2000
DOI: 10.1016/s0040-4039(99)02084-5
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Mahafacyclin A, a cyclic heptapeptide from Jatropha mahafalensis exhibiting β-bulge conformation

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Cited by 47 publications
(43 citation statements)
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“…Presently lot of research activities have shown that the cyclopeptides isolated from latex, seeds and roots of many plants possess various biological activities such as cyclooxygenase, acetyl choline esterase and tyrosinase inhibition (Yahara et al 1989 ;Morita et al 1994 ) , immunosuppression (Morita et al 1997 ) , antimalaria (Baraguey et al 2000 ) , vasorelaxation (Morita et al 2005 ) and cytotoxicity (Mongkolvisut et al 2006 ) . Jatropha species have been shown to be a rich source of bioactive cyclic peptides, which contain 7-10 residues with a high proportion of hydrophobic amino acids.…”
Section: Pharmaceutical Importancementioning
confidence: 99%
“…Presently lot of research activities have shown that the cyclopeptides isolated from latex, seeds and roots of many plants possess various biological activities such as cyclooxygenase, acetyl choline esterase and tyrosinase inhibition (Yahara et al 1989 ;Morita et al 1994 ) , immunosuppression (Morita et al 1997 ) , antimalaria (Baraguey et al 2000 ) , vasorelaxation (Morita et al 2005 ) and cytotoxicity (Mongkolvisut et al 2006 ) . Jatropha species have been shown to be a rich source of bioactive cyclic peptides, which contain 7-10 residues with a high proportion of hydrophobic amino acids.…”
Section: Pharmaceutical Importancementioning
confidence: 99%
“…41 Mas a estabilização do anel cíclico pode ser observada mesmo quando o resíduo de prolina está ausente, como no caso da mahafaciclina A, o primeiro euciclopeptídeo que exibe um bulge-β sem a prolina. 42 Nesse caso, a ligação de hidrogênio intramolecular ocorre entre a Val 6 -NH e Ile 3 -CO e entre a Phe 7 -NH e Ile 3 -CO.…”
Section: Potencial Biológico De Euciclopeptídeos: Peptídeos Constituíunclassified
“…They have the property of greater resistance to in vivo enzymatic degradation and have greater bioavailability than non-cyclic congeners. Cyclopeptides especially those isolated from seeds, roots and latex of higher plants, are widely distributed in nature and are well known to exhibit broad spectrum of pharmacological activities such as immunosuppressive activity (Morita et al, 1999;Matsumoto et al, 2001), anticancer activity (Takeya et al, 1993;Wele et al, 2005;Mongkolvisut et al, 2006), antimalarial activity (Baraguey et al, 2000;Picur et al, 2006), vasorelaxant activity (Morita et al, 2006), estrogen-like activity (Itokawa et al, 1995) and *Corresponding author. E-mail: drrajivdahiya@rediffmail.com.…”
Section: Introductionmentioning
confidence: 99%