1IDT

STRUCTURAL STUDIES ON A PRODRUG-ACTIVATING SYSTEM-CB1954 AND FMN-DEPENDENT NITROREDUCTASE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1DS7PDB ENTRY 1DS7

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION4.6277PEG 4000, sodium acetate , pH 4.6, VAPOR DIFFUSION, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.346.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.556α = 90
b = 57.556β = 90
c = 266.129γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray97CCDMARRESEARCH2000-11-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM140.976262ESRFBM14

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
122090.340.06429.7613.143153428476
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)
22.0798.70.201

Refinement

Statistics
Diffraction IDStructure Solution 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 REPLACEMENTPDB ENTRY 1DS7220312453124528140.22940.22940.22480.2685random29.2792
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]
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.09
c_angle_d1.162
c_improper_angle_d1.16
c_bond_d0.006283
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3362
Nucleic Acid Atoms
Solvent Atoms192
Heterogen Atoms98

Software

Software
Software NamePurpose
MAR345data collection
SCALEPACKdata scaling
X-PLORmodel building
CNSrefinement
X-PLORphasing