2DQ6

Crystal Structure of Aminopeptidase N from Escherichia coli


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.42971.75M ammonium sulfate, 0.1M MES pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Crystal Properties
Matthews coefficientSolvent content
3.6165.95

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 120.48α = 90
b = 120.48β = 90
c = 170.791γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11100CCDADSC QUANTUM 2102006-01-01
21x-ray100IMAGE PLATERIGAKU RAXIS IVconfocal mirror2005-01-22MSINGLE WAVELENGTH
31x-ray100IMAGE PLATERIGAKU RAXIS IVconfocal mirror2005-01-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE AR-NW12A1.000Photon FactoryAR-NW12A
2ROTATING ANODERIGAKU1.5418
3ROTATING ANODERIGAKU1.5418

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
2,31.5501000.04655.29.5228266228266
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)
1.51.551000.2994.56.122644

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMIRTHROUGHOUT1.520228084228084114300.1810.191random17.5
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
c_dihedral_angle_d22.6
c_angle_deg1.29
c_improper_angle_d0.789
c_bond_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6933
Nucleic Acid Atoms
Solvent Atoms1127
Heterogen Atoms6

Software

Software
Software NamePurpose
ADSCdata collection
HKL-2000data reduction
SOLVEphasing
CNSrefinement
HKL-2000data scaling