1GR0

myo-inositol 1-phosphate synthase from Mycobacterium tuberculosis in complex with NAD and zinc.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherPARTIALLY REFINED MODEL OBTAINED FROM MAD PHASES

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17OPTIMAL CRYSTALLISATION CONDITIONS: PEG 4000 (6.2-6.7% W/V), SODIUM CACODYLATE (50MM, PH7.0), CALCIUM ACETATE (100MM)., pH 7.00
Crystal Properties
Matthews coefficientSolvent content
2.856

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 116.195α = 90
b = 116.195β = 90
c = 64.544γ = 90
Symmetry
Space GroupP 4 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCDMIRRORS2000-09-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-4ESRFID14-4

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
11.9524.79900.0717.72.72948616.1
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)
11.951.98870.3382.82.6

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 REPLACEMENTTHROUGHOUTPARTIALLY REFINED MODEL OBTAINED FROM MAD PHASES1.9524.7928153138985.80.2110.2110.239RANDOM30.3
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]
-8-816.01
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.4
c_scangle_it2.87
c_scbond_it2.01
c_mcangle_it1.72
c_angle_deg1.5
c_mcbond_it1.18
c_improper_angle_d1.09
c_bond_d0.006
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.4
c_scangle_it2.87
c_scbond_it2.01
c_mcangle_it1.72
c_angle_deg1.5
c_mcbond_it1.18
c_improper_angle_d1.09
c_bond_d0.006
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 Atoms2506
Nucleic Acid Atoms
Solvent Atoms170
Heterogen Atoms50

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing