Acta Cryst. (2014). C70, 326-331 [ doi:10.1107/S2053229614002563 ]
Synopsis: The zwitterion of L-phenylalanine was characterized using synchrotron X-rays. It crystallized in the monoclinic space group P21 with four molecules in the asymmetric unit. The 0.62 Å resolution structure was obtained in the same configuration as that assumed to be adopted in the self-assembly of nanotubes.
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