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Acta Cryst. (2013). C69, 888-891  [ doi:10.1107/S0108270113017484 ]

An unexpected tetra­gonal unit cell for N-(L-2-amino­butyr­yl)-L-serine

C. H. Görbitz and V. N. Yadav

Synopsis: The title dipeptide, incorporating the nonproteinogenic amino acid residue L-2-aminobutyric acid, forms an extensively disordered, compact crystal packing arrangement in the tetragonal space group I4.

Formula: C7H14N2O4

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