3B0L

M175G mutant of assimilatory nitrite reductase (Nii3) from tobbaco leaf


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION8.5277PEG4000, Tris-HCl, MgCl2, MPD, pH 8.5, vapor diffusion, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.6353.32

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 133.271α = 90
b = 133.271β = 90
c = 77.734γ = 90
Symmetry
Space GroupP 4 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210rRh-coated Si single crystal mirror2009-10-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE AR-NW12A1.0Photon FactoryAR-NW12A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.75096.40.0610.06113.75.4746617466125.2
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)
11.71.7696.20.374.944.57340

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3B0G1.729.99745797082237571000.17790.17790.17650.2036RANDOM18.96
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]
0.040.04-0.09
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.949
r_dihedral_angle_4_deg13.356
r_dihedral_angle_3_deg12.403
r_dihedral_angle_1_deg5.976
r_scangle_it3.153
r_scbond_it1.997
r_angle_refined_deg1.325
r_mcangle_it1.106
r_mcbond_it0.6
r_nbtor_refined0.302
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.949
r_dihedral_angle_4_deg13.356
r_dihedral_angle_3_deg12.403
r_dihedral_angle_1_deg5.976
r_scangle_it3.153
r_scbond_it1.997
r_angle_refined_deg1.325
r_mcangle_it1.106
r_mcbond_it0.6
r_nbtor_refined0.302
r_nbd_refined0.205
r_symmetry_hbond_refined0.205
r_symmetry_vdw_refined0.159
r_xyhbond_nbd_refined0.158
r_metal_ion_refined0.143
r_chiral_restr0.092
r_bond_refined_d0.011
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4243
Nucleic Acid Atoms
Solvent Atoms814
Heterogen Atoms74

Software

Software
Software NamePurpose
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
DENZOdata reduction
MOLREPphasing