2FGC

Crystal structure of Acetolactate synthase- small subunit from Thermotoga maritima


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2932% V/V GLYCEROL, 0.4% W/V NDSB201, 0.15M MG FORMATE, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4549.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 104.782α = 90
b = 104.782β = 90
c = 78.511γ = 90
Symmetry
Space GroupI 4 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDSBC-3SI 111 CHANNEL2005-10-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-BM0.9791APS19-BM

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
12.327.2699.50.09735.897.195109510-3
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)
12.32.361000.4584.66.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT2.327.269497949747999.940.176630.1680.23643RANDOM55.906
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]
0.070.07-0.14
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.922
r_dihedral_angle_3_deg19.759
r_dihedral_angle_4_deg18.733
r_scangle_it16.034
r_scbond_it11.365
r_dihedral_angle_1_deg7.051
r_mcangle_it6.186
r_mcbond_it4.247
r_angle_refined_deg1.847
r_symmetry_hbond_refined0.495
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.922
r_dihedral_angle_3_deg19.759
r_dihedral_angle_4_deg18.733
r_scangle_it16.034
r_scbond_it11.365
r_dihedral_angle_1_deg7.051
r_mcangle_it6.186
r_mcbond_it4.247
r_angle_refined_deg1.847
r_symmetry_hbond_refined0.495
r_nbtor_refined0.314
r_symmetry_vdw_refined0.298
r_nbd_refined0.229
r_xyhbond_nbd_refined0.151
r_chiral_restr0.13
r_bond_refined_d0.022
r_gen_planes_refined0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1234
Nucleic Acid Atoms
Solvent Atoms41
Heterogen Atoms1

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
HKL-3000phasing
SHELXDphasing
SHELXEmodel building
MLPHAREphasing
DMphasing
SOLVEphasing
RESOLVEphasing
Omodel building
Cootmodel building
CCP4phasing