l-Isoleucyl-l-serine 0.33-hydrate,l-phenyl­alanyl-l-serine andl-methionyl-l-serine 0.34-hydrate

The structures of the title dipeptides, C9H18N2O4(dot)0.33H2O, C12H16N2O4 and C8H16N2O4S(dot)0.34H2O, complete a series of investigations focused onl-Xaa-l-serine peptides, where Xaa is a hydrophobic residue. All three structures are divided into hydrophilic and hydrophobic layers. The hydrophilic l...

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Published inActa crystallographica. Section C, Crystal structure communications Vol. 62; no. 1; p. o22
Main Authors Bruvoll, Marius, Dizdarevic, Selma, Fimland, Nina, Hafizovic, Jasmina, Görbitz, Carl Henrik, Kalfjøs, Helen Therese, Vestli, Kristian, Krivokapic, Alexander
Format Journal Article
LanguageEnglish
Published Chester Wiley Subscription Services, Inc 01.01.2006
Subjects
Crystal structure
Molecules
Peptides
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Summary:The structures of the title dipeptides, C9H18N2O4(dot)0.33H2O, C12H16N2O4 and C8H16N2O4S(dot)0.34H2O, complete a series of investigations focused onl-Xaa-l-serine peptides, where Xaa is a hydrophobic residue. All three structures are divided into hydrophilic and hydrophobic layers. The hydrophilic layers are thin forl-phenylalanyl-l-serine, rendered possible by an unusual peptide conformation, and thick forl-isoleucyl-l-serine andl-methionyl-l-serine, which include cocrystallized water molecules on the twofold axes.[PUBLICATION ABSTRACT]
ISSN:0108-2701
1600-5759
DOI:10.1107/S0108270105038928