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Acta Cryst. (2014). C70, 326-331  [ doi:10.1107/S2053229614002563 ]

The self-assembling zwitterionic form of L-phenyl­alanine at neutral pH

E. Mossou, S. C. M. Teixeira, E. P. Mitchell, S. A. Mason, L. Adler-Abramovich, E. Gazit and V. T. Forsyth

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.

Formula: C9H11NO2

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