X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1A7UPDB ENTRY 1A7U

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.81.8 M AMMONIUM SULFATE PH 7.8., SMALL AMOUNTS OF SOLID SODIUM BENZOATE
Crystal Properties
Matthews coefficientSolvent content
2.6556.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 124.87α = 90
b = 124.87β = 90
c = 124.87γ = 90
Symmetry
Space GroupP 21 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray90IMAGE PLATEMARRESEARCHMIRROR1997-01-25M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMPG/DESY, HAMBURG BEAMLINE BW6MPG/DESY, HAMBURGBW6

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
11.752898.90.076204.78449913.49
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)
1.61.6797.90.1894

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 REPLACEMENTTHROUGHOUTPDB ENTRY 1A7U1.69084499422998.90.1490.1520.171RANDOM13.25
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_tor30.4
p_staggered_tor11.9
p_planar_tor4.1
p_scbond_it1.69
p_mcangle_it1.57
p_scangle_it1.42
p_mcbond_it1.07
p_multtor_nbd0.25
p_singtor_nbd0.169
p_chiral_restr0.131
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor30.4
p_staggered_tor11.9
p_planar_tor4.1
p_scbond_it1.69
p_mcangle_it1.57
p_scangle_it1.42
p_mcbond_it1.07
p_multtor_nbd0.25
p_singtor_nbd0.169
p_chiral_restr0.131
p_xyhbond_nbd0.093
p_planar_d0.031
p_angle_d0.026
p_plane_restr0.022
p_bond_d0.012
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 Atoms4290
Nucleic Acid Atoms
Solvent Atoms671
Heterogen Atoms25

Software

Software
Software NamePurpose
CCP4model building
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
CCP4phasing