1ZEH | pdb_00001zeh

STRUCTURE OF INSULIN


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1ZNI4ZN INSULIN DIMER

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1batch method6.8BATCH METHOD, COMPOSITION OF CRYSTALLISATION SOLUTION 3.5 MG INSULIN + 0.5 ML 0.02M HCL + 0.05 ML 0.12M ZINC ACETATE + 0.25 ML 0.2M TRI-SODIUM CITRATE + 0.2 ML 2.5% (W/V) M-CRESOL IN ETHANOL + 60 MG NACL, pH 6.8, batch method
Crystal Properties
Matthews coefficientSolvent content
1.9340

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 77.49α = 90
b = 77.49β = 90
c = 38.91γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120IMAGE PLATEMARRESEARCH1997-01-27M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH2R

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
11.519.497.50.077.51360116.9
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)
1.51.5354.60.169

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Work (Depositor)R-Free (Depositor)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFREE R4ZN INSULIN DIMER1.519.41360197.50.1590.193RANDOM20.1
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_transverse_tor16.6
p_staggered_tor12.9
p_planar_tor6
p_scangle_it2.987
p_mcangle_it2.359
p_scbond_it2.061
p_mcbond_it1.564
p_multtor_nbd0.276
p_singtor_nbd0.169
p_chiral_restr0.117
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor16.6
p_staggered_tor12.9
p_planar_tor6
p_scangle_it2.987
p_mcangle_it2.359
p_scbond_it2.061
p_mcbond_it1.564
p_multtor_nbd0.276
p_singtor_nbd0.169
p_chiral_restr0.117
p_xyhbond_nbd0.101
p_angle_d0.036
p_planar_d0.036
p_plane_restr0.027
p_bond_d0.014
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms837
Nucleic Acid Atoms
Solvent Atoms107
Heterogen Atoms52

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement