3W93

Crystal Structure Analysis of the synthetic GCN4 Ester coiled coil peptide


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1IJ2 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.229354% Tacsimate, pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3848.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 31.722α = 90
b = 33.881β = 90
c = 95.179γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2012-11-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.9795DiamondI04

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
11.55097.40.05314.631720316746
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)
11.51.5396.80.2562.9787

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUT1IJ21.547.591579584696.890.21420.21280.2435RANDOM26.326
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]
0.691.25-1.95
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg20.381
r_dihedral_angle_3_deg15.068
r_dihedral_angle_4_deg9.676
r_scangle_it6.143
r_scbond_it3.858
r_dihedral_angle_1_deg3.224
r_angle_refined_deg2.415
r_mcangle_it2.372
r_mcbond_it1.33
r_angle_other_deg1.198
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg20.381
r_dihedral_angle_3_deg15.068
r_dihedral_angle_4_deg9.676
r_scangle_it6.143
r_scbond_it3.858
r_dihedral_angle_1_deg3.224
r_angle_refined_deg2.415
r_mcangle_it2.372
r_mcbond_it1.33
r_angle_other_deg1.198
r_mcbond_other0.464
r_chiral_restr0.182
r_bond_refined_d0.029
r_gen_planes_refined0.011
r_gen_planes_other0.006
r_bond_other_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms741
Nucleic Acid Atoms
Solvent Atoms77
Heterogen Atoms48

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction