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Antiparallel beta sheet

Fig. 19 Lateral model for assembly of peptide mixtures producing laminated P-sheets. Residues in solid circles are on the upper face, residues in dashed circles are on the lower face of the P-sheeL Reproduced from Takahashi et al. [57] with permission. Copyright Wiley-VCH. Numbers refer to the peptide entries in Fig. 18. Arrows are directions of the (antiparallel) beta sheet strands beginning and end of arrow correspond to N- and C-peptide termini respectively... Fig. 19 Lateral model for assembly of peptide mixtures producing laminated P-sheets. Residues in solid circles are on the upper face, residues in dashed circles are on the lower face of the P-sheeL Reproduced from Takahashi et al. [57] with permission. Copyright Wiley-VCH. Numbers refer to the peptide entries in Fig. 18. Arrows are directions of the (antiparallel) beta sheet strands beginning and end of arrow correspond to N- and C-peptide termini respectively...
Petkova, A. T., Buntkowsky, G., Dyda, F., Leapman, R. D., Yau, W. M., and Tycko, R. (2004). Solid state NMR reveals a pH-dependent antiparallel beta-sheet registry in fibrils formed by a beta-amyloid peptide./. Mol. Biol. 335, 247-260. [Pg.279]

Griffiths-Jones SR, Searle MS. Stmcture, folding, and energetics of cooperative interactions between the beta-strands of a de novo designed three-stranded antiparallel beta-sheet peptide. J Am Chem Soc 2000 122 8350-8356. [Pg.299]

Fig. 3. Architecture of the kelch domain, (a) Stereoview of Domain II with the active site metal ion and protein ligands superimposed on a ribbon diagram of the polypeptide chain, (b) The modular organization of the sevenfold propeller domain is based on four-stranded antiparallel beta sheet subdomains. Fig. 3. Architecture of the kelch domain, (a) Stereoview of Domain II with the active site metal ion and protein ligands superimposed on a ribbon diagram of the polypeptide chain, (b) The modular organization of the sevenfold propeller domain is based on four-stranded antiparallel beta sheet subdomains.
Hendrix, J. C., Halverson, K. J., Jarrett, J. T., and Lansbury, P. T. (1990) A novel solvent system for solid-phase synthesis of protected peptides the disaggregation of resin-bound antiparallel beta-sheet. J. Org. Chem. 55, 4517-4518. [Pg.24]

The crystal structure of the active site of PARP has been described (5).It is made up of a five-stranded antiparallel beta sheet and a four-stranded mixed beta sheet (Fig. 11.2). The two beta sheets are connected by two hydrogen bonds. The beta sheet structure is supported by a surrounding protein structure made up of five alpha helices, three 3iq helices, and beta sheet excursions. The active site is... [Pg.678]

From the Ramachandran plot in Figure 3.35 of the text, we see that P conformation is accommodated by (j) values of approximately -140° and t / values of approximately -1-147°. The structure is most likely a P sheet. In fact, the low numbers here imply that it is an antiparallel beta sheet. The parallel P sheet would have higher numbers, more like (j) = -160° and t / = -f-160°. [Pg.26]

Demirdoven, N., Cheatum, CM., Chung, H.S., Khalil, M., Knoester, J. and Tokmakoff, A. (2004). Two-dimensional infrared spectroscopy of antiparallel beta-sheet secondary structure. Journal of the American Chemical Society, 126(25) 7981. doi 10.1021/ja049811j. PMID 15212548. [Pg.107]

Figure 21 compares the calculated structure of the isolated molecule, validated by cold ion spectroscopy, with that of the condensed-phase structure, solved by X-ray diffraction. The structures are similar, each containing a characteristic antiparallel beta-sheet motif. The near-symmetrical (C2) structure of the isolated. [Pg.80]

Viswanathan R, Asensio A, Dannenberg JJ (2004) Cooperative hydrogen-bonding in models of antiparallel beta-sheets. J Phys Chem A 108(42) 9205-9212. doi 10.1021/jp047404o... [Pg.486]

FIGURE 15 Examples o a + proteins, (a) Ubiquitin, (b) Papain consists of one alpha-helix and four strands of antiparallel beta-sheet, (c) ribonuclease A, and (d) N-terminal domain of E. co//glutamine phosphoribosylpyrophosphate (Prpp) amidotransferase that contains a four structural layers appa. [Pg.173]


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See also in sourсe #XX -- [ Pg.98 ]




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