4BT5

acetolactate decarboxylase with a bound (2S,3R)-2,3-Dihydroxy-2- methylbutanoic acid


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4BT2PDB ENTRY 4BT2

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.50.2 M TRIMETHYLAMINE N-OXIDE (TMAO), 0.1 M TRIS PH 8.5, 28-33 PEG 2K MME
Crystal Properties
Matthews coefficientSolvent content
2.244

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 47.13α = 90
b = 47.13β = 90
c = 198.63γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCDMIRRORS2011-09-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I04DiamondI04

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
11.13599.30.1116.8104653-35.2
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)
11.11.1695.10.825.1

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 4BT21.134.74100480417399.230.177230.176960.18377RANDOM12.511
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]
-0.41-0.2-0.410.61
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.401
r_dihedral_angle_4_deg15.26
r_dihedral_angle_3_deg11.288
r_dihedral_angle_1_deg6.572
r_scangle_it4.179
r_scbond_it2.595
r_angle_refined_deg1.624
r_mcangle_it1.53
r_mcbond_it0.775
r_chiral_restr0.113
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.401
r_dihedral_angle_4_deg15.26
r_dihedral_angle_3_deg11.288
r_dihedral_angle_1_deg6.572
r_scangle_it4.179
r_scbond_it2.595
r_angle_refined_deg1.624
r_mcangle_it1.53
r_mcbond_it0.775
r_chiral_restr0.113
r_bond_refined_d0.016
r_gen_planes_refined0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1879
Nucleic Acid Atoms
Solvent Atoms411
Heterogen Atoms10

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XDSdata scaling