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N-[tert-Butoxy­carbonyl­glycyl-(Z)-α,β-dehydro­phenyl­alanylglycyl-(Z)-α,β-dehydro­phenyl­alan­yl]glycine methyl ester

✍ Scribed by Makowski, Maciej ;Lisowski, Marek ;Mikołajczyk, Iwona ;Lis, Tadeusz


Book ID
104489612
Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
129 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis


values of torsion angles È and É show the presence of two type III 0 -turns, at the Á Z Phe 2 and Gly 3 residues, and Gly 3 and Á Z Phe 4 residues. All amino acids in the peptide are linked trans to each other. Two intramolecular N-HÁ Á ÁO hydrogen bonds, between CO and NH groups, stabilize -turns present in the peptide.


📜 SIMILAR VOLUMES


N-[tert-Butoxy­carbonyl­glycyl-(Z)-α,β-d
✍ Makowski, Maciej ;Lisowski, Marek ;Maciąg, Anna ;Lis, Tadeusz 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 137 KB

Á2H 2 O, adopts the type I -turn conformation for the Á Z Phe 2 -Gly 3 residues. It is stabilized by a 4 ! 1 intramolecular hydrogen bond between the Á E Phe 4 NH and Gly 1 CO groups. All the amino acid residues in the pentapeptide sequence are linked trans to each other. The crystal structure is st