Acta Cryst. (2002). C58, o533-o536 [ doi:10.1107/S0108270102011691 ]
Abstract: The crystal structure of N-(L-2-aminobutyryl)-L-alanine, C7H14N2O3, is closely related to the structure of L-alanyl-L-alanine, both being tetragonal, while the retro-analogue 2-(L-alanylamino)-L-butyric acid 0.33-hydrate, C7H14N2O3·0.33H2O, forms a new type of molecular columnar structure with three peptide molecules in the asymmetric unit.
Formula: C7H14N2O3 and C7H14N2O3·0.33H2O
Structure factor file (CIF format) (51.1 kbytes)
Structure factor file (CIF format) (518.6 kbytes)
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