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. 2016 Mar 14;2(5):313–321. doi: 10.1021/acsinfecdis.6b00026

Figure 1.

Figure 1

Fab PL-2 structure and amino acid sequence interpretation by X-ray crystallography: (a) Fab PL-2 crystal structure light chain (red) and heavy chain (blue) with the glycan highlighted in gray; (b, c) ambiguous electron density where the amino acid could be interpreted as threonine or valine; (d) lysine fitted in ambiguous electron density before mass spectrometry; (e) fitting of N-acetyl-d-glucosamine (GlcNAc) into electron density from (d) after mass spectrometry. The Fab PL-2 structural model and structure factors have been deposited into the online Protein Data Bank (PDB; www.pdb.org) as PDB entry 5I30.