1QAC

CHANGE IN DIMERIZATION MODE BY REMOVAL OF A SINGLE UNSATISFIED POLAR RESIDUE


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION27718% PEG 8000, 0.2M AMMONIUM SULPHATE AT 4 DEG C, VAPOR DIFFUSION, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.653

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 35.3α = 90
b = 83.6β = 109
c = 42.8γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDCUSTOM-MADE1998-11-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-IDAPS19-ID

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
11.82097.90.05621.98.6222652177618
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)
1.81.860.1725.69.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3LVE with GLU-38 and GLN-89 changed to ALA1.8831923619236192589.30.1930.22616.9
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]
-5.421.261.044.38
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26
x_scangle_it1.52
x_angle_deg1.4
x_mcangle_it1.16
x_scbond_it1.04
x_improper_angle_d0.75
x_mcbond_it0.69
x_bond_d0.006
x_angle_deg_prot
x_bond_d_na
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26
x_scangle_it1.52
x_angle_deg1.4
x_mcangle_it1.16
x_scbond_it1.04
x_improper_angle_d0.75
x_mcbond_it0.69
x_bond_d0.006
x_angle_deg_prot
x_bond_d_na
x_angle_d
x_dihedral_angle_d_prot
x_angle_d_na
x_improper_angle_d_na
x_improper_angle_d_prot
x_angle_d_prot
x_bond_d_prot
x_angle_deg_na
x_dihedral_angle_d_na
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1763
Nucleic Acid Atoms
Solvent Atoms305
Heterogen Atoms

Software

Software
Software NamePurpose
SCALEPACKdata scaling
AMoREphasing
CNSrefinement