3HN7

Crystal structure of a murein peptide ligase mpl (psyc_0032) from psychrobacter arcticus 273-4 at 1.65 A resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.52770.2000M NaOAc, 30.0000% PEG-4000, 0.1M TRIS pH 8.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.1342.36

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 105.452α = 90
b = 52.755β = 98.47
c = 89.986γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCDFlat collimating mirror, toroid focusing mirror2009-03-18MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.91162,0.97932,0.97920SSRLBL9-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.6529.0251000.0760.0767.4793.35902617.41
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.651.691000.5120.5121.53.34316

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMADTHROUGHOUT1.6529.02559024298599.940.1560.1540.187RANDOM16.063
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]
-0.42-0.530.98-0.72
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.969
r_dihedral_angle_4_deg17.761
r_dihedral_angle_3_deg11.151
r_scangle_it6.005
r_dihedral_angle_1_deg5.083
r_scbond_it4.259
r_mcangle_it2.841
r_mcbond_it1.838
r_angle_refined_deg1.594
r_angle_other_deg0.973
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.969
r_dihedral_angle_4_deg17.761
r_dihedral_angle_3_deg11.151
r_scangle_it6.005
r_dihedral_angle_1_deg5.083
r_scbond_it4.259
r_mcangle_it2.841
r_mcbond_it1.838
r_angle_refined_deg1.594
r_angle_other_deg0.973
r_mcbond_other0.541
r_chiral_restr0.107
r_bond_refined_d0.018
r_gen_planes_refined0.007
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3619
Nucleic Acid Atoms
Solvent Atoms588
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
PHENIXrefinement
SHELXphasing
MolProbitymodel building
SCALAdata scaling
PDB_EXTRACTdata extraction
MOSFLMdata reduction
SHELXDphasing
autoSHARPphasing