3D2M

Crystal structure of N-acetylglutamate synthase from Neisseria gonorrhoeae complexed with coenzyme A and L-glutamate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION6.42918% PEG3350, 100 mM ammonium citrate, pH 6.4, EVAPORATION, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.5852.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 98.802α = 90
b = 98.802β = 90
c = 90.107γ = 120
Symmetry
Space GroupP 3 1 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayIMAGE PLATEMAR scanner 300 mm plate2008-03-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-D1.0APS21-ID-D

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
12.2190.1796.50.0737.510.12543424544
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)
12.212.2972.90.7341.34.61836

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 REPLACEMENTTHROUGHOUTpdb entry 3B8G2.21202409023293124796.690.231080.228560.2803RANDOM45.175
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]
-0.38-0.19-0.380.57
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.238
r_dihedral_angle_4_deg21.493
r_dihedral_angle_3_deg19.727
r_dihedral_angle_1_deg6.077
r_scangle_it3.788
r_scbond_it2.446
r_angle_refined_deg1.789
r_mcangle_it1.469
r_mcbond_it0.89
r_nbtor_refined0.303
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.238
r_dihedral_angle_4_deg21.493
r_dihedral_angle_3_deg19.727
r_dihedral_angle_1_deg6.077
r_scangle_it3.788
r_scbond_it2.446
r_angle_refined_deg1.789
r_mcangle_it1.469
r_mcbond_it0.89
r_nbtor_refined0.303
r_symmetry_vdw_refined0.264
r_nbd_refined0.244
r_symmetry_hbond_refined0.164
r_xyhbond_nbd_refined0.163
r_chiral_restr0.117
r_bond_refined_d0.02
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3227
Nucleic Acid Atoms
Solvent Atoms81
Heterogen Atoms58

Software

Software
Software NamePurpose
REFMACrefinement
CBASSdata collection
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing