1AJ0

CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF E. COLI DIHYDROPTEROATE SYNTHASE


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.4PROTEIN WAS CRYSTALLIZED FROM 42% AMMONIUM SULFATE, 50MM TRIS-HCL, PH 8.4.
Crystal Properties
Matthews coefficientSolvent content
2.550.76

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 92.91α = 90
b = 60.67β = 114.67
c = 59.82γ = 90
Symmetry
Space GroupC 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray289AREA DETECTORSIEMENS1993-07-30M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH2R

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
122099.20.054232022

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 DIFFRACTION21022320618585800.206
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_tor24.3
p_staggered_tor17.9
p_planar_tor1.8
p_xyhbond_nbd0.23
p_multtor_nbd0.223
p_singtor_nbd0.179
p_chiral_restr0.101
p_planar_d0.038
p_angle_d0.032
p_bond_d0.01
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor24.3
p_staggered_tor17.9
p_planar_tor1.8
p_xyhbond_nbd0.23
p_multtor_nbd0.223
p_singtor_nbd0.179
p_chiral_restr0.101
p_planar_d0.038
p_angle_d0.032
p_bond_d0.01
p_angle_deg
p_hb_or_metal_coord
p_mcbond_it
p_mcangle_it
p_scbond_it
p_scangle_it
p_plane_restr
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2147
Nucleic Acid Atoms
Solvent Atoms105
Heterogen Atoms30

Software

Software
Software NamePurpose
PROFFTrefinement
XENGENdata reduction
XENGENdata scaling