4P6Y

Crystal structure of the M42 aminopeptidase TmPep1050 from Thermotoga maritima


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.75292TmPep1050 (390 uM) in 50 mM MOPS pH 7.2 with 0.5 M ammonium sulfate and 1 mM cobalt chloride, was mixed 2:2 with well buffer (2.1M malic acid pH 6.75) with 500 uL well buffer in the well of the crystallization tray
Crystal Properties
Matthews coefficientSolvent content
2.9858.75

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 114.26α = 114.46
b = 114.57β = 91.71
c = 114.04γ = 105.69
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2013-04-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM30A0.9797ESRFBM30A

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
12.244.0593.540.089258.563.2237152-332.64
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)
12.22.2884.760.3922.222.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1YLO2.244.0451.962370901185493.520.21360.21180.2474Random selection37
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.406
f_angle_d1.254
f_chiral_restr0.054
f_bond_d0.009
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms29969
Nucleic Acid Atoms
Solvent Atoms2223
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement