92980.2M sodium phosphate, 10mM 3NaEDTA, pH 9.0, MICRODIALYSIS, temperature 298K

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.04α = 90
b = 79.04β = 90
c = 79.04γ = 90
Symmetry
Space GroupI 21 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298IMAGE PLATEBIX-32002-06-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1NUCLEAR REACTOROTHER2.9

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
12.38098.90.1455.2378937471111.1
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)
12.32.3898.10.294.72368

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-Work (Depositor)R-Free (Depositor)R-Free Selection DetailsMean Isotropic B
NEUTRON DIFFRACTIONMOLECULAR REPLACEMENT1B2G2.520129572926307990.2220.2220.2210.26random
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
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms403
Nucleic Acid Atoms
Solvent Atoms34
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
CNSrefinement
SCALEPACKdata scaling
CNSphasing