N-(tert-But­oxy­carbon­yl)-L-valyl-L-valine methyl ester: a twisted parallel β-sheet in the crystal structure of a protected dipeptide

Jacobsen, Ø.; Gebreslasie, H.G.; Klaveness, J.; Rongved, P.; Görbitz, C.H.

doi:10.1107/S0108270111022293

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
(a) A straight parallel β-sheet (CSD refcode CEPQOE; Gerhardt & Weck, 2006

). Side chains are not shown. Hydrogen bonds with N—H and C—H donors are shown as dashed lines. (b) A twisted parallel β-sheet with eight peptide molecules for one complete turn (PIYSAS; Oku et al., 2008

). (c) The twisted parallel β-sheet of (I)

with six peptide molecules for one complete turn. (d) A twisted parallel β-sheet with four peptide molecules for one complete turn (FABLUP10; Varughese et al., 1986

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 67| Part 8| July 2011| Pages o278-o282

doi:10.1107/S0108270111022293

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