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Crystal Structure and Conformation of Short Linear Peptides: Part III: Glycyl-L-Leucyl-L-Tyrosine 2.5 Hydrate Dimethylsulfoxide Solvate

โœ Scribed by S. Wu; B. Tinant; J. P. Declercq; M. van Meerssche

Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
253 KB
Volume
96
Category
Article
ISSN
0037-9646

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โœฆ Synopsis

Cl7H2IN$OI(CH3)2SO2 SHzO, M r -474.6, triclinic, P1, a -11.990!4), b -12.380(1;), o -9.342(3)i, a -83.92(5), 6 -79.99(3 124l(l)l( , 2 -2, D, -1.27 gcm-, HoKa, A -0.71069 1: p = 1.38 m-l, F ( 0 0 0 ) -1020, T -291K, R -0.056 for 2854 observed reflections. The title peptide (GLT) adopts an anti-parallel pleated-sheet conformation, very similar to that found in the copper (11) complex of this peptide(1). This confirms that the conformation of this peptide is affected only very slightly by the solvatation. The Leu side-chain of molecule B takfs a conformation characterized by XI --178', X Z ~ -152' and x 2 2 --85 , which is only observed in D-Leu residue.

๐Ÿ“œ SIMILAR VOLUMES

Crystal Structure and Conformation of Sh
Crystal Structure and Conformation of Short Linear Peptides. Part V. N-Benzyloxycarbonyl-Glycyl-Glycyl-L-Proline
โœ S. Wu; B. Tinant; J. P. Declercq; M. van Meerssche ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Wiley (John Wiley & Sons) โš– 205 KB ๐Ÿ‘ 2 views

C ~~H ~I N I O ~, Mr = 363.37, monoclinic, P ~I , a = 17.774(6), b = 10.105(3), o = 4.963(1)A, 6 = 92.30(2)', V = 890.7(5)A , Z = 2, D r = 1.36 g.cm-', MoKa, X = 0.71069 A, ! J = 1.12 cm-', F ( O O 0 ) = 384, 7 = 291K, R = 0.056 for 717 observed reflections. The (0, 9 ) values of (el", 35'), (-174",