Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
18
pubmed:dateCreated
2005-9-5
pubmed:abstractText
The secretion from the dorsal glands of the frog Litoria rothii contains a series of new peptides including rothein 1 (SVSNIPESIGF-OH, a neuropeptide which contracts smooth muscle), a number of inactive rothein 2 and 3 peptides (e.g. rothein 2.1, AGGLDDLLEPVLNSADNLVHGL-OH), and a new proline rich peptide, named rothein 4.1 (AEILFGDVRPPWMPPPIFPEMP-OH), which shows neither antimicrobial nor neuronal nitric oxide synthase (nNOS) activity. Two known neuropeptides of the caerulein family [e.g. caerulein, pEQDY(SO3)TGWMDF-NH2] together with a series of known caerin 1 antibiotic and nNOS-inhibiting peptides (e.g. caerin 1.1, GLLSVLGSVAKHVLPHVVPVIAEHL-NH2) were also identified. Positive ion electrospray mass spectrometry (ES-MS) was used as the primary method to investigate the sequences of the new peptides. Negative ion ES-MS was used to fill in any gaps in the positive ion data and, finally, Edman automated sequencing was used to differentiate between Leu and Ile and to confirm the sequences determined by mass spectrometry.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0951-4198
pubmed:author
pubmed:copyrightInfo
Copyright (c) 2005 John Wiley & Sons, Ltd.
pubmed:issnType
Print
pubmed:volume
19
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2716-24
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2005
pubmed:articleTitle
The rothein peptides from the skin secretion of Roth's tree frog Litoria rothii. Sequence determination using positive and negative ion electrospray mass spectrometry.
pubmed:affiliation
Department of Chemistry, The University of Adelaide, South Australia 5005, Australia.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't