Membrane cyclophilin isotype B from E.coli bound to a cis-proline isomer and a distorted trans-proline isomer.
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PBOND: Web Server for the Prediction of Proline and Non-Proline cis/trans Isomerization
PBOND is a web server that predicts the conformation of the peptide bond between any two amino acids. PBOND classifies the peptide bonds into one out of four classes, namely cis imide (cis-Pro), cis amide (cis-nonPro), trans imide (trans-Pro) and trans amide (trans-nonPro). Moreover, for every prediction a reliability index is computed. The underlying structure of the server consists of three s...
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26 Gerhart, J. C., and A. B. Pardee, in Synthesis and Structure of Macromolecules, Cold Spring Harbor Symposia on Quantitative Biology, vol. 28 (1963), p. 491. 27 Changeux, J. P., in Subunit Structure of Proteins, Brookhaven Symposia in Biology, no. 17 (1964), p. 232. 28 Antonini, E., J. Wyman, M. Brunori, J. F. Taylor, A. Rossi-Fanelli, and A. Caputo, J. Biol. Chem., 239, 907 (1964). 29 Gibson...
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cis-trans isomerization of proteins phosphorylated by proline-directed kinases is proposed to control numerous signaling molecules and is implicated in the pathogenesis of Alzheimer's and other diseases. However, there is no direct evidence for the existence of cis-trans protein isomers in vivo or for their conformation-specific function or regulation. Here we develop peptide chemistries that a...
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1. trans-4-Hydroxy-r,-proline is epimerized to &+hydroxy-n-proline under the conditions generally used for the hydrolysis of proteins for analyses of amino acids. 2. The cis epimer elutes from a column of UR-30 resin on a Beckman amino acid analyzer at the same time as threonine and hence would be undetected. 3. About 8% of the trans-4-hydroxy-L-proline in collagen can be epimerized to c&4-hydr...
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Conjugated linoleic acid (CLA) is reported to have health benefits, including reduction of body fat. Previous studies have shown that brown adipose tissue (BAT) is particularly sensitive to CLA-supplemented diet feeding. Most of them use mixtures containing several CLA isomers, mainly cis-9, trans-11 and trans-10, cis-12 in equal concentration. Our aim was to characterize the separate effects o...
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ژورنال
عنوان ژورنال: Seibutsu Butsuri
سال: 2001
ISSN: 0582-4052,1347-4219
DOI: 10.2142/biophys.41.s33_3