2AEP

An epidemiologically significant epitope of a 1998 influenza virus neuraminidase forms a highly hydrated interface in the NA-antibody complex.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1NN21NN2, 1NCA
experimental modelPDB 1NCA1NN2, 1NCA

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.52M AMMONIUM SULFATE, 100 mM TRIS, pH 7.5
Crystal Properties
Matthews coefficientSolvent content
3.261.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 155.057α = 90
b = 155.057β = 90
c = 102.645γ = 90
Symmetry
Space GroupP 4 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IVOsmic2003-06-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.12099.980.10417.646.2573146
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.12.171000.3212.065.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1NN2, 1NCA2.1201731786945036861000.190.1880.20.2240.2RANDOM32.91
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]
-0.9-0.91.79
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg7.588
r_scangle_it4.642
r_scbond_it2.996
r_angle_refined_deg1.986
r_mcangle_it1.933
r_mcbond_it1.111
r_angle_other_deg0.972
r_symmetry_vdw_other0.294
r_nbd_other0.263
r_nbd_refined0.201
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5125
Nucleic Acid Atoms
Solvent Atoms506
Heterogen Atoms180

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing