2R7M

Crystal structure of FAICAR synthetase (PurP) from M. jannaschii complexed with AMP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.12911.2 M (NH4)2SO4, 0.2 M NaCl, 0.1 M Na acetate, pH 4.1, vapor diffusion, hanging drop, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
3.6165.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 109.446α = 90
b = 109.446β = 90
c = 256.257γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-03-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.97918APS24-ID-C

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
12.35099.60.06818.85.32636526358
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)
2.32.381000.3644.72618

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONSADTHROUGHOUT2.333.672636526358133299.450.2070.2040.257RANDOM46.206
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]
2.661.332.66-3.98
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34
r_dihedral_angle_4_deg20.03
r_dihedral_angle_3_deg14.497
r_scangle_it6.84
r_mcangle_it6.695
r_dihedral_angle_1_deg5.417
r_scbond_it5.337
r_mcbond_it4.877
r_angle_refined_deg1.093
r_nbtor_refined0.322
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34
r_dihedral_angle_4_deg20.03
r_dihedral_angle_3_deg14.497
r_scangle_it6.84
r_mcangle_it6.695
r_dihedral_angle_1_deg5.417
r_scbond_it5.337
r_mcbond_it4.877
r_angle_refined_deg1.093
r_nbtor_refined0.322
r_nbd_refined0.214
r_symmetry_hbond_refined0.209
r_xyhbond_nbd_refined0.205
r_symmetry_vdw_refined0.174
r_chiral_restr0.072
r_bond_refined_d0.007
r_gen_planes_refined0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2829
Nucleic Acid Atoms
Solvent Atoms94
Heterogen Atoms53

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
HKL-2000data reduction
HKL-2000data scaling
SHARPphasing