2XFK

Human BACE-1 in complex with N-((1S,2R)-3-(((1S)-2-(cyclohexylamino)- 1-methyl-2-oxoethyl)amino)-2-hydroxy-1-(phenylmethyl)propyl)-3-(ethylamino)-5-((methylsulfonyl)(phenyl)amino)benzamide


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details CRYSTALS GROWN BY VAPOUR DIFFUSION AT 20C USING STREAK SEEDING, WITH 10% PEG8000 AND 0.1M GLYCINE PH 3.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.86 α = 90
b = 76.85 β = 90
c = 104.47 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2002-07-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.8 25 99.6 0.06 -- -- 4.6 -- 36639 -- 0.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.8 1.83 94.8 0.24 -- 4.8 -- --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
OTHER 1.8 61.9 -- -- -- 35116 1465 99.59 -- 0.16456 0.16329 0.19515 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.796 1.843 -- 107 2498 0.189 0.247 -- 97.06
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.947
Anisotropic B[1][1] 1.87
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.54
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2928
Nucleic Acid Atoms 0
Heterogen Atoms 46
Solvent Atoms 361

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5
DENZO data reduction
SCALEPACK data scaling