X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1B3OCORE DOMAIN OF IMPDH MONOMER FROM HUMAN TYPE II/6-CL-IMP COMPLEX STRUCTURE

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8277PROTEIN SOLUTION: 7MGS/ML PROTEIN, 50 MM TRIS HCL (PH 8.0), 50 MM KCL, 2MM EDTA, 1MM DTT, 5MM 6-CL-IMP. WELL SOLUTION: 9% (W/V) PEG-800, 100 MM TRIS HCL (PH 8.0), 1.0 M LICL, 24 MM BETAMERCAPTOETHANOL (2+2 MICROLITER DROPS), pH 8.00, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
359.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 148.108α = 90
b = 148.108β = 90
c = 122.016γ = 90
Symmetry
Space GroupI 4

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDCUSTOM-MADE2000-05-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE A1CHESSA1

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
12.539.7497.70.0930.0936.33444114441128
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.6493.70.3660.3661.92.8

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 REPLACEMENTTHROUGHOUTCORE DOMAIN OF IMPDH MONOMER FROM HUMAN TYPE II/6-CL-IMP COMPLEX STRUCTURE2.539.744441044410448397.40.2380.2380.2380.271RANDOM39.8
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]
-0.22-0.220.44
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.6
c_scangle_it3.17
c_mcangle_it2.55
c_scbond_it2.13
c_angle_deg1.5
c_mcbond_it1.48
c_improper_angle_d0.92
c_bond_d0.007
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.6
c_scangle_it3.17
c_mcangle_it2.55
c_scbond_it2.13
c_angle_deg1.5
c_mcbond_it1.48
c_improper_angle_d0.92
c_bond_d0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5878
Nucleic Acid Atoms
Solvent Atoms294
Heterogen Atoms44

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
CNSrefinement
DPSdata reduction
CCP4data scaling
CNSphasing