3PP9

1.6 Angstrom resolution crystal structure of putative streptothricin acetyltransferase from Bacillus anthracis str. Ames in complex with acetyl coenzyme A


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherSAD model of the data set collected on 21-ID-F

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7295Protein: 2.41 mg/mL. Crystallization conditions: PEG8K 20% KdihidrogenPO4 0.05M. Cryoprotectant - Paratone-N , pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.0941.18

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 47.097α = 90
b = 68.009β = 97.61
c = 174.168γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDBe-Lenses/Diamond Laue Mono2010-08-16MSINGLE WAVELENGTH
21x-ray100CCDMARMOSAIC 300 mm CCDMirror2010-08-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-F0.9787APS21-ID-F
2SYNCHROTRONAPS BEAMLINE 21-ID-D1.04APS21-ID-D

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
1,21.63098.50.06520.65.47088370883-321
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)
1.61.63820.4892.964.52912

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUTSAD model of the data set collected on 21-ID-F1.629.286731167311357198.440.19030.188630.22203RANDOM28.639
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]
0.2-1.19-0.19-0.33
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg21.727
r_dihedral_angle_4_deg11.293
r_dihedral_angle_3_deg8.071
r_scangle_it3.69
r_scbond_it2.366
r_dihedral_angle_1_deg2.306
r_angle_refined_deg1.591
r_mcangle_it1.469
r_angle_other_deg0.904
r_mcbond_it0.796
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg21.727
r_dihedral_angle_4_deg11.293
r_dihedral_angle_3_deg8.071
r_scangle_it3.69
r_scbond_it2.366
r_dihedral_angle_1_deg2.306
r_angle_refined_deg1.591
r_mcangle_it1.469
r_angle_other_deg0.904
r_mcbond_it0.796
r_mcbond_other0.202
r_chiral_restr0.103
r_bond_refined_d0.01
r_gen_planes_refined0.006
r_gen_planes_other0.002
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4308
Nucleic Acid Atoms
Solvent Atoms355
Heterogen Atoms180

Software

Software
Software NamePurpose
Blu-Icedata collection
PHENIXmodel building
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing