2Q1X

Crystal Structure of cell division protein FtsZ from Mycobacterium tuberculosis in complex with citrate.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1FSZPDB entry 1FSZ

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.62930.1M sodium citrate pH 5.6, 30% PEG 4000, 0.3M ammonium acetate, 40% acetonitrile, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.5852.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 88.73α = 90
b = 88.73β = 90
c = 176.482γ = 120
Symmetry
Space GroupP 65

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42004-02-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X26C1.1NSLSX26C

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
12.35401000.18.19.5326812
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)
12.352.431000.5544.79.53250

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 1FSZ2.354032672164699.990.180.1780.215RANDOM34.195
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]
-0.19-0.09-0.190.28
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.062
r_dihedral_angle_4_deg18.986
r_dihedral_angle_3_deg13.187
r_dihedral_angle_1_deg4.8
r_scangle_it1.962
r_mcangle_it1.816
r_mcbond_it1.543
r_scbond_it1.21
r_angle_refined_deg1.16
r_angle_other_deg0.746
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.062
r_dihedral_angle_4_deg18.986
r_dihedral_angle_3_deg13.187
r_dihedral_angle_1_deg4.8
r_scangle_it1.962
r_mcangle_it1.816
r_mcbond_it1.543
r_scbond_it1.21
r_angle_refined_deg1.16
r_angle_other_deg0.746
r_symmetry_hbond_refined0.226
r_mcbond_other0.196
r_nbd_refined0.195
r_nbd_other0.169
r_nbtor_refined0.158
r_symmetry_vdw_other0.154
r_xyhbond_nbd_refined0.136
r_symmetry_vdw_refined0.133
r_nbtor_other0.082
r_chiral_restr0.071
r_bond_refined_d0.014
r_gen_planes_refined0.003
r_bond_other_d0.002
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4178
Nucleic Acid Atoms
Solvent Atoms123
Heterogen Atoms13

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction