1XFO

Crystal Structure of an archaeal aminopeptidase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6293PEG 400, sodium chloride, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.651.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 158.34α = 90
b = 158.34β = 90
c = 114.46γ = 120
Symmetry
Space GroupP 63

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHmirrors2004-04-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-20.933ESRFID14-2

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
11.95401000.03724.34.1110425110425-3
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)
11.952.0763.50.1935.2

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1VHE1.9629.9211040210797524271000.183410.183410.182820.2093RANDOM37.662
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]
0.490.250.49-0.74
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.093
r_dihedral_angle_4_deg15.298
r_dihedral_angle_3_deg14.228
r_dihedral_angle_1_deg6.36
r_angle_refined_deg1.316
r_scangle_it0.966
r_scbond_it0.568
r_mcangle_it0.552
r_mcbond_it0.367
r_nbtor_refined0.303
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.093
r_dihedral_angle_4_deg15.298
r_dihedral_angle_3_deg14.228
r_dihedral_angle_1_deg6.36
r_angle_refined_deg1.316
r_scangle_it0.966
r_scbond_it0.568
r_mcangle_it0.552
r_mcbond_it0.367
r_nbtor_refined0.303
r_symmetry_vdw_refined0.205
r_nbd_refined0.195
r_symmetry_hbond_refined0.17
r_xyhbond_nbd_refined0.12
r_chiral_restr0.084
r_metal_ion_refined0.027
r_bond_refined_d0.009
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10514
Nucleic Acid Atoms
Solvent Atoms645
Heterogen Atoms8

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
XDSdata scaling
MOLREPphasing