1GZG

Complex of a Mg2-dependent porphobilinogen synthase from Pseudomonas aeruginosa (mutant D139N) with 5-fluorolevulinic acid


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1B4K 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP9PROTEIN SOLUTION: 12 MG/ML PBGS MUTANT D139N IN 50 MM K-HEPES, 10 MM MGCL2. CRYSTALLIZATION SOLUTION: 0.99 ML PROTEIN SOLUTION = 0.01 ML 2MM 5F-LA IN 50 MM K-HEPES, 10 MM MGCL2. RESERVOIR SOLUTION: 1 M NA/K-TARTRATE, 0.2M LI2SO4, 0.1 M CHES PH = 9,5. SITTING DROP: 0.003 ML CRYSTALLISATION SOLUTION + 0.003 ML RESERVOIR SOLUTION
Crystal Properties
Matthews coefficientSolvent content
2.4650

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 127.131α = 90
b = 127.131β = 90
c = 86.145γ = 90
Symmetry
Space GroupP 4 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHMIRRORS2001-10-15MSINGLE WAVELENGTH
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
11.662099.90.116115.2827753
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)
11.661.721000.3944.14.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1B4K1.6691.2978644413199.10.1750.198RANDOM20.86
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]
0.070.07-0.14
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg16.142
r_dihedral_angle_1_deg4.584
r_scangle_it2.829
r_scbond_it1.673
r_angle_refined_deg1.657
r_mcangle_it1.057
r_angle_other_deg0.805
r_mcbond_it0.581
r_xyhbond_nbd_other0.381
r_symmetry_vdw_refined0.361
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg16.142
r_dihedral_angle_1_deg4.584
r_scangle_it2.829
r_scbond_it1.673
r_angle_refined_deg1.657
r_mcangle_it1.057
r_angle_other_deg0.805
r_mcbond_it0.581
r_xyhbond_nbd_other0.381
r_symmetry_vdw_refined0.361
r_nbd_refined0.332
r_metal_ion_refined0.232
r_symmetry_vdw_other0.226
r_symmetry_hbond_refined0.223
r_nbd_other0.217
r_xyhbond_nbd_refined0.209
r_chiral_restr0.151
r_symmetry_hbond_other0.02
r_bond_refined_d0.01
r_gen_planes_refined0.008
r_gen_planes_other0.003
r_bond_other_d0.001
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_nbtor_other
r_metal_ion_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5050
Nucleic Acid Atoms
Solvent Atoms671
Heterogen Atoms57

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing