Figure 7.
Supramolecular β-sheet-like layered secondary structure of (a) l-Asp, (b) l-Asn, (c) l-His (monoclinic), and (d) l-His (orthorhombic) near the ac-plane, (e) l-Ser in the ab-plane, and (f) l-Tyr in the bc-plane.
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