2QZ9

crystal structure of aspartate semialdehyde dehydrogenase II from vibrio cholerae


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1YS4PEB entry 1YS4

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.529324% PEG8000, 0.2M ammonium sulfate, 5mM DTT, 0.1M sodium citrate pH5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.5852.28

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 119.327α = 90
b = 85.655β = 103.69
c = 116.101γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-ID1.0APS17-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.24099.60.049234.15726854355236.8
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)
2.291.40.43457268

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPEB entry 1YS42.237.615726854355291499.270.200910.198270.24978RANDOM41.38
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]
0.010.03-0.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.288
r_dihedral_angle_4_deg15.756
r_dihedral_angle_3_deg15.644
r_dihedral_angle_1_deg5.903
r_scangle_it2.295
r_scbond_it1.477
r_angle_refined_deg1.2
r_mcangle_it1.186
r_mcbond_it0.666
r_nbtor_refined0.305
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.288
r_dihedral_angle_4_deg15.756
r_dihedral_angle_3_deg15.644
r_dihedral_angle_1_deg5.903
r_scangle_it2.295
r_scbond_it1.477
r_angle_refined_deg1.2
r_mcangle_it1.186
r_mcbond_it0.666
r_nbtor_refined0.305
r_nbd_refined0.199
r_symmetry_vdw_refined0.197
r_xyhbond_nbd_refined0.141
r_symmetry_hbond_refined0.133
r_chiral_restr0.084
r_bond_refined_d0.01
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7852
Nucleic Acid Atoms
Solvent Atoms417
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data collection
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing