Detail of "72093-22-2"

CAS Number:
72093-22-2
Name:
Mast cell degranulatingpeptide (Vespa xanthoptera) (9CI)
Molecular Structure:
Formula:
C₇₃H₁₂₆N₂₀O₁₅S
Molecular Weight:
1555.97
Synonyms:
Mast celldegranulating peptide (Vespula lewisii), 3-L-tryptophan-5-glycine-6-L-isoleucine-9-L-methionine-13-L-leucine-;L-Leucinamide,L-isoleucyl-L-asparaginyl-L-tryptophyl-L-lysylglycyl-L-isoleucyl-L-alanyl-L-alanyl-L-methionyl-L-alanyl-L-lysyl-L-lysyl-L-leucyl-;Mastoparan 12a (Vespa magnifica venom);Mastoparan X;
Density:
1.207 g/cm³
Boiling Point:
1797.4 °C at 760 mmHg
Flash Point:
1040.8 °C
Safety:
22-24/25 Details

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Conformational analysis of a 12-residue analog of mastoparan and of mastoparan X: Conformational analysis of a 12-residue analog of mastoparan and of mastoparan X. Faerman, Carlos H.; Ripoll, Daniel R. (Biotechnol. Res. Inst., Natl. Res. Counc. Canada, Montreal, PQ H4P 2R2, Can.). Proteins: Struct., Funct.Several substances with their cas registry numbers 72093-21-1 and 72093-22-2 may be metioned in this study., Genet., 12(2), 111-16 (English) 1992. CODEN: PSFGEY. ISSN: 0887-3585. DOCUMENT TYPE: Journal CA Section: 4 (Toxicology) The authors investigated the conformational properties of a truncated analog of mastoparan and of mastoparan X, both peptides from wasp venom. The initial conformations used in this study, mainly random ones, led to a-helical conformations. The a-helical conformations thus found exhibit an amphipathic character. These results are in accord with exptl. data from NMR and CD spectroscopy. .

Transferred NOE analyses of conformations of peptides as bound to membrane bilayer of phospholipid; mastoparan-X: Transferred NOE analyses of conformations of peptides as bound to membrane bilayer of phospholipid; mastoparan-X. Wakamatsu, Kaori; Higashijima, Tsutomu; Fujino, Masahiko; Nakajima, Terumi; Miyazawa, Tatsuo (Fac. Sci. 18285-71-7 and 72093-22-2 are also occured in this study., Univ. Tokyo, Tokyo 113, Japan). FEBS Lett., 162(1), 123-6 (English) 1983. CODEN: FEBLAL. ISSN: 0014-5793. DOCUMENT TYPE: Journal CA Section: 4 (Toxicology) The 270-MHz 1H-NMR spectra of mastoparan-X (I) [72093-22-2], a tetradecapeptide toxin from hornet (Vespa xanthoptera) venom, were obsd. in the presence of vesicles of perdeuterated dilauroylphosphatidylcholine ([2H64]DLPC) [18285-71-7]. By the anal. of transferred nuclear Overhauser effects (TRNOE), I mol. as bound to [2H64]DLPC vesicles takes an a-helical form in the C-terminal (and central) part. The TRNOE anal. with perdeuterated phospholipid is a unique method for the elucidation of conformation of peptide (and drug) mols. as bound to phospholipid membranes. .