1YL5

Crystal structure of Mycobacterium tuberculosis dihydrodipicolinate reductase (RV2773C) (crystal form A)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5292100 mM Tris/HCl, 20 % PEG 3350, 120 mM MgCl2 , pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties
Matthews coefficientSolvent content
2.754.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 59.26α = 90
b = 122β = 90
c = 77.93γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2004-05-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONELETTRA BEAMLINE 5.2R1.10ELETTRA5.2R

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
12.39999.60.08517.163.12575725757-3-342.4
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)
12.32.3499.10.7331.751256

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 REPLACEMENTTHROUGHOUTPDB ENTRY 1P9L2.3302464824648105699.650.206970.206970.205140.24924RANDOM54.607
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]
3.79-3.04-0.75
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.483
r_dihedral_angle_4_deg22.779
r_dihedral_angle_3_deg16.758
r_scangle_it6.212
r_dihedral_angle_1_deg5.941
r_scbond_it3.924
r_mcangle_it1.547
r_angle_refined_deg1.529
r_mcbond_it0.854
r_nbtor_refined0.312
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.483
r_dihedral_angle_4_deg22.779
r_dihedral_angle_3_deg16.758
r_scangle_it6.212
r_dihedral_angle_1_deg5.941
r_scbond_it3.924
r_mcangle_it1.547
r_angle_refined_deg1.529
r_mcbond_it0.854
r_nbtor_refined0.312
r_symmetry_vdw_refined0.231
r_nbd_refined0.224
r_symmetry_hbond_refined0.178
r_xyhbond_nbd_refined0.149
r_chiral_restr0.092
r_bond_refined_d0.013
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3648
Nucleic Acid Atoms
Solvent Atoms49
Heterogen Atoms2

Software

Software
Software NamePurpose
REFMACrefinement
MAR345data collection
SCALEPACKdata scaling
MOLREPphasing